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Magnavox 321D Flat Panel Television User Manual

1. http www meade com manuals x200 h html 2 of 3 7 29 2002 7 28 07 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Authorized Dealers Meade 8 AND 10 LX200 Schmidt Cassegrain Telescopes Meade 7 LX50 and LX200 Maksutov Cassegrains Meade 12 LX200 Schmidt Cassegrain Accessories for Meade LX Series Catadioptric Telescopes Index of Instruction Manuals General Catalog Index Meade Product Repair and Warranty Information home about meade product information dealer referral gallery customer support investor relations dealer support employment opportunities site map The name Meade and the Meade logo are trademarks registered with the United States Patent Office and in principal countries throughout the world Copyright 2002 Meade Instruments Corporation All Rights Reserved This material may not be reproduced in any form without permission http www meade com manuals x200 h html 3 of 3 7 29 2002 7 28 07 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Meade Instruments Corporation Telescopes Binoculars Microscopes Meade LX200 Instruction Manuals 7 Maksutov Cassegrain Telescope 8 10 and 12 Schmidt Cassegrain Telescopes APPENDIX A EQUATORIAL WEDGE There are two equatorial wedges used on Meade LX200 telescopes IMPORTANT NOTICE Never Please read the section below that applies to your telescope use a telescope or
2. http www meade com manuals Ix200 apxd html 5 of 6 7 29 2002 7 28 22 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Accessories for Meade LX Series Catadioptric Telescopes Index of Instruction Manuals General Catalog Index Meade Product Repair and Warranty Information home about meade product information dealer referral gallery customer support investor relations dealer support employment opportunities site map The name Meade and the Meade logo are trademarks registered with the United States Patent Office and in principal countries throughout the world Copyright 2002 Meade Instruments Corporation All Rights Reserved This material may not be reproduced in any form without permission http www meade com manuals x200 apxd html 6 of 6 7 29 2002 7 28 22 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Meade Instruments Corporation Telescopes Binoculars Microscopes Meade LX200 Instruction Manuals 7 Maksutov Cassegrain Telescope 8 10 and 12 Schmidt Cassegrain Telescopes APPENDIX E MAINTAINING YOUR LX200 toc 1 Keeping Your Telescope Clean IMPORTANT NOTICE Never Prevention is the best recommendation that a telescope owner can kin use a telescope or spotting fiw scope to look at the Sun follow in keeping astronomical equipment in top working order Observing the Suh even tor Proper measures taken during obse
3. Object is also listed in the Tition Sky Atlas 2000 The STAR Catalog contains the 250 brightest stars STAR 1 through STAR 250 100 interesting double stars STAR 251 through STAR 350 plus Sigma Octantis the southern pole star STAR 351 http www meade com manuals Ix200 apxd html 3 of 6 7 29 2002 7 28 22 AM Meade Instruments Corporation Meade LX200 Instruction Manuals toc 4 Select Star by Name When selecting a star from the object library any of the 33 stars listed in the LX200 Instruction Manual can now by accessed by its name 1 Press the STAR key The Keypad display will show STAR object on the first line and a blinking cursor on the second line 2 To enter a Star by number simply type in the star number and press ENTER as described in the LX200 Instruction Manual To enter a Star by name press the ENTER key The Keypad display will show a new menu 3 Select the NAME menu option by pressing the ENTER key 4 Scroll through the list of Star names using the PREV and NEXT keys until the desired Star name is selected 5 Press ENTER to select this Star toc 5 The M Catalog The M Catalog has been the benchmark deep sky catalog for years Recently expanded to 110 objects the M Messier catalog contains most of the best deep sky objects toc 6 The Planets The LX200 calculates the orbital positions of the eight major planets for the current calendar date To access a planet use the STAR key and e
4. Accessories are available both to increase and decrease the operating eyepiece power of the telescope See your Meade dealer and the latest Meade Telescope Systems and Accessories Catalog for information on accessories toc 2 Apparent Field and Actual Field Two terms that are often confused and misunderstood are Apparent Field and Actual Field Apparent Field is a function of the eyepiece design and is built into the eyepiece While not totally accurate but a very good approximation Apparent Field is usually thought of as the angle your eye sees when looking through an eyepiece Actual Field is the amount of the sky that you actually see and is a function of the eyepiece being used and the telescope The Actual Field of a telescope with a given eyepiece is calculated by dividing the Apparent Field of the eyepiece by the power obtained using that eyepiece The following table lists the most common optional eyepieces available and the Apparent Field for each eyepiece The power and Actual Field of view that each eyepiece yields is listed for each basic telescope optical design 7 f 15 8 f 6 3 10 6 3 8 f l 0 10 f 10 12 f 10 Eyepiece Apparent Field Power Power Power Power Power Power Actual Fiield Actual Field Actual Field Actual Field Actual Field Actual Field Super Plossl Eyepieces 5 elements 1 1 4 O D except as noted 6 4mm 52 417 0 12 200 0 26 250 0 21 313 0 17 391 0 13 476 0 11 9 7mn 52
5. General Catalog Index Meade Product Repair and Warranty Information home about meade product information dealer referral gallery customer support investor relations dealer support employment opportunities site map The name Meade and the Meade logo are trademarks registered with the United States Patent Office and in principal countries throughout the world Copyright 2002 Meade Instruments Corporation All Rights Reserved This material may not be reproduced in any form without permission http www meade com manuals x200 apxb html 6 of 6 7 29 2002 7 28 16 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Meade Instruments Corporation Telescopes Binoculars Microscopes Meade LX200 Instruction Manuals 7 Maksutov Cassegrain Telescope 8 10 and 12 Schmidt Cassegrain Telescopes APPENDIX C LX200 ALIGNMENT STAR LIBRARY AND STAR CHARTS IMPORTANT NOTICE Never use a telescope or spotting toc 1 Alignment Stars scope to look at the Sun URE TNG nane oun evemrer The LX200 utilizes 33 bright and well known stars to calibrate the the shortest fraction of a second will cause irreversible damage telescope s Object Library in the ALTAZ and POLAR alignments to your eye as well as physical damage These stars were selected to allow observers from anywhere in the to the telescope or spotting scope itself world
6. 1 If the tripod does not seem to extend or collapse easily do not force the tripod legs in or out By following the instructions above the tripod will function properly but if you are unclear on the proper procedure forcing the tripod into an incorrect position may damage the extension strut system 2 Do not overtighten the 6 lock knobs used to fix the inner tripod leg sections at various heights Firm feel tightening is sufficient 3 Be sure the spreader bar 4 Fig 1 is not upside down on the threaded rod http www meade com manuals x200 c html 2 of 7 7 29 2002 7 27 50 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Ee C Clip 1 Tripod Head 5 Lock Knobs 2 Threaded Rod 6 Extension Strui 3 Tansion Knob 7 Tansion Hub 4 Spreader Bar Fig 1 Fleld Tripod Fig Field Tripod collapsed http www meade com manuals x200 c html 3 of 7 7 29 2002 7 27 50 AM Meade Instruments Corporation Meade LX200 Instruction Manuals i Viewinder Dow Shield j Viewlindar Cofimation Screws 3 Decimation Setting Circle 4 Declination Pointer 5 Focuser Knob 6 Eyepiece Holder 7 R A Leck 6 RA Slow Motion Control Knob 9 ALA Vernier Pointer 11 12 13 14 15 16 1 18 AA Setting Circle Power Panel Keypad Hand Gonirothar Diagonal Prism Eyepiece Bubble Level Hour Angle HA Pointer Driva Basa Viewfinder Focus Lock Ring Fig 3 8
7. 6 RA Slow Motion Control Knob 17 Drive Base 9 RA Vernier Pointer 18 Viewfinder Focus Lock Fling Fig 3 8 LX200 Telescope http www meade com manuals Ix200 g html 4 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals toc b POLAR POLAR allows you to use the LX200 mounted on its optional Equatorial Wedge see Appendix A for long exposure astrophotography as well as visual work With the LX200 powered up the POLAR file option selected the Field Tripod leveled the telescope should be adjusted so that the Declination Setting Circle 3 Fig 3 is set to 90 degrees see Fig 4 and to the 00 hour angle HA in Right Ascension in this position the Viewfinder Fig 3 is up side down the R A Pointer 9 Fig 3 the 00 line of the R A Setting Circle 10 Fig 3 and the Hour Angle Pointer 16 Fig 3 match up you are ready to start If you do not start at the 00 H A position the telescope it will point to the ground instead of the sky when the Keypad display chooses its second star Press the ENTER key and the LX200 will determine and slew to the precise off set of the pole star in Declination and Right Ascension At this point you need only aim the instrument at the pole star see Appendix B section 3 Precise Polar Alignment if the pole star is not visible and center it in the eyepiece field using only the Altitude and Azimuth adjustments on the Equatorial Wedge
8. Meade LX200 Instruction Manual 7 Maksutov Cassegrain and 8 10 and 12 Schmidt Cassegrain Telescopes C TELESCOPE ASSEMBLY Use the following steps to assemble your telescope Note Section IMPORTANT NOTICE Never headings list which LX200 model 7 8 10 or 12 is covered under use a telescope or spotting that heading scope to look at the Sun Observing the Sun even for WARN ING the shortest fraction of a toc 1 The Field Tripod 7 8 10 and 12 LX200 Models second will cause irreversible damage to your eye as well as physical damage to the telescope or spotting scope itself The Field Tripods Figs 1 and 2 for Meade 8 10 and 12 LX200 telescopes are supplied as completely assembled units except for the spreader bar 4 Fig 1 and the 6 lock knobs 2 knobs for each of the 3 tripod legs used to adjust the height of the tripod These knobs are packed separately for safety in shipment For visual i e non photographic observations the drive base 17 Fig 3 of the telescope s fork mount is attached directly to the field tripod The telescope in this way is mounted in an Altazimuth Altitude Azimuth or vertical horizontal format The telescope in this configuration moves along vertical and horizontal axes corresponding respectively to the Declination and Right Ascension axes explained later in this manual in an astronomical observing mode Alternately the field tripod can be used in conjunct
9. Table 5 Object Sysmbol Legend OBJECT SYMBOL LEGEND DESCRIPTION Galaxies Planetary Nebula Diffuse Nebulae l Globular Star Clusters Oben Clusters http www meade com manuals Ix200 g html 11 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Initially the blinking cursor appears over the G symbol If you decide not to look for galaxies press the NEXT key and the symbol will change from an upper case letter G to a lower case letter g to deselect the GALAXIES category If you wish to leave GALAXIES selected then move the blinking cursor over to one of the other category symbols by pressing the W or E key on the Keypad You can then deselect the undesired categories If you wish to recall a category symbol move the blinking cursor over the symbol and press the PREV key After your selections are made press ENTER toc b BETTER The BETTER menu file option allows you to define the visual object quality range At power up the range is set at the bottom of the scale on VP when using the START FIND menu selection it will select all objects that are very poor through super or what could be considered an ALL setting The object quality symbols are Table 6 Quality Symbol Legend QUALITY SYMBOL LEGEND SYMBOL DESCRIPTION Super Excellent Very Good Good Fair Poor Very Poor If you wish to define the visual o
10. The name Meade and the Meade logo are trademarks registered with the United States Patent Office and in principal countries throughout the world Copyright 2002 Meade Instruments Corporation All Rights Reserved This material may not be reproduced in any form without permission http www meade com manuals x200 apxe html 7 of 7 7 29 2002 7 28 27 AM
11. and W keys The chosen rate is indicated by the speed indicator illuminated LED beside the rate key that you have pressed The speed rates are SLEW for the 7 8 and 10 telescopes it is 8 degrees per second for the 12 telescope it is 6 per second FIND 2 degrees per second CNTR 32X sidereal rate and GUIDE 2X sidereal rate NOTE All of the slew speeds will drive the LX200 in all four directions except for GUIDE The 2X sidereal speed in GUIDE has one difference in that it will not interrupt the Right Ascension tracking direction to make Easterly for Northern hemisphere or Westerly for Southern hemisphere adjustments it will merely slow down the tracking drive to one half its normal speed You will find however that the slower drive will move the image opposite of the tracking direction without disturbing the smooth drive action This performance is absolutely essential when making astrophotographs Also note that on DC power sources the top speed of 8 degrees per second 7 8 and 10 telescopes and 6 degrees per second 12 telescopes is slightly slower Guiding and tracking rate speeds are however unaffected SLEW FIND CENTER and GUIDE keys also have numbers listed 7 4 1 and 0 respectively When editing a value the multiple function of each of these keys is realized SLEW and FIND are also used to set http www meade com manuals Ix200 e html 2 of 4 7 29 2002 7 27 56 AM Meade Instruments Corporation M
12. good collimation As a final check on alignment examine the star image in focus with the higher power eyepiece as suggested above under good seeing conditions e g steady atmospheric conditions The star point should appear as a small central dot the so called Airy disc with a diffraction ring surrounding it To give a final precision collimation make extremely slight adjustments of the 3 set screws if necessary to center the Airy disc in the diffraction ring You now have the best alignment of the optics possible with this final step http www meade com manuals x200 apxe html 5 of 7 7 29 2002 7 28 27 AM Meade Instruments Corporation Meade LX200 Instruction Manuals toc 3 Adjusting the Right Ascension Lock After a period of time it is possible that the R A lock 7 Fig 3 of the LX200 will not tighten sufficiently due to internal wear of the clutch mechanism In such an event remove the R A lock lever using one of the hex wrenches supplied with the telescope Then with a pair of pliers tighten the shaft protruding outward from the drive base until you cannot easily rotate the fork arm in R A Take care in this operation not to damage the cosmetic finish of your LX200 Replace the R A lock lever so that its handle points straight out from the cross bar connecting the fork arm toc 4 Behind the Power Panel The LX200 Power Panel houses the back up replaceable battery 2 Fig 28 for the clock and calendar an
13. see Appendix A Once done you again press the ENTER key E and the LX200 will choose and slew to a very bright star that is eee i 2 Decinaten Lock Kineb overhead and can usually be seen in the field of view of the 3 Declination Wom Gear Cover viewfinder At this point center the bright star using only the Right Ascension and Declination adjustments of the telescope either manually by loosening the locks only or electrically then press ENTER You can now access every every function of the LX200 including the Smart Drive toc c Refined Polar Alignment Astrophotographers routinely require polar alignments of the highest accuracy for the finest guiding characteristics Your initial polar alignment can be refined by using the LX200 s electronics by using a slightly different method in POLAR menu option The routine outlined below should be performed in two or three 15 minute intervals At each interval the telescope will slew to the area where the pole star should be centered in the optics You may find that the pole star is somewhat off center in the eyepiece showing the alignment error that may have been made during your initial setup Re center the pole star during each interval exercise using the Equatorial Wedge adjustments only see Appendix A in Altitude and Azimuth then follow the rest of the routine Return to the POLAR menu option in the TELESCOPE mode and press the ENTER key Ignore the Keypad display instructions to return the te
14. toc a TIMER Menu Option The TIMER menu option is for accurately timing different observing or imaging tasks for up to twelve hours long Counting down to zero in the hours minutes and seconds format it will give a pleasant beeping tone to notify you that the time is up To set the TIMER move the LCD arrow to TIMER 00 00 00 Then press and hold the ENTER key to get the double beep tone and the blinking cursor Enter the number of hours minutes and seconds that you require If you need to correct an error in entry use the E and W keys to move the blinking cursor and then type in the correct information After entry press the ENTER key again and the cursor will eliminate When you are ready to start your time count down press the ENTER key once more To pause the count down press ENTER again and then again to resume If you merely want an automatic 12 hour count down just press the ENTER key without holding Then press ENTER to count down toc b FREQ Menu File FREQ Frequency allows you to adjust the tracking speeds not slew speeds of the LX200 digitally in tenths of a hertz from 56 4 Hz to 60 1 Hz so that you can match virtually every celestial motion in the sky Some popular drive rate settings are Table 7 Drive Rate Settings FREQUENCY RATE DESCRIPTION NOTES Default rate at power up Gives sidereal 60 1 Hz Q Sidereal Rate Quartz setting frequency accuracy to or 005 Best for
15. up in the Altazimuth mode Just attach the telescope s drive base directly to the tripod use the fast 1 star alignment procedure and the telescope s computer actuates 2 axis tracking that keeps objects precisely centered in the field even at high powers during the entire observing session toc d Terrestrial Operation Meade LX200 s make incredible land view telescopes Set the telescope up in the Altazimuth format activate the Land menu option on the telescope s computer and use the Keypad to track land objects on both axes at any of the same 4 drive speeds toc e Keypad and Power Panel Functions The multifunction capability of LX200 s includes direct connection of popular CCD autoguider imagers RS 232 serial interface with a personal computer PC allowing the user to perform all of the Keypad functions through or write custom telescope software for a PC brightness level control of an illuminated reticle eyepiece from the Keypad and including special pulse mode reticle operation toc 2 Standard Equipment http www meade com manuals x200 a html 2 of 4 7 29 2002 7 27 44 AM Meade Instruments Corporation Meade LX200 Instruction Manuals toc a 7 Model LX200 Includes 7 Maksutov Cassegrain optical tube assembly with EMC Super Multi Coatings D 178mm F 2670mm f 15 heavy duty fork mount with 4 dia sealed polar ball bearing quartz microprocessor controlled 5 75 worm gears on both axes setting circ
16. 1 Tilt Plate 6 Yemier Pointer 2 Altech ent Ser ew 7 Bubble Level 3 Latitude Scale 8 Fine Latitude Cortrd Knob 4 Wedge Body 3 Azimuth Contd Knob 5 Tit Ande Adustrnert Screw Fig 10 Superwedge for 10 LXo00 Telescope toc 2 SUPERWEDGE For 10 and 12 LX200 The Superwedge permits use of the 10 and 12 LX200 telescope in an astronomical or equatorial mode The wedge fits onto the field tripod described below and accepts the base of the 10 and 12 LX200 fork mount See Fig 10 NOTE The Meade Superwedge is designed solely for use in conjunction with the Meade field tripod The Superwedge should never be used without the field tripod e g by placing the Superwedge alone on a table top and then mounting the telescope on the wedge The 10 and 12 LX200 placed onto the Superwedge alone without the field tripod attached to the wedge may become seriously imbalanced to the point where the telescope may actually tip over The Superwedge for the 10 and 12 LX200 telescope is of modern design with several important features incorporated to simplify and facilitate telescope operation After using the Superwedge for your telescope you will find that the functional design features included are of very significant value in routine telescope operations Some of these features include 1 Attachment of the Superwedge to the field tripod by means of only one manual knob For photographic applications with the telescope where e
17. 29 2002 7 28 13 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Magnetic Moth True Morth ie a Certenine d wedge rah k M 4 Fig 19 Equatorial Wedge 3 Rotate the Equatorial Wedge in azimuth without moving the knob compass until the centerline of the wedge lines up with the point of the knob compass Fig 19 The centerline of the Equatorial Wedge now falls directly on the true north line 4 Tighten the knob compass locking the Equatorial Wedge into place The Field Tripod and Equatorial Wedge are now pointed directly toward celestial north without ever having seen the North Star Next Page Related Topics Authorized Dealers Meade 8 AND 10 LX200 Schmidt Cassegrain Telescopes Meade 7 LX50 and LX200 Maksutov Cassegrains Meade 12 LX200 Schmidt Cassegrain Accessories for Meade LX Series Catadioptric Telescopes Index of Instruction Manuals General Catalog Index Meade Product Repair and Warranty Information http www meade com manuals Ix200 apxa html 13 of 14 7 29 2002 7 28 13 AM Meade Instruments Corporati Meade LX200 Instruction Manuals dealer referral gallery dealer support The name Meade and the Meade logo are trademarks registered with the United States Patent Office and in principal countries throughout the world Copyright 2002 Meade Instruments Corporation All Rights Reserved This material may not be reproduced in any form wit
18. Dec locks released or as described above only The Declination Manual Slow Motion Fig 5 LX200 Keypad Knob 1 Fig 4 is non functional when power is supplied to the telescope Hand Controller When the power is On only use the N S E and W keys on the Keypad Hand Controller Serious damage can occur to the internal gears of the motor assembly if the Declination Manual Slow Motion Knob is turned even a slight amount by hand Before using the telescope during the daytime be sure to read Daytime Slewing toc 3 Using the LX200 In Altazimuth ALTAZ The two quick start methods described above allow you to use the telescope but do not make use of any of the computer features available including finding objects from the Object Library and automatic tracking of stars In order for these features to work the telescope s power needs to be On and the computer needs some basic information which is entered through the Keypad Once entered the information is permanently remembered by the telescope s computer and need never be entered again even if the telescope is turned On and off many times This section will explain what keys to push to get the minimum data required into the computer without any detailed explanation Later see Section G LX200 Modes for detailed instructions These steps will only take a few minutes and will allow you to begin making use of all the LX200 features Note also much of this information can be skipp
19. LOOSEN THEM JVIORE THAN 2 FULL TURNS COUNTER CLOCKWISE DIRECTION OR THE SECONDARY MIRROR MAY COME LOOSE FROM IT S SUPPORT YOU WILL FIND THAT THE ADJUSTMENTS ARE VERY SENSITIVE USUALLY ONLY TURNING A COLLIMATION SCREW 1 2 A TURN WILL GIVE DRAMATIC RESULTS http www meade com manuals Ix200 apxe html 4 of 7 7 29 2002 7 28 27 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Fig 27 Defocused Star Images While looking at the de focused star image and noticing which direction the darker shadow is offset in the ring of light or noticing which part of the ring is the thinnest 1 Fig 27 place your index finger in front of the telescope so that it touches one of the collimation set screws You will see the shadow of your finger in the ring of light Move your finger or an assistant s finger around the edge of the black plastic secondary mirror support until you see the shadow of the finger crossing the thinnest part of the ring of light At this point look at the front of the telescope where your or your assistant s finger is aiming It will either be pointing directly at a set screw or it will be between two set screws aiming at the set screw on the far side of the black plastic secondary mirror support This is the set screw that you will adjust Using the telescope s slow motion controls move the de focused image to the edge of the eyepiece field of view 2 Fig 27 in the same direction as the darker shadow i
20. LX200 Instruction Manuals i Viewinder Dow Shield ALA Setting Circle 2 Viewlinder Colimation Screws 11 Power Pare 2 Dechination Setting Circle 12 Keypad Hand Controller 4 Declination Pointer 13 Diagonal Prism 5 Focuse Knob 14 Eyepiece 6 Eyepiece Holder 15 Bubble Lowel 7 ALA Lock 16 Hour Angle HA Pointer 6 RA Slow Motion Control Knob 17 Drive Base 9 ALA Vernier Pointer 18 Viewfinder Focus Lock Fling Fig 3 8 LX200 Telescope With all celestial objects therefore capable of being specified in position by their celestial coordinates of Right Ascension and Declination the task of finding objects in particular faint objects in the telescope is vastly simplified The setting circles R A 10 Fig 3 and Dec 3 Fig 3 of the LX200 7 8 10 and 12 telescopes may be dialed in effect to read the object coordinates and the object found without resorting to visual location techniques However these setting circles may be used to advantage only if the telescope is first properly aligned with the North Celestial Pole http www meade com manuals Ix200 apxb html 2 of 6 7 29 2002 7 28 16 AM Meade Instruments Corporation Meade LX200 Instruction Manuals North Celestial Pole viani of Pols Ka Right Ascension Celestial Equator South Celestial Pale toc 2 Lining Up with the Celestial Pole Objects in the sky appear to revolve around the celestial pole Actually celestial obj
21. LX200 Telescope toc 2 Mounting the Viewfinder 7 8 10 and 12 LX200 Models Each 7 8 10 and 12 LX200 telescope is supplied as standard equipment with an 8x50mm straight through viewfinder The bracket for this viewfinder is packed separately from the finder itself and 6 black nylon thumbscrews for collimation are pre threaded into the viewfinder bracket The viewfinder bracket mounts onto the telescope with a quick release mount See Fig 3 http www meade com manuals Ix200 c html 4 of 7 7 29 2002 7 27 50 AM Meade Instruments Corporation Meade LX200 Instruction Manuals toc a Attaching the Viewfinder The viewfinder is shipped separately from the bracket and must be installed into the bracket Slide the viewfinder into the bracket and lightly tighten the 6 collimation alignment screws 2 Fig 3 The quick release mount allows the viewfinder to be easily attached or removed from the telescope To attach the unit simply slide the viewfinder with bracket into the mating base on the telescope and tighten the two thumbscrews toc b Focusing the Viewfinder The viewfinder has been pre focused at the factory However should it become necessary to adjust the focus follow these steps 1 Loosen the Focus Lock Ring 18 Fig 3 2 While looking at a star rotate the Dew Shield 1 Fig 3 until the star is in focus This refocuses the objective lens CAUTION Take care when rotating counter clockwi
22. LX200 pointing more accurate Therefore the CNGC listing and the LX200 display will not exactly agree on object positions Objects have been assigned a Visual Quality Rating henceforth called VQ A large number of VQs have been obtained by observing the objects To make the VQs as useful as possible all observations have been made with the same telescope and eyepiece under substantially identical observing conditions Only for very small objects was a higher power eyepiece used Your Visual Quality Rating of a particular object http www meade com manuals x200 apxd html 1 of 6 7 29 2002 7 28 22 AM Meade Instruments Corporation Meade LX200 Instruction Manuals will vary largely due to sky conditions If the object has been rated by observation an upper case character ABCDEFG is used for the VQ on the CNGC listing If the object has not been observed the VQ has been estimated by a computer program from the object type size and brightness and the VQ is specified in lower case characters abcdefg The VQs for visually rated objects are a considerably more consistent guide to observability and appearance than either the computed VQs or an examination of the type magnitude and size data NGC 2000 and IC databases are copyrighted by Sky Publishing Corporation and used with their permission The following guide to VQs was used in the visual observing process Table 9a VQ Guide SUPER Very bright with very interesting sha
23. Permanently Mounted Polar Aligned LX200 section to access the Object Library toc d The Permanently Mounted Polar Aligned LX200 For those who will permanently mount the LX200 in an observatory or wish to use the already polar aligned telescope for several nights in succession it is recommended that a high precision polar alignment be made with one of the methods described above Once done however you need not bother yourself to go through a polar alignment routine on successive nights provided that you do not move the instrument s Equatorial Wedge or Field Tripod to access the Object Library and enjoy near perfect tracking To bypass the polar alignment sequence follow the steps outlined below 1 Return to the POLAR menu option and place a check next to it by pressing the ENTER key 2 Then directly enter the catalog number of an object that you are familiar with in the sky by pressing the M STAR or CNGC key see Appendix D for a listing of the 64 359 Object Library and press the ENTER key again 3 Manually center the familiar object in the eyepiece of the telescope 4 Press and hold the ENTER key until the display reads Coordinates matched 5 You have now synchronized the Object Library and the LX200 will correctly access every other object in the sky toc e LAND The LAND menu option transforms the ALTAZ Altazimuth mounted LX200 into an electric slewing spotting scope In this mode continuous tracking is canceled
24. and all of the celestial pertinent modes and menus are non functional showing lower case lettering in the displays and a beep tone if you try to enter one of them The LX200 will slew at any one of the four speeds of SLEW FIND CNTR and GUIDE as activated by pressing the appropriately marked keys on the extreme left of the Keypad display Altazimuth coordinate readings can still be displayed in the coordinates mode see MODE 2 in this section Refer to section D Quick Start in this manual for the LAND menu option for full operating procedures You will also find that the addition of the Meade 928 45 Degree Erect Image Prism or the Meade 924 Porro Prism instead of the standard supplied star diagonal prism will give the normal right side up and left to right views that you are accustomed to when using a spotting scope toc 3 SMART The SMART menu file controls the Smart Drive and allows you to train almost all of the periodic error from the Right Ascension drive worm gear errors induced by tiny gear imperfections that tend to slightly speed up or slow down the drive tracking speed that occur in a regular 8 minute pattern or for every rotation of the worm for greatly enhancing the tracking characteristics or the amount of East and West drift of your LX200 This greatly simplifies guiding during astrophotography The menu also has provisions for correcting Declination drift Smart Drive will retain the training given to the R A drive even aft
25. and is used to exit from specific menu files toc 3 GO TO Key The GO TO key 3 Fig 6 causes the LX200 to automatically 1 ENTER key 7 Red LED Light slew to specific library entry coordinates The GO TO key also 2 MODE key 8 Display produces a blinking cursor in the GO TO menu file of the 3 GOTO key 9 Focus key COORDINATES GO TO mode to allow new Right Ascension 4 Directionkeys 10 Object keys and Declination coordinates to be entered 5 RET key 11 MAP key 6 Speedkevs 12 PREY amp MEXT keys toc 4 Direction Keys Fig amp Keypad Hand Controller Labeled N S E and W 4 Fig 6 these four keys make the LX200 move or slew in a specific direction with an option of four different speeds explained later During entry to change a value the E and W keys can be used to move the blinking cursor back and forth across the LCD display so that if an error is made during entry it can be erased and changed The remaining twelve keys have multiple functions there are up and down arrow keys and numbered keys from 0 through 9 Each one of these keys also has alternate functions listed above the arrow symbols and numbers The ALT LED light is only visible when entering numerical data A description of the individual keys follows toc 5 Speed Keys SLEW FIND CENTER and GUIDE These keys 6 Fig 6 allow you to set the rate of movement or slew speed in the drives of the LX200 as activated by the N S E
26. from 115v AC 8 x 50mm viewfinder 2 diagonal mirror with 1 25 adapter Series 4000 SP26mm eyepiece giant field tripod operating instructions Next Page Related Topics http www meade com manuals x200 a html 3 of 4 7 29 2002 7 27 44 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Authorized Dealers Meade 8 and 10 LX200 Schmidt Cassegrain Telescopes Meade 7 LX50 and LX200 Maksutov Cassegrains Meade 12 LX200 Schmidt Cassegrain Accessories for Meade LX Series Catadioptric Telescopes Index of Instruction Manuals General Catalog Index Meade Product Repair and Warranty Information home about meade product information dealer referral gallery customer support investor relations dealer support employment opportunities site map The name Meade and the Meade logo are trademarks registered with the United States Patent Office and in principal countries throughout the world Copyright 1998 Meade Instruments Corporation All Rights Reserved This material may not be reproduced in any form without permission http www meade com manuals x200 a html 4 of 4 7 29 2002 7 27 44 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Meade Instruments Corporation Telescopes Binoculars Microscopes Meade LX200 Instruction Manual 7 Maksutov Cassegrain and 8 10 and 12 Schmidt Cassegrain Telescopes B UNPACKING AND INSPECTION As you
27. get the radius of the true field of view divide the true field by 2 In the case of the above equation 40 2 arc minutes divided by 2 equals 20 1 arc minutes toc 2 Mode Two COORDINATES GO TO Mode two allows you to see where you have pointed the LX200 in two celestial coordinate formats either Right Ascension and Declination or Altazimuth Also in this mode you can enter new Right Ascension and Declination coordinates for any sky position perhaps to locate objects not in the LX200 library such as comets or asteroids and have your telescope slew to the new coordinates toc a Coordinates Menu File You will at first see the RA and DEC coordinates of where the telescope is pointing If you move the LX200 with the N S W or E keys the coordinates display will immediately update the new position in Right Ascension and Declination You can also display computed information of the Altazimuth coordinates ALT and AZ by pressing the ENTER key To return to RA and DEC press the ENTER key again http www meade com manuals x200 g html 13 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals The RA display is broken down into hours minutes and seconds and the DEC display is broken down into for North Display 29 aia T 22 54 02 Declination and for South Declination into degrees minutes and seconds as shown in Display 29 If you have made an ALTAZ style of alignment
28. has evaporated you will most likely find them in fine condition for the next observing session If you live in a very moist climate you may find it necessary to use silica dessicant stored with the telescope to ward off moisture and the possibility of fungus growing on and within the coatings of the optics Replace the silica dessicant as often as necessary Those living in coastal areas or tropic zones should also cover the electronic ports on the Power Panel and the Keypad with gaffers tape to reduce corrosion on the metal contacts Apply a dab of a water displacement solution such as WD 40 with a small brush on all of the interior metal contacts and the input cord metal contacts The Keypad and all separate accessories should be kept in sealable plastic bags with silica dessicant http www meade com manuals x200 apxe html 1 of 7 7 29 2002 7 28 27 AM Meade Instruments Corporation Meade LX200 Instruction Manuals A thick layer of dust will attract and absorb moisture on all exposed surfaces Left unattended it can cause damaging corrosion To keep dust at bay when observing the telescope can be set up on a small section of indoor outdoor carpet If you are observing for more than one night in a row the telescope can be left set up but covered with a large plastic bag such as the one supplied with the telescope The rear cell opening of the LX200 can also be sealed off to the elements by threading on the optional accessory Skyli
29. most astrophotography Average rate for tracking planets Actual rates vary due to retrogrades oppositions etc 160 0 Hz Solar and Planetary rate 57 9 Hz Lunar rate Best for tracking the Moon Note If you have trained the Smart Drive in the 60 1 Hz Q setting see SMART menu file in this section you will find that Smart Drive will still give periodic error corrections in all of the other frequency settings There are three menu file options in FREQ To see or set the options move the LCD arrow to FREQ and press the ENTER key At power up the FREQ default is the 60 1Hz Q setting The quartz rate is precisely fixed and cannot be altered To choose a rate other than the quartz setting press the ENTER key to see 60 1 M and then again to see 60 1 M with the up and down LCD arrow These two menu file options can adjust the tracking speeds The adjustment techniques are described below http www meade com manuals x200 g html 15 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Display 31 shows the manual rate menu file option that can be FREQ 601 MI adjusted by pressing and holding the ENTER key to get the Dispky 31 double beep tone and the blinking cursor Type in the new rate then when finished press the ENTER key again Display 32 shows the menu file option allows you to step the drive tracking frequency setting in tenths of a hertz by using the PRE
30. of 6 7 29 2002 7 28 22 AM Meade Instruments Corporation Meade LX200 Instruction Manuals constellation where the variable star is located and is listed in the table below The next four digits are assigned sequentially within each constellation according to the standard sequence of variable star designations R S Therefore the first variable star in the constellation of Virgo would be entered as 860001 Code Const Code Const Code Const Code Const 1 AND 23 CIR 45 LAC 67 PSA 2ANT 24 COL 46 LEO 68 PUP_ 3J APS 25 COM 47 LMI 69 PYX AQR 26 CRA 48 LEP 70 RET AOL 27 CRB 49 LIB 71 SGE ARA 28 CRV 50 LUP 72 SGR ARI 29 CRT 5i LYN 73 sco AUR eoru seyn 74 S0L_ BOO CYG 53 MEN 75 SCT CAE 32 DEL 54 mic 76 SER CAM 33 DOR 55 MON 77 SEX ONC 34 DRA 56 mus 78 TAU EQU 57 NOR 79 TEL CMA 36 ERI 58 OCT 80 TRI 15 CMI 37 FOR 59 0PH 81 TRA 16 CAP 38 GEM 60ORI 82 TUC 17 CAR 39 GRU 61 PAV 83 LIMA 18 CAS 40 HER 62 PEG 84 UMI 19 CEN 41 HOR 63 PER 85VEL 20 CEP 42 HYA 64 PHE 86 VIR 21CET 43 HY 65 PIC 87 VOL 22 CHA 44 IND 66 PSC 88 VUL Table 13 Constellation Codes Related Topics e Authorized Dealers e Meade 8 AND 10 LX200 Schmidt Cassegrain Telescopes e Meade 7 LX50 and LX200 Maksutov Cassegrains e Meade 12 LX200 Schmidt Cassegrain
31. of the observing site is 35 then 10 45 35 of southern sky is unavailable for observations toc 6 7 Tube Swing Through Limit The length of the 7 LX200 optical tube prohibits the correcting plate end of the tube from swinging through the fork arms the tube will hit the mount When the telescope is aligned the software will stop the telescope from moving into the mount If the telescope is not aligned there are also mechanical stops and some parts of the sky might be restricted if using a wedge depending on the latitude of the observing site Observing sites with latitudes higher than 45 will not have any restrictions Latitudes below 45 will have the southern horizon somewhat restricted when using a wedge and polar aligning To determine the amount of sky not available subtract the latitude of the observing site from 45 this will give the number of degrees of the southern horizon that the 7 LX200 will not reach For example if the latitude of the observing site is 35 then 10 45 35 of southern sky is unavailable for observations No restrictions of observable sky occur in the altaz mode of alignment and operation http www meade com manuals x200 c html 6 of 7 7 29 2002 7 27 50 AM Meade Instruments Corporation Meade LX200 Instruction Manuals toc 7 Maksutov Fan The Maksutov optics of the 7 LX200 are equipped with a fan which will assist in the stabilization of the temperature of these optics The f
32. on any given night to be able to easily and quickly make precision alignments The LX200 Alignment Star Library and Star Charts are below for your reference toc Table 9 LX200 Alignment Star Library LX200 ALIGNMENT STAR LIBRARY STAR NAME STAR MAGNITUDE CONSTELL RIA DEC ACHERNAR 13 0 5 ERIDANUS 01 37 7 57 14 ACRUXA 121 1 3 CRUX 12 26 6 63 06 ALBIREO 223 3 1 CYGNUS 19 30 8 27 58 ALKAID 140 1 9 URSA MAJOR 13 47 6 49 19 ALDEBARAN 33 0 9 TAURUS 04 35 9 16 31 ALNILAM 50 1 7 ORION 05 36 2 01 12 ALPHARD 95 2 HYDRA 09 27 6 08 39 ALPHEKKA 165 2 2 CORONABOR 15 35 5 26 43 ALTAIR 226 0 8 AQUILA 19 50 8 08 52 ANTARES 177 0 9 SCORPIUS 16 29 5 26 26 ARCTURUS 147 0 BOOTES 1415 7 19 11 BETELGUESE 56 0 4 ORION 05 55 2 07 25 BOGARDUS 58 2 6 AURIGA 05 59 8 37 13 CANOPUS 63 0 7 CARINA 06 24 0 52 42 CAPELLA 42 0 1 AURIGA 05 16 6 46 00 CASTOR A 78 1 9 GEMINI 07 34 6 31 53 DENEB 232 1 3 CYGNUS 20 41 5 45 17 http www meade com manuals Ix200 apxc html 1 of 5 7 29 2002 7 28 19 AM Meade Instruments Corporation Meade LX200 Instruction Manuals DENEBOLA 114 2 1 11 49 1 14 34 8 LEO DIPHDA 2 CETUS E 00 43 6 17 59 ENIF 238 24 PEGASUS 21 44 2 09 53 FOMALHAUT 247 1 2 PISCES AUST 2257 7 29 38 HADAR 144 0 6 CENTAURUS 1403 9 60 24 HAMAL 17 2 ARIES 02 07 2 23 28 MARKAB 249 25 PEGASUS 23 04 8 1512 MIRA 20 21 CETUS 02 19 4 02 58 POL
33. or spotting ken There is also a N S switch for Northern hemisphere and Southern fiw scope to look at the Sun hemisphere use Observing the Sun even for WARN ING i the shortest fraction of a The Power Panel has all of the connectors for the AC or DC power second will cause irreversible damage input the DEC Motor and the Keypad There are connectors to your eye as well as physical damage designed to accept optional accessories such as a CCD autoguiding to the telescope or spotting scope itself camera the optional Meade Encoders that will update the Keypad even if you move the LX200 manually not using the N S E W keys the optional Meade 1206 Electric Focuser and an illuminated reticle eyepiece There is even a connector for RS 232 communication that will allow you to perform every function of the Keypad from your personal computer An illustration and a description of the LX200 Power Panel features follows Lureri imi a re OM PUTER DRIVE SYSTEM La Ae eT SMART DHIVE Q Lanio Hait 11 amp nmeter LE OMIOFF Switch 2 R5 232 Connector 5 MiS Switch 3 4ux Connector 3 I DE Power Connect 4 Focuser Connecta 10 CCD Connector 5 Reticle Connector 11 OBO Motor Connector 6 Keypad Connector Fig L200 Power Panel toc 1 ON OFF Switch When the ON OFF Switch 7 Fig 7 is moved to the ON position the power light indicator the Current Ammeter and the Keypad all light up You will hear the dri
34. severe jolt in shipment the optics can become de collimated a situation which may result in serious image degradation Recollimating the optics is however a simple procedure which is easily performed by the telescope user We urge all LX200 owners to confirm the collimation of their telescope and to recollimate the optics if necessary There is no collimation procedure required for the Meade 7 Maksutov Cassegrain telescope Factory alignment assures optimal viewing accuracies toc 5 12 Tube Swing Through Limit The length of the 12 LX200 optical tube prohibits the correcting plate end of the tube from swinging through the fork arms as the tube will hit the mount When the telescope is aligned the software will stop the telescope from moving into the mount If the telescope is not aligned there are also mechanical stops When in LAND or ALTAZ modes this limit does not restrict any sections of the sky since the limit is set at 45 from straight down But when in the POLAR mode some parts of the sky might be restricted depending on the latitude of the observing site Observing sites with latitudes higher than 45 will not have any restrictions Latitudes below 45 will have the southern horizon restricted somewhat To determine the amount of sky not available subtract the latitude of the observing site from 45 This will give the number of degrees of southern horizon that the 12 LX200 will not move to For example if the latitude
35. spotting scope to look at the Sun Observing the Sun even for toc 1 8 Equatorial Wedge For 7 and 8 LX200 WARN ING the shortest fraction of a The Equatorial Wedge permits use of the 8 LX200 telescope in an second will cause irreversible damage astronomical or equatorial mode The wedge fits onto the field ie es dae welas Pee sseuae tripod described below and accepts the base of the 7 or 8 LX200 d ii a a egancey eet fork mount See Fig 8 NOTE The Meade equatorial wedge is designed solely for use in conjunction with the Meade field tripod The wedge should never be used without the field tripod e g by placing the wedge alone on a table top and then mounting the telescope on the wedge The 7 or 8 LX200 placed onto the equatorial wedge alone without the field tripod attached to the wedge may become seriously imbalanced to the point where the telescope may actually tip over The equatorial wedge for the 7 and 8 LX200 telescope is of modern design with several important features incorporated to simplify and facilitate telescope operation After using the wedge you will find that the functional design features included are of very significant value in routine telescope operations Features included are 1 Attachment of the wedge to the field tripod by means of only one manual knob 2 Quick azimuth adjustment by loosening the manual knob as described above 3 Bubble level for rapid tripod wedge leveling 4 Etched lati
36. table summarizes these properties Atmospheric Atmospheric P Refraction Refracting l TRE Correction Correction Determined By Pointing Accuracy Determined By Best used when the telescope is Level of Telescope permanently mounted and accurately leveled SITE 1 Star Known Tele of Telescope Best used on a transportable ele owe 2 Star Alignment Yes Level of Telescope telescope with the SITE SITE information available 2 Star Best used when the Unknown 2 Star Alignment No N A SITE information is SITE not available Atmospheric Refraction Correction Light from a astronomical object is bent or refracted as it passes through the atmosphere This bending is more pronounced near the horizon because there is more atmosphere for the light to pass through and it shifts the apparent position of the star The LX200 calculates this bending and compensates for it when slewing to objects near the horizon http www meade com manuals x200 g html 3 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals 1 Viewlinder Daw Shield 10 ALA Setting Circle 2 Viewlinder Colimation Screws 11 Power Panel 2 Declination Setting Circle 12 Keypad Hand Controller 4 Declination Pointer 13 Diagonal Prism 5 Focuser Knob 14 Eyepiece 6 Eyepiece Holder 15 Bubble Lowel 7 ALA Lock 16 Hour Angle HA Pointer
37. telescope It is easiest to enter the data with the telescope UAT amaa SG sitting on a table indoors do not try to do it outside at night Display amp LONG 000 of Each step below is given without any details or explanations to LAT 4 37 JF keep the process as simple and fast as possible Display 7 LONG 117 42 As an example we will enter the data for Costa Mesa CA LAT 33 35 LONG 117 42 If at any time you get lost simply turn off the telescope and restart this procedure 1 Turn the telescope on After a few seconds after the self diagnostic test is complete the display will look like Display 1 2 Press the ENTER key This selects the TELESCOPE functions The display should look like Display 2 3 Press the ENTER key This selects the SITE functions The display should look like Display 3 4 Press and Hold the ENTER key until the Keypad Hand Controller beeps This selects the first site for editing The display should look like Display 4 with the first A flashing 5 Press the ENTER key The display should look like Display 5 6 Use the number keys to enter your Latitude The underline designates the current cursor position Mistakes can be corrected by moving back using the E and W keys A negative latitude can be entered by positioning the cursor under the and hitting the NEXT key lower right hand key When the Latitude is correct press ENTER The display will look like Display 6 7 Use th
38. the normal manner To remove the corrector plate follow the instructions below Remove the six for 8 and 12 models or the eight for 10 models stainless steel screws that hold the plastic corrector plate retaining ring with the raised white lettering in place This should be done with the Drive Base placed flat on a work bench and the optical tube assembly pointed up at a 45 degree angle with the declination lock secure to prevent accidental dislodging of the corrector plate Remove the plastic retaining ring and locate the two white alignment marks one at the edge of the corrector plate lens and one beside it on the black metal front cell These two marks line up and serve as the precise rotational position of the corrector plate in the optical train If no marks exist make two yourself with a small paintbrush and some white paint so that when you return the corrector plate to the front cell you are putting it back on the same way that you took it off Remove the corrector plate from the telescope holding it by the plastic central secondary housing Flip it over so that the secondary mirror is facing you then reinsert the corrector plate back into the front cell This will allow you full access to clean the interior optical surfaces without touching them with your fingers When cleaning is complete replace the corrector plate in it s original position carefully lining up the rotational index marks Then replace the plastic retainer Partia
39. the 12 telescope In turn both the diagonal prism and diagonal mirror accept the supplied 1 1 4 O D eyepiece For astronomical observations the diagonal prism or mirror generally provides a more comfortable right angle viewing position Alternately in the 7 8 10 and 12 telescopes an eyepiece may be inserted http www meade com manuals Ix200 c html 5 of 7 7 29 2002 7 27 50 AM Meade Instruments Corporation Meade LX200 Instruction Manuals directly into the eyepiece holder for straight through observations In this case however the image will appear inverted and reversed left for right Note that the eyepiece holder is standard equipment on 7 8 and 10 models but is an optional accessory for the 12 LX200 With the diagonal prism and mirror telescopic images appear correctly oriented up and down but still reversed left for right For terrestrial applications where a fully corrected image orientation is desired both up and down and left for right the optional 928 45 Erect lmage Diagonal Prism should be ordered separately Eyepieces and the diagonal prism are held in their respective places on the 7 8 and 10 telescopes by a moderate tightening of the thumbscrews on the diagonal prism and eyepiece holder toc 4 Checking the Collimation of the Optics The optical systems of all Meade Schmidt Cassegrains are precisely collimated or aligned before leaving the factory However if the telescope has received a
40. the ALT and AZ coordinate display is formatted so that 0 degrees Azimuth AZ is due South that increases to up to 359 degrees 59 minutes and 59 seconds moving clockwise or from due South Display 30 moving Westerly Altitude ALT is formatted so that straight overhead is 90 degrees and 00 minutes decreasing to 00 degrees 00 minutes and 00 seconds as you move the telescope level with the horizon and then as the LX200 moves below 00 00 00 it will give minus Altitude readings The Altazimuth coordinate display is shown in Display 30 While in ALTAZ you will find during slewing in one direction that both the RA and DEC display will change at the same time while the ALT and the AZ display will only change in the direction that the telescope is being slewed It is also important to note that only the Declination Setting Circle 3 Fig 3 will give a correct reading The R A Setting Circle 10 Fig 3 will only give correct readings in the POLAR setting see Appendix B Equatorial Use toc b GO TO Menu Option The GO TO menu option allows you to enter new Right Ascension and Declination coordinates of any object in the sky so that the LX200 will slew to the new position With this ability your LX200 knows no bounds any celestial object including comets asteroids etc are easily found provided you have accurate coordinate data to refer to To enter a new pointing position in Right Ascension and Declination press
41. to see if any of the propellant solid material comes out Propellant is very difficult to remove from optics so take care not to tip the can when using it If you have access to a compressor hose be sure that it is filtered to prevent oil from being sprayed on the optics Once you are confident that you have removed most of the dust and large particles begin cleaning with the pure isopropyl Pour or spray enough solution onto a pillow or wand of tissue until it is quite wet If you are cleaning a corrector plate use radial strokes with a smooth pillow of tissue starting from the center out using no pressure If you are cleaning small optical surfaces use the rolled wands of tissue starting from the edges then spiraling in to the center again using no pressure Never pour or spray the solution onto the http www meade com manuals x200 apxe html 2 of 7 7 29 2002 7 28 27 AM Meade Instruments Corporation Meade LX200 Instruction Manuals corrector plate or eyepieces themselves as the liquid may go behind or in between lenses where it is difficult or impossible to reach Never attempt to disassemble an eyepiece to clean the inner elements as you will certainly not be able to properly center and re assemble the optical train Use dry tissue to make the final clean up again using no pressure If there is still some sort of residue use the the three part formula described above again using the same cleaning techniques The inside su
42. 0 for an area of the sky so that the next object if the leveling time input or site location information is not corrected will be better centered provided it is not too far away from the object that you matched coordinates to To exit the START FIND menu selection and cease its operation to the main menu press the MODE key http www meade com manuals x200 g html 10 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals toc 3 FIELD Obieta 5 Press the ENTER key to identify objects in the field of view of the Display2s Aone Cin 4438 telescope The LX200 will display the object centered in the eyepiece field and how many other NGC objects are in the field at the same time defined by the RADIUS parameter setting as Se Reenter to reveal information about the obj E MAG HELEN ject as shown in Display 26 Display 26 is interpreted COMPUTERIZED NEW GENERAL CATALOG 4438 VERY GOOD GALAXY MAGNITUDE 10 1 AA 12 27 2 SIZE in arc minutes 9 3 Press ENTER again to read the Dispayet DEC 41303 coordinate location of the object notice the legend next to RA coordinate number it indicates the catalog coordinates of the object not necessarily where the telescope is pointing as shown in Display 27 Display 28 Press ENTER once more to see physically how far your telescope will have to move to acquire the object entered The display will show LED bars each bar represe
43. 275 0 19 132 0 39 165 0 32 206 0 25 258 0 20 314 0 17 12 4mn 52 215 0 24 103 0 50 129 0 40 161 0 32 202 0 26 246 0 21 15mn 52 178 0 29 85 0 61 107 0 49 133 0 39 167 0 31 203 0 26 20mm 52 134 0 39 64 0 81 80 0 65 100 0 52 125 0 42 152 0 34 26mm 52 103 0 50 49 1 06 62 0 84 77 0 68 96 0 54 117 0 44 32mm 52 83 0 63 40 1 30 50 1 04 63 0 83 78 0 67 95 0 55 40mn 44 67 0 66 32 1 69 40 1 35 50 0 88 63 0 70 76 0 53 56mm 52 2 0 D 48 1 08 23 2 27 29 1 82 36 1 46 45 1 16 54 1 04 Super Wide Angle Eyepieces 6 elements 1 1 4 O D except as noted 13 8mm 67 193 0 35 93 0 72 116 0 58 145 0 46 181 0 37 221 0 30 1 Smm 67 148 0 45 71 0 94 89 0 75 111 0 60 139 0 48 169 0 40 24 5mm 67 109 0 61 52 1 28 65 1 03 82 0 82 102 0 66 124 0 54 32mm 67 2 0 D 83 0 81 40 1 67 50 1 34 63 1 07 78 0 86 95 0 71 40mm 67 2 0 D 67 1 00 32 2 09 40 1 67 50 1 34 63 1 07 76 0 88 Ultra Wide Angle Eyepleces 8 elements 1 1 4 O D except as noted 4 7mm 84 568 0 15 272 0 31 340 0 25 426 0 20 532 0 16 649 0 13 6 7mm 84 399 021 191 0 44 239 0 35 299 0 28 373 0 23 455 0 18 8 8mm 84 1 114 2 O D 303 0 28 145 0 58 182 0 46 227 0 37 284 0 30 346 0 24 14mm 84 1 1 4 2 0 D 191 0 44 91 0 92 114 0 73 143 0 59 179 0 47 218 0 39 Next Page Related Topics
44. ARIS 19 2 URSA MINOR 02 14 7 89 17 POLLUX 81 1 1 GEMINI 07 45 4 28 02 mia EE l PROCYON s o 04 CANIS MINOR 07 39 3 05 14 REGULUS AA 10 08 5 1158 RIGEL Ooa fo o oi ORION i 05 14 6 08 12 SIRIUS 677 45 CANSMAOR 06 45 2 16 43 SPICA Eae tt VIRGO 1325 2 1110 VEGA 24 0 LYRA 1837 0 3847 iets aaa Star Charts for Northern Hemisphere Observers http www meade com manuals Ix200 apxc html 2 of 5 7 29 2002 7 28 19 AM Meade Instruments Corporation Meade LX200 Instruction Manuals SOUTHEAST January ZOO to 9 00 SOUTHWEST March F 00bo 9 00 Lt Dine NORTH May F00bo 9 00 http www meade com manuals Ix200 apxc html 3 of 5 7 29 2002 7 28 19 AM SOUTH February 7 00 to 9 00 HORTH April 7 00 to 9 00 NORTH June T00 to 9 00 Meade Instruments Corporation Meade LX200 Instruction Manuals NORTH July Z 00to 9 00 NHORTHWEST Moven ber 7 00 to 9 00 Related Topics http www meade com manuals Ix200 apxc html 4 of 5 7 29 2002 7 28 19 AM NORTH August 7 00 to 9 00 Octobe 7 00bo 00 SOUTHEAST Decenber 7 00 to 9 00 Meade Instruments Corporation Meade LX200 Instruction Manuals Authorized Dealers Meade 8 AND 10 LX200 Schmidt Cassegrain Telescopes Meade 7 LX50 and LX200 Maksutov Cassegrains Meade 12 LX200 Schmidt Cassegrain Accessories for Meade LX Series Catadioptric Telescopes Index of Instruction Manuals General Catalog Index Me
45. Converter for AC current wall outlets or the optional DC Cigarette Lighter Power Cord used in an automobile s cigarette lighter outlet with the ignition turned on only to allow the electric power on from the car battery http www meade com manuals x200 d html 2 of 10 7 29 2002 7 27 54 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Motion Speeds Swe WET EX PHED MAG 9 7 S52 2 5 4 Turn on the power switch on the Power Panel of the LX200 The Keypad Display 1 Fig 5 will show MEADE for several seconds as the microprocessor does a self diagnostic test When the self diagnostic test is complete the display will show TELESCOPE on the top line OBJECT LIBRARY on the lower line and the red LED light next to the SLEW button will light up 5 At this point the LX200 is ready to use Select the speed at which you want to move the telescope by pressing the appropriate Speed Selection Key 4 Fig 5 Note that you will be able to see the telescope move only in the SLEW and FIND modes CNTR center and GUIDE motions can only be seen while looking through the telescope The red LED next to that key 3 Fig 5 will light indicating the speed selected Then press one of the four direction keys 2 Fig 5 to move the telescope in that direction at the selected speed 1 Display 2 Motion Kays 3 Speed Indicator LED s 4 Speed Selection Kays The LX200 can also be moved manually with the R A and
46. Magnetic Declination as described above Position the compass into the knob so that the 360 degree location on the direction scale the North position lines up with one of the nine points of the knobs See Fig 16 Press the compass firmly into the knob 2 Assemble the Equatorial Wedge onto the Field Tripod as described in the Instruction Manual using the knob compass combination to attach the wedge to the tripod toc c Finding True North The Magnetic Compass is now ready to use Just follow these simple steps for a quick and easy azimuth alignment http www meade com manuals x200 apxa html 10 of 14 7 29 2002 7 28 13 AM Meade Instruments Corporation Meade LX200 Instruction Manuals 1 Loosen the knob compass slightly This allows for rotation of the Equatorial Wedge under the knob compass Fig 17 The magnetic pointing arrow will point to magnetic north http www meade com manuals x200 apxa html 11 of 14 7 29 2002 7 28 13 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Certerline of wedge Magnetic Morth True Morth Fig 18 Equatorial Wedge 2 Rotate the knob compass so that the magnetic pointing arrow lies directly over the painted black alignment arrow painted on the bottom surface of the compass Fig 18 The North position on the direction scale and the point on the knob compass now point directly north http www meade com manuals x200 apxa html 12 of 14 7
47. Meade Instruments Corporation Meade LX200 Instruction Manuals Meade Instruments Corporation Telescopes Binoculars Microscopes Meade LX200 Instruction Manual 7 Maksutov Cassegrain 8 10 and 12 LX200 Schmidt Cassegrain Telescopes A Introducing the Meade LX200 1 What Is the LX200 An Overview a Heavy Duty Mounts with 9 speed Dual Axis Electronics b Built in 64 359 Object Library c Altazimuth Mode Operation d Terrestrial Operation e Keypad and Power Panel Functions 2 Standard Equipment a 7 Model LX200 b 8 Model LX200 c 10 Model LX200 d 12 Model LX200 B Unpacking and Inspection 1 What You Should Have 2 Please Look Everything Over 3 Inspecting the Optics Note on the Flashlight Test 4 Caution All LX200 Owners 5 Caution 10 and 12 LX200 Owners C Telescope Assembly 1 The Field Tripod 7 8 10 and 12 LX200 Models 2 Mounting the Viewfinder 7 8 10 and 12 LX200 Models a Attaching the Viewfinder b Focusing the Viewfinder c Collimating the Viewfinder Attaching the Diagonal Prism and Eyepiece Checking the Collimation of the Optics 12 Tube Swing Through Limit 7 Tube Swing Through Limit Maksutov Fan D Quick Start 1 Using the LX200 Manually 2 Using the LX200 in Land http Awww meade com manuals lx200 index html 1 of 4 7 29 2002 7 27 42 AM Meade Instruments Corporation Meade LX200 Ins
48. V and NEXT up and down arrow keys This is a convenient FREQ 601M feature if you are trying to match the precise speed of a planet Display 32 comet or any other non stellar object To exit this option press the MODE key toc 5 Mode Five KEYPAD OFF BRIGHTNESS ADJUST In order to see very faint objects it will sometimes be necessary to either dim or completely turn off the Keypad red LED backlighting To do so press the MODE button until the display goes blank This is the OFF option To set the Keypad brightness press the ENTER button and adjust the brightness to your satisfaction with the PREV and NEXT keys To exit press the MODE key Note The backlighting is done by edge lighting a plastic light bar underneath the Keypad Four LED s are used and do not give a perfectly even backlighting of the keys as keys closer to a LED will be a little brighter than those keys further away Next Page Related Topics Authorized Dealers Meade 8 AND 10 LX200 Schmidt Cassegrain Telescopes Meade 7 LX50 and LX200 Maksutov Cassegrains Meade 12 LX200 Schmidt Cassegrain Accessories for Meade LX Series Catadioptric Telescopes Index of Instruction Manuals General Catalog Index Meade Product Repair and Warranty Information home about meade product information dealer referral gallery customer support investor relations dealer support employment opportunities site map The name Mea
49. X200 Instruction Manuals Meade Instruments Corporation Telescopes Binoculars Microscopes Meade LX200 Instruction Manuals 7 Maksutov Cassegrain Telescope 8 10 and 12 Schmidt Cassegrain Telescopes E THE LX200 KEYPAD HAND CONTROLLER Designed to make you a better astronomer the integration of optics IMPORTANT NOTICE Never mechanics electronics and software in the LX200 Schmidt use a telescope or spotting Cassegrain Telescope is easily mastered so easy in fact that the scope to look at the Sun telescope becomes a natural extension of the observer WARN TNE ene Sun Even for i the shortest fraction of a The LX200 gives you virtually every telescope function possible with second will cause irreversible damage every control in a compact hand held console The red LED backlit to your eye as well as physical damage Keypad has tactile touch buttons some of which are brighter than to the telescope or spotting scope itself others designed to have the right feel even if you wear gloves Its red LED backlit display key arrangement and easy to understand information allow you to focus the telescope and your mind on the subject at hand The LX200 Keypad Hand Controller is a dual axis drive corrector with periodic error control an information display center for the computerized library a digital coordinate readout system a pulsing illuminated reticle eyepiece brightness controller a two speed electric focuser controller and a
50. ade Product Repair and Warranty Information home about meade product information dealer referral gallery customer support investor relations dealer support employment opportunities site map The name Meade and the Meade logo are trademarks registered with the United States Patent Office and in principal countries throughout the world Copyright 2002 Meade Instruments Corporation All Rights Reserved This material may not be reproduced in any form without permission http www meade com manuals x200 apxc html 5 of 5 7 29 2002 7 28 19 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Meade Instruments Corporation Telescopes Binoculars Microscopes Meade LX200 Instruction Manuals 7 Maksutov Cassegrain Telescope 8 10 and 12 Schmidt Cassegrain Telescopes APPENDIX D LX200 64 359 OBJECT LIBRARY toc 1 The LX200 64 35 9 Object Library IMPORTANT NOTICE Never The LX200 64 359 Object Library is a collection of the most studied kn use a telescope or paning and fantastic objects in the sky ae jo tOO at tme ann ar f bserving the Sun even for This library consists of the following object databases WARN ING the shortest fraction of a second will cause irreversible damage 15 928 SAO Smithsonian Astrophysical Observatory i see de eos Pee eure Catalog of Stars All stars brighter than 7th magnitude aaa renee eee 12 921 UGC Uppsala General Catalog G
51. alaxies Complete catalog 7 840 NGC New General Catalog objects Complete catalog 5 386 IC Index Catalog objects Complete catalog 21 815 GCVS General Catalog of Variable Stars Objects Complete catalog 351 alignment stars for the LX200 telescope 110 Messier objects 8 Major Planets toc 2 The CNGC Catalog You will notice that the Messier M objects and the NGC objects have been incorporated into the Meade Instruments CNGC listing CNGC stands for Computerized New General Catalog of Non Stellar Astronomical Objects The CNGC is an enhancement from the RNGC Revised New General Catalog in many ways Angular sizes are given in arc seconds on the CNGC listing and in a convenient scaled format on the LX200 Keypad Display The complete CNGC contains 7840 objects most of which appear in the RNGC Revised New General Catalog with the same number More than 400 objects were added to the RNGC to create the CNGC Most of these should have been in the RNGC in the sense that they are bright and large enough to have been included The CNGC is enhanced from the RNGC in many ways Angular sizes are given in arc seconds on the CNGC listing and in a convenient scaled format on the LX200 display Magnitudes are given to 1 magnitude where possible The coordinates in the CNGC listing are listed for the year 2000 The LX200 calculates object positions upon power up to the current date as shown on the time date display This makes the
52. an will operate when a special power cord supplied in the accessory box is plugged into the fan and the LX200 panel plug marked Aux and with the power switch in the On position The amount of time required to stabilize the temperature will be dependent upon ambient conditions including the observation site and preexisting condition of the telescope The fan should be activated at the beginning of the observation session to accelerate the temperature stabilization As soon as the optics have reached an equilibrium with the environment the fan should be turned off by unplugging the fan power cord Fan operation time should range between 5 and 25 minutes While it is permissible to run the fan continuously it is not recommended because the very slight vibration of the fan may cause noticeable movement of the objects observed in the sensitive optics Next Page Related Topics Authorized Dealers Meade 8 and 10 LX200 Schmidt Cassegrain Telescopes Meade 7 LX50 and LX200 Maksutov Cassegrains Meade 12 LX200 Schmidt Cassegrain Accessories for Meade LX Series Catadioptric Telescopes Index of Instruction Manuals General Catalog Index Meade Product Repair and Warranty Information home about meade product information dealer referral gallery customer support investor relations dealer support employment opportunities site map The name Meade and the Meade logo are trademarks registered wi
53. anced amateur telescope ever produced use a telescope or spotting The advent of this instrument is the culmination of twenty years of scope to look at the Sun innovation and design at Meade Instruments never before have the wjarnNINc Siskel Neate eas for features you have in your hands been available to amateur second will cause irreversible damage astronomers from robotic object location to the revolutionary Smart to your eye as well as physical damage Drive and the most stable mounting structure ever Your telescope to the telescope or spotting scope itself comes to you ready for adventure it will be your tour guide and traveling companion in a universe of planets galaxies and stars Meade 8 10 and 12 LX200 Schmidt Cassegrain and 7 Maksutov Cassegrain telescopes are instruments of advanced mirror lens design for astronomical and terrestrial applications Optically and mechanically the 7 8 10 and 12 telescope models are perhaps the most sophisticated and precisely manufactured telescopes ever made available to the serious amateur These telescopes enable the visual astronomer to reach out for detailed observations of the Solar System the planets Jupiter Saturn Mars and beyond to distant nebulae star clusters and galaxies The astrophotographer will find a virtually limitless range of possibilities since with the precision Meade worm gear motor drive system long exposure guided photography becomes not a distant goal but an a
54. any In the U S A you can double check the accuracy of the exact minutes by dialing WWV for the universal coordinated time at 303 499 7111 be Display 10 E sure to enter your local time hour information not the U T hour T For the example we will use 4 25 00 P M on Jan 15 1992 6 25 00 1 21 38 02 1 The display should look like Display 1 If it does not press the Display 11 Hours from GMT MODE key until it does 05 2 Press the MODE key twice The display will look like Display 8 but with a random LOCAL and SIDE times 3 Press and HOLD the ENTER key until the Keypad Hand Controller beeps display like Display 9 4 Using the number keys enter the current local time to within 5 seconds Remember 4 25 00 P M is 16 25 00 in the 24 hour format Corrections can be made by moving the flashing cursor using the W and E keys The display should look like Display 10 5 Press the ENTER key when the time is correct The display will change to Display 11 The next step is to enter the Greenwich Mean Time GMT time zone shift This procedure is a lot easier than it sounds For users in the U S A refer to the table below to find the GMT time zone shift U S A Time z Zones j J Region Hawaii Pacific Mountain Central Eastern Standard Time 10 Hours 8 Hours 7 Hours 6 Hours 5 Hours Daylight Savings Time 9 Hours 47 Hours 6 Hours 45 Hours 4 Hours http www meade com manual
55. ar or 2 Star alignment If you select the 1 Star alignment by pressing the 1 key the alignment routine is exactly the same as the procedure described earlier toc b 2 Star at Known SITE To use the 2 Star alignment procedure at a known site follow these steps 1 Select the 2 Star alignment by pressing the 2 key the Keypad display will prompt you to level the tripod This leveling step requires a rough level only and unlike the 1 Star alignment routine does not affect the pointing accuracy of the telescope See Section d below for a summary of the differences in telescope operation when selecting each of the three alignment procedures 2 After leveling the base and pressing ENTER follow the Keypad display prompts to select the first alignment star Slew to that star using the N S E W keys 3 Follow the Keypad display prompts to choose and center the the second alignment star Be sure to use the Keypad to slew to the second star After pressing the ENTER key in the last step the Keypad display should show the TELESCOPE OBJECT LIBRARY screen The LX200 calculates the distance between the two stars that you chose in the alignment steps and compares this to the distance that you actually slewed the telescope This is a check to be sure you centered the correct stars during the alignment steps Should the LX200 discover a discrepancy the Keypad will display an Align Mismatch Check Stars message If you get this message afte
56. are drawn in an East West direction parallel to the Earth s equator The celestial equator is simply a projection of the Earth s equator onto the celestial sohere Just as on the surface of the Earth imaginary lines have been drawn on the celestial sphere to form a coordinate grid Celestial object positions on the Earth s surface are specified by their latitude and longitude The celestial equivalent to Earth latitude is called Declination or simply Dec and is measured in degrees minutes or seconds north or south of the celestial equator Thus any point on the celestial equator which passes for example through the constellations Orion Virgo and Aquarius is specified as having 0 0 0 Declination The Declination of the star Polaris located very near the North Celestial Pole is 89 2 The celestial equivalent to Earth longitude is called Right Ascension or R A and is measured in hours minutes and seconds from an arbitrarily defined zero line of R A passing through the constellation Pegasus Right Ascension coordinates range from OhrOminOsec up to but not including 24hrOminOsec Thus there are 24 primary lines of R A located at 15 degree intervals along the celestial equator Objects located further and further east of the prime OhOm0Os Right Ascension grid line carry increasing R A coordinates http www meade com manuals Ix200 apxb html 1 of 6 7 29 2002 7 28 16 AM Meade Instruments Corporation Meade
57. astrophoto The longer that you train the more accurate the DEC LEARN will be Once the desired time is finished press ENTER and the training will cease The Smart Drive will then determine how many key pushes that you gave in N and S and choose the direction based from which direction received more commands It then averages the time between key pushes in the chosen direction In this way the Smart Drive can correct for Declination drift should your polar alignment be slightly off or will allow you to more precisely guide on non stellar objects such as comets asteroids etc To play back your DEC LEARN training move the LCD arrow to DEC CORRECT and press ENTER To halt the play back press ENTER again To erase the DEC LEARN training either move the LCD arrow back to DEC LEARN and press ENTER twice or turn the LX200 off toc 4 12 24 HR The 12 24 HR menu selection of the TELESCOPE file simply toggles between a twelve and twenty four hour display of local time in the time mode To toggle between 12 and 24 hours displays move the LCD arrow to 12 24HR and press ENTER To return to the original setting press ENTER again toc 5 HELP The HELP menu selection of the TELESCOPE file is an electronic mini manual that will briefly describe the function of each command key on the LX200 Keypad To use this menu move the LCD arrow with the PREV or NEXT key to HELP and press ENTER To read the lines of text use the PREV and NEXT keys To exit p
58. begin to unpack your telescope from its cartons you will IMPORTANT NOTICE Never probably be interested in setting it up right away we certainly use a telescope or spotting understand your excitement but please take a few minutes to read ae to aa a Sun this page before doing so You should verify that you have all the WARN ING nee re E for proper equipment and that it has arrived to you undamaged second will cause irreversible damage to your eye as well as physical damage We strongly recommend that you keep your original packing to the telescope of Spotting Scope liself materials If it should ever become necessary for you to return your telescope to the Meade factory for servicing these will help ensure that no shipping damage will occur Meade LX200 telescopes supplied to countries outside the U S A are identical to those offered domestically with the exception of the AC wall adapter toc 1 What You Should Have Carefully unpack and remove all the telescope parts from their packing material Compare each part to the product identification label on the outside of each carton In the case of the LX200 Accessory carton a seperate list of items is enclosed identifying each item in that carton You may wish to place a check next to each item as you identify it Each telescope has been inspected twice at the factory to confirm the inclusion of every item toc 2 Please Look Everything Over Meade Instruments and your shipper have
59. bject quality range to very good and better press the ENTER key until the symbol VG is displayed From the VP setting to VG requires three ENTER key presses The LX200 will now select objects that look Very Good through Super toc c HIGHER The Higher menu file option sets the horizon setting for the telescope At power up the setting is 00 degrees which assumes that you have an unobstructed line of site to the horizon in every direction If however there are things obstructing a level horizon or if the sky quality is poor due to haze or light pollution you can set an artificial horizon level so that your LX200 will not try to find objects below your setting Enter the number of degrees above the horizon that will clear the obstructions in the sky To roughly judge how many degrees the obstruction is taking up of the sky merely hold your fist at arm s length Each fist diameter is approximately 5 degrees So if a tree is three fists high you would make a setting of 15 degrees in the HIGHER setting Once the setting is finalized press ENTER toc d LARGER The LARGER menu file option allows settings of the lower apparent size limit of the objects you wish to see At power up it is set to 000 arc minutes In order to make a decision as to the size limits that you may impose it helps to have a clear understanding of exactly what an arc minute of sky is A good example is the apparent size of the Moon which could be expressed as 1 2 of a
60. chievable reality The capabilities of the instrument are essentially limited not by the telescope but by the acquired skills of the observer and photographer The 7 8 10 and 12 LX200 are with the exception of a few assembly operations and features almost identical operationally Most standard and optional accessories are interchangeable between the three telescopes The instructions in this manual generally apply to all three telescopes when exceptions to this rule occur they are clearly pointed out IMPORTANT NOTE If you are anxious to use your Meade LX200 Telescope for the first time at the very least be sure to read Telescope Assembly and Quick Start sections of this manual Thereafter we urge you to read the balance of this manual thoroughly at your leisure in order that you may fully enjoy the many features offered by the instrument http www meade com manuals Ix200 a html 1 of 4 7 29 2002 7 27 44 AM Meade Instruments Corporation Meade LX200 Instruction Manuals toc 1 What Is the LX200 An Overview Meade LX200 SCT s mark a new era in telescope technology for the amateur astronomer whether beginner or seasoned veteran For the beginner LX200 electronics permit the location and observation of the major planets as well as hundreds of deep sky objects the very first night you use the telescope For the experienced amateur the telescope s pushbutton electric slewing digital readouts Smart Drive and much more
61. d The telescope is now fully mounted onto the wedge and field tripod Adjustments in wedge latitude angle and or azimuth orientation may be made with the telescope in place Further details on telescope polar alignment see Appendix B Equatorial Use 1 Tilt Plate tachment knobs 2 Telescopeto Tilt Plate Attach ent Knobs 3 Deluxe Latitude Cortrol DLT Knob H 112 135 Altazim uth Atac hini ent Hole 5 Deluxe Latitude Cortrol Main Cross bar 6 DLC Main Crossbar Atacho ent Screws Fig 14 Telescope On Wedge Figure 14 Telescope on Wedge toc 4 Magnetic Compass for 7 8 Equatorial Wedge and 10 12 Superwedge The magnetic compass helps the observer to set up the telescope without actually seeing the pole star Polaris This allows setting up before dark or in locations where the view of Polaris is obstructed The magnetic compass has an adjustment to compensate for the local angle of Magnetic Declination Note Magnetic Declination is the difference between Magnetic North which the compass shows and true north where the telescope should be pointed Magnetic Declination should not be confused with the astronomical term Declination which when used with Right Ascension describes the celestial coordinate system toc a Setting Magnetic Declination In order to obtain an accurate reading using the compass you must first adjust for the Magnetic Declination for your location http www meade com manuals Ix200 apxa h
62. d a replaceable standard 1 0 amp slow blow fuse 1 Fig 28 The long life lithium battery Panasonic CR2032 3 volt or Duracell DL2032B is stored behind the front panel of the Drive Base The battery does have to be changed every few years and is done so by unthreading the four phillips head screws that secure the Front Panel to the Drive Base Then with a thin flat head screw driver lift the small coin size battery out of its holder The new battery simply slides in place See the illustration below The 1 amp slow blow fuse will sacrifice itself to protect the LX200 electronics in the event that the telescope is prevented from completing a GO TO function e g the tube runs into something that keeps it from slewing The illustration below shows the location of the fuse 1 Fuse 2 Battery Fig 28 Reverse Side of Power Panel toc 5 Factory Servicing and Repairs Meade LX200 7 8 10 and 12 models have been designed and manufactured for years of trouble free operation and repairs should rarely be necessary If a problem does occur first write or call our Customer Service Department Do not return the telescope until you have communicated with us in this way since the great majority of the problems can be handled without the return of the telescope to us However should the occasion arise that the instrument requires factory servicing a Meade Instruments Customer Service Representative will issue a Return Goods Authorization RGA numb
63. de and the Meade logo are trademarks registered with the United States Patent Office and in principal countries throughout the world Copyright 2002 Meade Instruments Corporation All Rights Reserved This material may not be reproduced in any form without permission http www meade com manuals Ix200 g html 16 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Meade Instruments Corporation Telescopes Binoculars Microscopes Meade LX200 Instruction Manuals 7 Maksutov Cassegrain Telescope 8 10 and 12 Schmidt Cassegrain Telescopes H MAGNIFICATION AND FIELD OF VIEW toc 1 Magnifications IMPORTANT NOTICE Never The magnification or power of the telescope depends on two kn use a telescope or spotting optional characteristics the focal length of the main telescope and A E umiaa e the focal length of the eyepiece used during a particular observation WARN ING the apie traction of a For example the focal length of the LX200 7 f 15 is fixed at second will cause irreversible damage 2670mm teh focal length of the LX200 8 f 10 telescope is fixed at to your eye as well as physical damage 2000mm the focal length of the 10 f 10 telescope is fixed at to the telescope or spotting scope itself 2500mm and the focal length of the 12 f 10 telescope is fixed at 3048mm To calculate the power in use with a particular eyepiece divide the focal length of the eyepiece into the foca
64. de com manuals x200 d html 8 of 10 7 29 2002 7 27 54 AM Meade Instruments Corporation Meade LX200 Instruction Manuals toc 2 Library Object Keys While in any of the 5 main Keypad displays you can directly access the library objects by using the M STAR or CNGC keys see Appendix D of this manual for a listing of the 64 359 Object Library Simply press an object key and type in the number of the object desired followed by ENTER For example a good first object for the first part of the year is M42 the Great Orion Nebula Press the M key the 4 key the 2 key and finally the ENTER key The display will show data on the object name rating object type brightness and size Now press GO TO The telescope will automatically slew to M42 If the object entered is not above the horizon the Keypad Hand Controller will display the message OBJECT BELOW HORIZON Other good first objects if above the horizon are any of the M objects from M1 to M 110 and the planets To find a planet enter OBJECT LIBRARY PLANET LEGEND PLANET MERCURY VENUS MARS JUPITER SATURN URANUS NEPTUNE PLUTO STAR 901 902 904 905 906 907 908 909 If the planet is too close to the Sun for safe viewing closer than 15 the Keypad will display a message to that effect toc 3 Daytime Slewing Some amateurs may want to use the slewing feature of the LX200 to locate the planets or other astronomical objects during t
65. degree 30 arc minutes or 1800 arc seconds Each arc minute is 60 arc seconds and there are 60 arc minutes for each degree of sky http www meade com manuals Ix200 g html 12 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Some beginning observers have a tough time discerning objects less than about 1 arc minute in size unless it is a double star or a planet Astrophotographers and those involved with CCD imaging may want to set a higher value based off of desired image scale coverage that would be most impressive with different films or types of CCD cameras Enter the new value in arc minutes then press ENTER to exit to the option file toc e SMALLER The SMALLER menu file option is the upper size object limit At power up the setting is for 200 arc minutes or 3 33 degrees This setting is high enough to cover the largest objects in the OBJECT LIBRARY You may want to lower the value because of true field of view limitations of a particular eyepiece see the RADIUS parameter option for calculating true field Other reasons for limiting the value in SMALLER is for astrophotographic or CCD imaging requirements where we don t want the object to exceed the imaging area of the film or the CCD chip toc f BRIGHTER The lower brightness limits based on stellar magnitude can be limited in the BRIGHTER menu file option At power up the magnitude value is set to a very faint level of 20 0 Y
66. disabled To activate the HP mode select the high precision option from the TELESCOPE menu option 9 When selected HIGH PRECISION will change to all upper case letters When HP is active the LX200 automatically does several things whenever a GOTO is initiated 1 HP will search the alignment star database and find the three closest stars to the object or position entered This process takes about 10 seconds and the keypad displays HIGH PRECISION Searching 2 The telescope will slew to the nearest alignment star These are all bright brighter than 3rd magnitude stars and far enough apart to insure that there will only be one in the field of view 3 The keypad display will display Center STAR XXXX then press GOTO Using a reticle eyepiece center the star in the field of view Or center the star on the CCD chip if using a CCD camera Press GOTO when the star is centered http www meade com manuals Ix200 g html 8 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Note If this star is not in the field of view or if it is obstructed by a land object the other two stars are available Use the PREV and NEXT keys to cycle through the three closest stars 4 The telescope will slew to the selected object or position toc 10 SLEW RATE Option 10 in the TELESCOPE menu is for changing the slew rate of the LX200 telescope Slowing down the slew rate will result in le
67. e number keys to enter your Longitude as above When complete the display will look like Display T 8 Press ENTER to complete the site information input The display will go back to Display 3 http www meade com manuals Ix200 d html 4 of 10 7 29 2002 7 27 54 AM Meade Instruments Corporation Meade LX200 Instruction Manuals 9 Press MODE to go back to Display 2 10 Press MODE again to go back to Display 1 It is important to note that the longitude standard used in the LX200 starts at 0 in Greenwich U K and increases Westerly only to 359 59mins Many maps will show Easterly longitudes which cannot be entered into the Keypad Display As an example if your map indicates that you are at an Easterly longitude of 18 27mins then you would enter 341 33mins Do not be concerned with differences in longitude and latitude as they pertain to different map spheroid projections those minor differences are too small to adversely affect the longitude and latitude data input toc 2 Local Time and Date LOCAL SIDE 24 30 1 Display amp 31 38 02 The local time should be set as accurately as possible using the 24 hour format The local time and date are used to determine sidereal time star time and the pointing accuracy of the Ea telescope will depend on the accuracy of the time entered Display Bares E 1l Sra Choose a reliable source as a reference for accurate time such as your local airport or telephone comp
68. e the correct orientation as shown in Fig 1 and position the threaded rod back through the tripod head Place the clip retainer a C clip into the slot in the threaded rod This clip holds the threaded rod in place See Fig 2 Position the spreader bar so that the 3 arms of the spreader bar are lined up with the 3 tripod legs Place the entire telescope as shown in Fig 3 onto the top of the tripod head and thread the threaded rod into the central threaded hole in the bottom of the drive base of the telescope Tighten the tension knob 3 Fig 1 firm tightening of the tension knob is sufficient to result in rigid positioning of the tripod legs To vary the tripod height loosen the 6 lock knobs slide the 3 inner tripod leg sections out to the desired height and firmly re tighten but do not overtighten the 6 lock knobs To collapse the tripod after removing the telescope and equatorial wedge if applicable for storage follow these steps 1 Rotate the spreader bar 60 from its assembled position so that one spreader bar arm is located between each adjacent pair of tripod legs 2 At the base of the tripod is a 3 vane extension strut system with a circular hub at its center 7 Fig 1 Grasp the tripod head 1 Fig 1 with one hand and with the other hand pull directly up on the central hub of the extension strut system This operation will cause the tripod legs to move inward to a collapsed position PRECAUTIONARY NOTES
69. eade Instruments Corporation Meade LX200 Instruction Manuals s dealer support ite map The name Meade and the Meade logo are trademarks registered with the United States Patent Office and in principal countries throughout the world Za Copyright 2002 Meade Instruments oration All Rights Reserved This material may not be reproduced in any form without permission http www meade com manuals Ix200 f html 4 of 4 7 29 2002 7 27 57 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Meade Instruments Corporation Telescopes Binoculars Microscopes Meade LX200 Instruction Manuals 7 Maksutov Cassegrain Telescope 8 10 and 12 Schmidt Cassegrain Telescopes G MODE FUNCTIONS To view the separate modes within the LX200 system press the IMPORTANT NOTICE Never MODE button located between the ENTER and GO TO keys at the use a telescope or spotting top of the hand controller Simple entry and editing of information in JNJ scope to look at the Sun the different modes contained within the system will customize the uar rugl OOServing the Sun even for 7 the shortest fraction of a operation of your LX200 to perform virtually any of your observing second will cause irreversible damage requirements Better still all of the critical information such as time to your eye as well as physical damage location alignment type and many other functions are kept in to the telescope or spotting sc
70. eade LX200 Instruction Manuals the fast focus speed for the electric focuser accessory option while CNTR and GUIDE set the slow focus speed There are other special functions for the CNTR and GUIDE keys that are discussed in the RET KEY operations toc 6 RET Key Typically used for guiding the LX200 during an astrophotograph the RET key 5 Fig 6 is used to change the brightness and pulse rate of the optional corded style illuminated reticle eyepiece Pressing either the PREV and NEXT up and down arrow keys while holding down the RET key alters the reticle brightness level up or down When guiding on very faint stars you may find it helpful to pulse the light from the LED so that the reticle crosshairs blink on and off You will be able to adjust the reticle brightness as well as adjust the pulse rates There are three pulse rates that can be used all with a one second pulse interval The continuous illumination control and pulse rates are set by holding down the RET key and pressing one of the following keys GUIDE 100 on no pulsing CNTR 50 on 50 off MAP 25 on 75 off CNGC 10 on 90 off toc 7 FOCUS Key The FOCUS key 9 Fig 6 allows 2 speed electric focus control of the optional Meade 1206 Electric Focuser or equivalent corded electric focusers such as the Meade Model 1200A To activate press either the SLEW or FIND key for fast focusing or the CNTR or GUIDE key for slow focusing press and ho
71. ects are essentially fixed and their apparent motion is caused by the Earth s axial rotation During any 24 hour period stars make one complete revolution about the pole making concentric circles with the pole at the center By lining up the telescope s polar axis with the North Celestial Pole or for observers located in Earth s Southern Hemisphere with the South Celestial Pole See section G Mode Functions astronomical objects may be followed or tracked simply by moving the telescope about one axis the polar axis In the case of the Meade LX200 7 8 10 and 12 Schmidt Cassegrain telescopes this tracking may be accomplished automatically with the electric motor drive If the telescope is reasonably well aligned with the pole therefore very little use of the telescope s Declination slow motion control is necessary virtually all of the required telescope tracking will be in Right Ascension If the telescope were perfectly aligned with the pole no Declination tracking of stellar objects would be required For the purposes of casual visual telescopic observations lining up the telescope s polar axis to within a degree or two of the pole is more than sufficient with this level of pointing accuracy the telescope s motor drive will track accurately and keep objects in the telescopic field of view for perhaps 20 to 30 minutes h r EIL Little Dipper Y Polaris a A a m Cassiopeia Big Dipper Begin polar aligning the
72. ed if using the UNKNOWN site toc a Entering Basic Information In order for the LX200 to make the conversions between the stellar coordinate system R A and Declination and the Altazimuth coordinate system Altitude and Azimuth it needs to know three pieces of information This information only needs to be entered one time the LX200 remembers the data even when the power is off http www meade com manuals Ix200 d html 3 of 10 7 29 2002 7 27 54 AM Meade Instruments Corporation Meade LX200 Instruction Manuals toc 1 Latitude and Longitude of the Observing Site TELESCOPE Display 3 OBJECT UBRARY NOTE The SITE information cannot be entered if the telescope is in LAND mode If the telescope is in LAND mode 1 SITE the SITE menu option Display 2 below will appear in lower Disphay 2 s ALIGN case letters Follow steps 4 8 to change the telescope s operation to Altazimuth ALTAZ mode before proceeding Dispkay 3 754 R Y You should find the position of your observing site to within 1 or 2 minutes of arc in both latitude and longitude Many automobile pilot and topographical maps as well as most atlases show Display 4 3 AAA Ww latitude and longitude in 15 minute increments or better The JAAA accuracy of the LX200 will depend on how close you get so take a little time to get as accurate as you can g sLAT 400 oc Depen LONG 000 of Once the above information is determined it can be entered into the
73. ed when activated To cover the entire visible sky it will make 31 strip divisions about 12 degrees wide moving from West to East from the North Pole to the South Pole then South to North Once it has found all of the CNGC objects it will repeat its sequence until new objects are visible Press the ENTER key and the hand control will display the first object in its finding sequence This first object is selected by the LX200 based off of where the instrument is pointing in the sky when you entered START FIND To point your LX200 to the object displayed press the GO TO key and it will slew to the object While in the START FIND option you can either choose the next object in line or skip it as you wish In order to find the next object in sequence press the NEXT key and the display will read the new CNGC object If you do not wish to view this object you can skip it by pressing NEXT again If you wish to return to a previously viewed object press the PREV key until the desired catalog number is displayed and press the GO TO key If you have set some limitations in the PARAMETERS option it will only find those objects within your chosen confines If you find that the object is not well centered in the eyepiece after executing a GO TO due to poor leveling improper time input or errors in site location center the object then press and hold the ENTER key until the display reads Coordinates Matched This feature in essence synchronizes the LX20
74. elescope 2 Point the telescope with the motor drive running at a moderately bright star near where the meridian the North South line passing through your local zenith and the celestial equator intersect For best results the star should be located within 30 minutes in R A of the meridian and within 5 of the celestial equator Pointing the telescope at a star that is straight up with the Declination set to 0 will point the telescope in the right direction 3 Note the extent of the star s drift in Declination disregard drift in Right Ascension http www meade com manuals x200 apxb html 4 of 6 7 29 2002 7 28 16 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Polaris Fig 22 Mount Too Far Gast Fig 23 Mount Too For West a If the star drifts South or down the telescope s b If the star drifts North or up the telescope s polar axis is pointing too far East Fig 22 polar axis is pointing too far West Fig 23 4 Move the wedge in azimuth horizontally to effect the appropriate change in polar alignment Reposition the telescope s East West polar axis orientation until there is no further North South drift by the star Track the star for a period of time to be certain that its Declination drift has ceased Please note that Figs 22 23 24 and 25 show the telescope pointed in the 90 degree position and not the 0 degree position that is required for Drift method alignment This is done
75. er and give you full instructions on how to use it Product returned without the RGA may greatly delay any servicing or repairs When telephoning or writing please explain the exact nature of the problem so that we may offer a prompt remedial procedure Be sure to include your full name address phone and fax numbers where you can be reached Should you live outside of the United States contact your Authorized Meade Distributor from where you purchased the instrument You can reach the Meade Instruments Customer Service Department either by mail phone or fax at Meade Instruments Corporation 6001 Oak Canyon Irvine CA 92620 4205 telephone 714 451 1450 or telefax 714 451 1460 Outside of the U S A dial your International Access Code then 1 then the ten digit number above in the 714 area code Related Topics http www meade com manuals Ix200 apxe html 6 of 7 7 29 2002 7 28 27 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Authorized Dealers Meade 8 AND 10 LX200 Schmidt Cassegrain Telescopes Meade 7 LX50 and LX200 Maksutov Cassegrains Meade 12 LX200 Schmidt Cassegrain Accessories for Meade LX Series Catadioptric Telescopes Index of Instruction Manuals General Catalog Index Meade Product Repair and Warranty Information home about meade product information dealer referral gallery customer support investor relations dealer support employment opportunities site map
76. er the telescope is turned off There is of course a way to erase any training given to it at your command The SMART menu has five options They are LEARN UPDATE ERASE DEC LEARN and DEC CORRECT To use the Smart Drive the LX200 must be mounted with the optional Equatorial Wedge see Appendix A equipped with an illuminated reticle eyepiece and used in the POLAR align menu selection Be sure to train the Smart Drive in the 60 1 Hz Quartz setting that the LX200 will be automatically set at power up Thereafter you can adjust this setting in the TIMER FREQ mode and still enjoy the periodic error correction Once a polar alignment has been completed your LX200 will point to a bright star overhead that will be near the Celestial Equator This will be a good star to train the Smart Drive on You can of course move to another star just as long as you are near 0 degrees in declination and more or less overhead in Right Ascension Now is good time to set the brightness and or the pulse rate see section E The LX200 Keypad of the illuminated reticle on the guide star and practice guiding for a few minutes To actually begin training the Smart Drive move the LCD arrow to LEARN by using the PREV or NEXT key and press ENTER There will be numbers that will appear next to the LEARN display that will begin counting down to zero The highest number that can appear is 240 The period of the worm is eight minutes and the number represents a sector of the w
77. ew should be threaded in about 3 full turns not fully threaded into the hole http www meade com manuals Ix200 apxa html 6 of 14 7 29 2002 7 28 13 AM Meade Instruments Corporation Meade LX200 Instruction Manuals 1 Tilt Plate 6 Yermier Pointer 2 Attach ent Screw 7 Bubble Level 3 Latitude Scale 8 Fine Latitude Cortrd Knob 4 Wedge Body 3 Azimuth Contd Knob 5 Tilt Ande Adustmnert Screw Fig 10 Superwedge for 10 L4o00 Telescope Check that the knobs or bolts at the side of the wedge 5 Fig 8 or 5 Fig 10 are firmly tightened before placing the telescope onto the wedge 1 Wedge Atach ent Holes 2 Altazinn uth Attachment Hole i 2 15 thread Fig 13 Underside of the Dre Base Figure 13 Underside of the Drive Base Grasping the 2 fork arms of the telescope firmly with the power panel towards you place the telescope http Awww meade com manuals lx200 apxa html 7 of 14 7 29 2002 7 28 13 AM Meade Instruments Corporation Meade LX200 Instruction Manuals onto the tilt plate of the wedge by sliding the knob 7 and 8 LX200 or screw 10 and 12 LX200 into the slot at the top of the curved end of the wedge tilt plate Insert the 2 remaining knobs for the 7 and 8 LX200 or socket screws for the 10 and 12 LX200 through the underside of the tilt plate and into the underside of the drive base Tighten down all 3 knobs or screws to a firm feel Extreme force is not necessary in this regar
78. f aluminum 3 2 Azimuth Knobs 4 2 8 32 x 1 2 flat head machine screws 5 2 8 32 x 1 round head machine screws To attach the Azimuth Control to your wedge and tripod follow these steps Fig amp Azmuth Control 1 Remove the 4 set screws from the wedge and field tripod which plug the attachment holes using a screwdriver 2 Attach the Azimuth Arm to the Equatorial Wedge using the 2 ea 8 32 x 1 2 flat head machine screws http www meade com manuals x200 apxa html 2 of 14 7 29 2002 7 28 13 AM Meade Instruments Corporation Meade LX200 Instruction Manuals 3 Attach the Azimuth Base to the Field Tripod using the 2 ea 8 32 x 1 round head machine screws 4 Thread the two Azimuth Adjustment Knobs into the Azimuth Base until they just touch the Azimuth Arm The Azimuth control is now ready to use To adjust in Azimuth loosen the 3 central wedge knob Rotate the wedge by using the two Azimuth knobs in a push pull manner After positioning the wedge tighten the central wedge knob toc b Deluxe Latitude Adjuster The Deluxe Latitude Adjuster DLA attaches directly to the Equatorial Wedge and permits very precise adjustments in latitude angle by the simple turning of one knob The Equatorial Wedge for Meade 7 or 8 Schmidt Cassegrain telescope is shipped with the main crossbar of the DLA already installed Loosen the two socket head screws that lock the main crossbar in place to allow the crossbar to rota
79. ght 1 A Dust Seal Eyepieces diagonals and other accessories are best kept in plastic bags and stored in cases such as the Meade 50 Accessory case All of the non optical surfaces of the LX200 should be cleaned routinely with a soft rag and alcohol to prevent corrosion The cast metal surfaces and the individual exposed screws can also be kept looking new and corrosion free by wiping them down with a water displacement solution such as WD 40 Take care not to smear the solution onto any optical surface and to wipe up any excess solution with a clean dry cloth The painted tube can be polished with a liquid car polish and a soft rag Surprisingly the most common telescope maintenance error is cleaning the optics too often A little dust on any of the optical surfaces causes virtually zero degradation of optical performance It should be of no concern whatsoever to see some small particles on the inside or outside of telescope optics Should the optics get more dust on them than you would care for simply use a photographic grade camel hair brush with very gentle strokes You can also blow off dust with an ear syringe available from a local pharmacy There is a point however when the optics must be cleaned This is when you can easily tell that there is a thin layer of fine particulates that make the optics look very slightly hazy To clean the optics we must suggest that you make your own lens cleaning solutions since it is impossible to kn
80. ghtness control and on off pulsing rates to be set from the LX200 Keypad toc 9 Focuser Connector The Focuser connector 4 Fig 7 accepts optional accessory corded plug in style electric focusers such as the Meade 1206 Electric Focuser to allow electric focus adjustment control from the LX200 Keypad toc 10 RS 232 Connector The RS 232 connector 2 Fig 7 allows personal computer interface to allow communications at 9600 baud to access every feature of the LX200 Keypad In Appendix F of this manual is a wiring schematic to make your own RS 232 connector cord a cord test program a demonstration program and the LX200 Command Set for writing programs Meade Instruments supplies this information for professional programmers Meade Instruments Corporation does not offer support or advice for writing software for the RS 232 option toc 11 Aux Connector The Auxiliary connector 3 Fig 7 is used for the 7 Maksutov fan power See the current Meade Telescope Systems and Accessories Catalog Related Topics Authorized Dealers Meade 8 AND 10 LX200 Schmidt Cassegrain Telescopes Meade 7 LX50 and LX200 Maksutov Cassegrains Meade 12 LX200 Schmidt Cassegrain Accessories for Meade LX Series Catadioptric Telescopes Index of Instruction Manuals General Catalog Index Meade Product Repair and Warranty Information http www meade com manuals Ix200 f html 3 of 4 7 29 2002 7 27 57 AM M
81. gnment of the Optical System Adjusting the Right Ascension Lock Behind the Power Panel Factory Servicing and Repairs Related Topics Authorized Dealers Meade 8 and 10 LX200 Schmidt Cassegrain Telescopes Meade 7 LX50 and LX200 Maksutov Cassegrains Meade 12 LX200 Schmidt Cassegrain Accessories for Meade LX Series Catadioptric Telescopes Index of Instruction Manuals General Catalog Index Meade Product Repair and Warranty Information home about meade product information dealer referral gallery customer support investor relations dealer support employment opportunities site map The name Meade and the Meade logo are trademarks registered with the United States Patent Office and in principal countries throughout the world Copyright 1998 Meade Instruments Corporation All Rights Reserved This material may not be reproduced in any form without permission http Awww meade com manuals Ix200 index html 4 of 4 7 29 2002 7 27 42 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Meade Instruments Corporation Telescopes Binoculars Microscopes Meade LX200 Instruction Manual 7 Maksutov Cassegrain and 8 10 and 12 Schmidt Cassegrain Telescopes A INTRODUCING THE MEADE LX200 As a new LX200 owner you are preparing for a journey into the IMPORTANT NOTICE Never universe with the most adv
82. he daytime If not done correctly this can be very dangerous The LX200 knows where the planets are in relation to the Sun but the telescope does not know where the Sun actually is When the GO TO button is pushed the telescope will slew to the object by the most direct route which may move directly over the Sun Use extreme caution before using the GO TO feature of the telescope to locate objects in the daytime Looking into the telescope or viewfinder even for the shortest fraction of a second with sunlight entering the optics will cause instant and irreversible eye damage The telescope itself may also suffer serious damage if it is pointed at or near the Sun A responsible adult should supervise every aspect of telescope operation when children are observing in the daytime Use the following procedure to safely locate objects during the daytime whether by manual slewing using the N E W S keys or using the GO TO key 1 Before allowing the telescope to move place the dust covers on the main telescope and viewfinder or remove the viewfinder from the telescope completely This will keep the Sun s damaging light out of the telescope should it move across the Sun 2 Press the GO TO button or manually move the telescope 3 After the telescope has stopped moving visually check the telescope s position to be sure it is not http www meade com manuals x200 d html 9 of 10 7 29 2002 7 27 54 AM Meade Instruments Corporatio
83. hout permission http www meade com manuals x200 apxa h 14 of 14 7 29 2002 7 28 13 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Meade Instruments Corporation Telescopes Binoculars Microscopes Meade LX200 Instruction Manuals 7 Maksutov Cassegrain Telescope 8 10 and 12 Schmidt Cassegrain Telescopes APPENDIX B EQUATORIAL USE toc 1 Celestial Coordinates Declination and Right Ascension IMPORTANT NOTICE Never Analogous to the Earth based coordinate system of latitude and use a telescope or spotting longitude celestial objects are mapped according to a coordinate ae toWook at the Sun bserving the Sun even for system on the celestial sphere the imaginary sphere on which all WARN INE the shortest fraction of a stars appear to be placed The Poles of the celestial coordinate second will cause irreversible damage system are defined as those 2 points where the Earth s rotational to your eye as well as physical damage axis if extended to infinity North and South intersect the celestial to the telescope or spotting scope itself sphere Thus the North Celestial Pole is that point in the sky where an extension of the Earth s axis through the North Pole intersects the celestial sphere In fact this point in the sky is located near the North Star or Polaris On the surface of the Earth lines of longitude are drawn between the North and South Poles Similarly lines of latitude
84. iewfinder and CNTR to center the star in the eyepiece When the star is centered press ENTER The telescope is now aligned and fully functional and will automatically begin to track objects From this point on make all telescope movements by use of the Keypad Hand Controller Manual movements by loosening the Dec or R A locks will cause the LX200 to lose position requiring realignment toc c Using the Telescope toc 1 The MODE Key The LX200 has 5 basic Keypad Hand Controller displays and the MODE key is used to move between them The 5 modes are 1 Telescope Functions The TELESCOPE mode is where all telescope functions are changed or activated and the OBJECT LIBRARY is where the features of the object library are accessed 2 Telescope Position The first display shows the RA and DEC telescope position in stellar coordinates and the second display accessed by pressing the ENTER key shows the telescope position in ALTAZ coordinates 3 Time and Date The first display shows local time and Sidereal time and the second display accessed by pressing the ENTER key shows the date 4 Timer and Freq This display is a countdown timer and allows the user to change drive rates These are advanced features 5 All Off This mode simply turns off all displays and backlighting You can also adjust the backlighting brightness by pressing the ENTER key and using the PREV and NEXT keys to adjust the brightness http www mea
85. ignment As an aside procedure during your first use of the telescope you should check the calibration of the Declination setting circle see 3 Fig 3 located at the top of the left fork arm After performing the polar alignment procedure center the star Polaris in the telescope field Loosen slightly the knurled central hub of the Declination setting circle Now turn the circle unit until it reads 89 2 the Declination of Polaris and then tighten down the knurled knob avoiding any motion of the circle Also realize should you wish to use the manual setting circles that the R A Setting Circle 10 Fig 3 must be calibrated on the current Right Ascension of a star see Appendix C manually every time the telescope is set up The R A Setting Circle has two sets of numbers the inner set is for Southern hemisphere use while the other is for Northern hemisphere use Once the latitude angle of the wedge has been fixed and locked in according to the above procedure it is not necessary to repeat this operation each time the telescope is used unless you move a considerable distance North or South from your original observing position Approximately 70 miles movement in North South observing position is equivalent to 1 in latitude change The wedge may be detached from the field tripod and as long as the latitude angle setting is not altered and the field tripod is leveled it will retain the correct latitude setting when replaced on the
86. ill cause the LX200 to lose alignment When the telescope is out of balance the LX200 will draw more current when slewing in the heavy http www meade com manuals x200 g html 7 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals direction Also the Declination motor will sound different After selecting option 8 watch the Ammeter and listen to the Declination motor to determine when the LX200 is balanced toc 9 HP High Precision Pointing The High Precision Pointing HP feature of Meade LX200 Schmidt Cassegrain telescopes allows for very precise pointing of the telescope By incorporating the unique LX200 SYNC command 0 3 arc sec resolution encoders and high speed DC servo motors observers can now place objects in the telescope s field of view with 1 arc minute or better pointing accuracy making critical image placement applications such as CCD imaging possible toc a LX200 Pointing Accuracy Normal telescope pointing accuracy is better than 5 arc minutes when doing a casual alignment which is more than accurate enough for many observing applications A casual alignment is one that uses the UNKNOWN SITE or one that is done without the use of a reticle eyepiece to EXACTLY center the alignment stars This type of alignment will put objects into the field of view of most eyepieces and is more than adequate for almost any visual observing application A critical alignment w
87. ill improve the pointing accuracy of the telescope to 2 arc minutes or better This type of alignment requires accurate SITE information time date proper selection of the two alignment stars and a reticle eyepiece to exactly center the alignment stars These steps generally require only a few extra seconds to accomplish and improve the telescope s positioning by a substantial amount Using the critical alignment will provide telescope positioning suitable for all but the most demanding pointing applications including CCD imaging with larger chip cameras like the Meade Pictor 416 and Pictor 1616 CCD cameras The HP feature increases the pointing accuracy of the LX200 to 1 arc minute or better and also requires the critical alignment procedure described above This alignment procedure will yield the best pointing accuracy possible placing images of objects onto the active area of the even the smallest CCD cameras available It should be stressed that for most applications using the HP feature is NOT required to get maximum enjoyment out of the telescope For an evening of simple visual observations the casual alignment is all that is required Don t let the pointing precision of the telescope become more important than the fun of observing the night sky toc b Using HP The High Precision Pointing mode requires the critical alignment described above to maximize the telescope s pointing ability The LX200 default condition is with HP
88. in the ALT display line on the Keypad display 3 Key in the desired ALT position and hit the ENTER key The blinking cursor will move to the AZ line 4 Key in the desired AZ position When the ENTER key is pressed the telescope will slew to the new position ALT 72 36 54 Ary 1581016 toc 3 Mode Three CLOCK CALENDAR The continuously operating clock and calendar is the life pulse of your LX200 At power up the telescope s accurate sidereal clock automatically allows the system computer to make orbital calculations of the planets and correct stellar precession for superior pointing ability Your accurate initial input of local time and date with its long life lithium battery back up need not be re entered every time you use the LX200 thus enhancing the user friendly aspects of the instrument To set the local time and date and to enter the correct GMT offset refer to section D QUICK START of http www meade com manuals Ix200 g html 14 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals this manual Be sure to use your local hour setting appropriately in either 12 hour or 24 hour format as predetermined by the 12 24 HOUR TELESCOPE menu file option The long life lithium battery Panasonic CR2032 3 volt or Duracell DL2032B is stored behind the Power Panel of the Drive Base See Appendix E in this manual for battery replacement information toc 4 Mode Four TIMER FREQ
89. internal gear system http www meade com manuals Ix200 d html 1 of 10 7 29 2002 7 27 54 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Releasing the Declination Lock Knob 2 Fig 4 permits sweeping the telescope rapidly through wide angles in Declination To use the Declination fine adjust or Manual Slow Motion Knob lock the telescope in Declination using the Declination Lock Knob 2 Fig 4 and turn the Declination Slow Motion Knob 1 Fig 4 With the above mechanical operations in mind select an easy to find terrestrial object as your first telescope subject for example a house or building perhaps one half mile distant Unlock the Declination Lock Knob 2 Fig 4 and R A Lock 7 Fig 3 center the object in the telescopic field of view and then re lock the Dec and R A locks Precise image centering is accomplished by using the Dec and R A slow motion controls The Focus Knob 5 Fig 3 is located at the 4 o clock position as you face the rear cell of the telescope Focusing is accomplished internally by a precise motion of the telescope primary mirror so that as you turn the focus knob there are no externally moving parts You will find that if you turn the focus knob counter clockwise you are focusing towards the infinity setting and turning clockwise is for close distance There are about 45 complete turns to go from one end of focus to the other and it is possible to focus past infi
90. ion with the appropriate optional equatorial wedge see Appendix A for instructions of the use of the equatorial wedge for long exposure astrophotography The equatorial wedge permits alignment of the telescope s Polar Axis with the Celestial Pole or North Star After removing the field tripod from its shipping carton stand the tripod vertically with the tripod feet down and with the tripod still fully collapsed see Fig 2 Grasp two of the tripod legs and with the full weight of the tripod on the third leg gently pull the legs apart to a fully open position Thread in the 6 lock knobs 2 on each tripod leg near the foot of each tripod leg Refer to Fig 1 These lock knobs are used to fix the height of the inner extendible tripod leg sections Note Firm feel tightening is sufficient over tightening may result in stripping of the knob threads or damage to the tripod legs and results in no additional strength The spreader bar 4 Fig 1 has been removed for shipment To replace first remove the threaded rod 2 Fig 1 from the tripod head 1 Fig 1 a small piece of plastic holds the threaded rod in place Remove the small plastic bag that is stapled to the threaded rod This bag contains the C clip retainer used below http www meade com manuals Ix200 c html 1 of 7 7 29 2002 7 27 50 AM Meade Instruments Corporation Meade LX200 Instruction Manuals and an extra clip Slide the spreader bar onto the threaded rod not
91. l length of the main telescope For example using the SP 26mm eyepiece supplied with the 8 f 10 the power is calculated as follows Power 2000mm 26mm 77X The type of eyepiece whether MA Modified Achromatic OR Orthoscopic SP Super Pld ssl etc has no bearing on magnifying power but does affect such optical characteristics as field of view flatness of field and color correction The maximum practical magnification is determined by the nature of the object being observed and most importantly by the prevailing atmospheric conditions Under very steady atmospheric seeing the 7 LX200 may be used at powers up to about 450X on astronomical objects the 8 LX200 may be used at powers up to about 500X the 10 LX200 up to about 600X and the 12 up to about 750X Generally however lower powers of perhaps 250X to 350X will be the maximum permissible consistent with high image resolution When unsteady air conditions prevail as witnessed by rapid twinkling of the stars extremely high power eyepieces result in empty magnification where the object detail observed is actually diminished by the excessive power When beginning observations on a particular object start with a low power eyepiece get the object well centered in the field of view and sharply focused Then try the next step up in magnification If the image starts to become fuzzy as you work into higher magnifications then back down to a lower power the atmospheric
92. lated Topics e Authorized Dealers e Meade 8 AND 10 LX200 Schmidt Cassegrain Telescopes e Meade 7 LX50 and LX200 Maksutov Cassegrains http www meade com manuals x200 e html 3 of 4 7 29 2002 7 27 56 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Meade 12 LX200 Schmidt Cassegrain Accessories for Meade LX Series Catadioptric Telescopes Index of Instruction Manuals General Catalog Index Meade Product Repair and Warranty Information home about meade product information dealer referral gallery customer support investor relations dealer support employment opportunities site map The name Meade and the Meade logo are trademarks registered with the United States Patent Office and in principal countries throughout the world Copyright 2002 Meade Instruments Corporation All Rights Reserved This material may not be reproduced in any form without permission http www meade com manuals x200 e html 4 of 4 7 29 2002 7 27 56 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Meade Instruments Corporation Telescopes Binoculars Microscopes Meade LX200 Instruction Manuals 7 Maksutov Cassegrain Telescope 8 10 and 12 Schmidt Cassegrain Telescopes F THE LX200 POWER PANEL The power panel incorporates a power switch and LED indicators IMPORTANT NOTICE Never showing power on with a current ammeter to show power draw use a telescope
93. ld the FOCUS key and then press and hold the PREV or NEXT keys for near and far focus toc 8 MAP Key The Map key 11 Fig 6 turns on and off the red LED flashlight that is located at the top of the Keypad The deep red LED light will protect your night vision while you search for a particular accessory or examine a star chart toc 9 Object Keys M STAR and CNGC These keys 10 Fig 6 allow direct access to the LX200 s Object Library any time that you are not editing a value or setting a parameter or selecting a file menu Use the Object keys when you are at a top level of a mode After pressing one of these keys the Keypad s display will give a blinking cursor allowing you to enter the catalog number for objects listed in the library see Appendix D 64 359 Object Library After entry press the ENTER key To see the entered object press the GO TO key A brief description of the catalog key symbols are M Messier objects STAR stars and planets and CNGC Computerized New General Catalog toc 10 PREV AND NEXT Keys The PREV and NEXT up and down arrow keys 12 Fig 6 move the display LCD arrow up and down the menu files and menu file options so that you may choose an individual selection to enter These keys are also used when adjusting the RET brightness range or when activating the electric focuser PREV and NEXT work as well to select the objects from the Object Library when using START FIND Next Page Re
94. les in RA and Dec handheld keypad Electronic Command Center with digital readout display permanently programmable Smart Drive 9 speed drive control on both axes GO TO controller High Precision Pointing and 64 359 object onboard celestial software library internal tube cooling fan for rapid image stabilization 25 ft power cord and adapter for telescope operation from 115v AC 8 x 50mm viewfinder eyepiece holder and diagonal prism 1 25 Series 4000 SP26mm eyepiece variable height field tripod operating instructions toc b 8 Model LX200 Includes 8 Schmidt Cassegrain optical tube assembly with EMC Super Multi Coatings D 203mm F 1280mm f 6 3 or 2000mm f 10 heavy duty fork mount with 4 dia sealed polar ball bearing quartz microprocessor controlled 5 75 worm gears on both axes and multi function power panel display on the drive base manual and electric slow motion controls on both axes setting circles in RA and Dec handheld keypad Electronic Command Center with digital readout display PPEC Smart Drive 9 speed drive control on both axes GO TO controller High Precision Pointing and 64 359 object onboard celestial software library 25 ft power cord and adapter for telescope operation from 115v AC 8 x 50mm viewfinder eyepiece holder and diagonal prism 1 25 Series 4000 SP26mm eyepiece variable height field tripod operating instructions toc c 10 Model LX200 Includes 10 Schmidt Cassegrain optical tube asse
95. lescope to 90 degrees in Declination and 00 HA Instead press the GOTO key and the LX200 will slew to the calculated position of where the pole star should be Re center the pole star in the field of view in the eyepiece using only the adjustments on the Equatorial Wedge see Appendix A in Altitude and Azimuth Press the ENTER key and the LX200 will once again slew to a bright star overhead Center this star using the N S E or W keys and press ENTER Note Pressing the MODE key at any point in the alignment routine will abort the routine and exit to the top menu After each 15 minute interval you will find that the pole star becomes more accurately centered each time You can repeat the intervals as often as you like to obtain the highest accuracy An optional illuminated reticle crosshair eyepiece makes the job of centering the star easy There may be situations when it is impossible to see the pole star due to something blocking your line of sight In such an occasion just press the ENTER key next to the POLAR option so that it has a check next to it and follow the Precise Polar Alignment instructions in Appendix B to this manual You will require the use of an illuminated reticle crosshair eyepiece to complete the task Once finished follow the steps in Fig 4 LX200 Declination Vortical System http www meade com manuals x200 g html 5 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals The
96. lf check when the LX200 is first turned on The TELESCOPE OBJECT LIBRARY mode can be thought of as command central It is here that we can select the way that we want the LX200 to perform mechanically and where we can explore and select from its extensive library of stored objects To explore either the TELESCOPE menu file or the OBJECT LIBRARY menu file move the LCD arrow to the appropriate selection by using the PREV or the NEXT key and press the ENTER key toc a TELESCOPE Menu File Below are the eleven menu selections of the TELESCOPE menu file illustrating the individual menu files and file options toc 1 SITE The SITE menu option allows you to enter up to four of your favorite viewing locations in longitude and http www meade com manuals x200 g html 1 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals latitude The entered longitude and latitude is compared by the LX200 s computer to your local time GMT offset and calendar date to accurately calculate celestial coordinates Once entered the information is stored in the telescope s internal memory you need never to re enter the same information unless you decide to change it To enter new site information or to change an old one refer to section D Quick Start You can choose any one of the four site selections at your convenience without the bother of entering longitude and latitude every time you use the LX200 Once the site i
97. lly thread in all of the stainless steel screws then one at a time snug the screws down to prevent the corrector plate from rotating in the front cell Take care not to overtighten the screws as it will stress the corrector plate lens A final check of the optical system is to inspect for proper collimation alignment of the optics toc 2 Collimation Alignment of the Optical System The optical collimation of any astronomical telescope used for serious purposes is important but in cases of the Schmidt Cassegrain design of the LX200 8 10 and 12 such collimation is absolutely essential for http www meade com manuals x200 apxe html 3 of 7 7 29 2002 7 28 27 AM Meade Instruments Corporation Meade LX200 Instruction Manuals good performance Take special care to read and understand this section well so that your LX200 will give you the best optical performance Note The 7 Maksutov Cassegrain LX200 does not require collimation For final optical tests every Meade Schmidt Cassegrain is precisely collimated at the factory before shipment Our company is well aware that through shipment and normal handling the optical alignment can be lost The design of the optical support system make the method of collimation easy to do Even the uninitiated can make an alignment of the optics to the same high precision that is performed in the Meade Instruments Optical Laboratories Fig 26 Coillimation of the Optical System 1 2 3 Se
98. mber the START FIND option can be used to logically find objects in organized strips of the sky that can be custom tailored to only show the objects you wish to see with a selection of object types size brightness etc or you can scan the sky and have the Object Library tell you what is in the field of view in the eyepiece by using the FIELD option Below is a description of the four OBJECT LIBRARY menu files and file options To access the OBJECT LIBRARY menu file move the LCD arrow to the OBJECT LIBRARY display by pressing the PREV or NEXT key while in the TELESCOPE OBJECT LIBRARY mode and press the ENTER key Now you can access the four menu selections within the OBJECT LIBRARY by moving the LCD arrow to the desired menu selection by using the PREV or NEXT keys and doing the following steps toc 1 OBJECT INFO Press the ENTER key to read the type brightness size and quality Press ENTER again to read the coordinates Press ENTER once more to determine how far off the telescope is pointing from the entered object this is displayed in LCD bars each bar is ten degrees or if it is on the object no bars This same information can also be accessed at any time by pressing the ENTER key for any object entered by the M STAR or CNGC keys Press MODE to exit to the main menu file toc 2 START FIND The START FIND option resources the CNGC objects within the Object Library and begins a logical search starting wherever the telescope is position
99. mbly with EMC Super Multi Coatings D 254mm F 1600mm f 6 3 or 2500mm f 10 heavy duty fork mount with 4 dia sealed polar ball bearing quartz microprocessor controlled 5 75 worm gears on both axes and multi function power panel display on the drive base manual and electric slow motion controls on both axes setting circles in RA and Dec handheld keypad Electronic Command Center with digital readout display PPEC Smart Drive 9 speed drive control on both axes GO TO controller High Precision Pointing and 64 359 object onboard celestial software library 25 ft power cord and adapter for telescope operation from 115v AC 8 x 50mm viewfinder eyepiece holder and diagonal prism 1 25 Series 4000 SP26mm eyepiece variable height field tripod operating instructions toc d 12 Model LX200 Includes 12 Schmidt Cassegrain optical tube assembly with EMC Super Multi Coatings D 305mm F 3048mm f 10 heavy duty fork mount with 4 dia sealed polar ball bearing quartz microprocessor controlled 5 75 worm gears on both axes and multi function power panel display on the drive base manual and electric slow motion controls on both axes setting circles in RA and Dec handheld keypad Electronic Command Center with digital readout display PPEC Smart Drive 7 speed drive control on both axes GO TO controller High Precision Pointing and 64 359 object onboard celestial software library 25 ft power cord and adapter for telescope operation
100. n Meade LX200 Instruction Manuals pointing near the Sun If there is any question in your mind that the telescope may be pointing at or near the Sun do not look through the telescope 4 Only when you are absolutely convinced that the telescope is pointing away from the Sun should you remove the telescope s dust cover and observe the object 5 Above all be careful and use common sense Observing the Sun even for the shortest fraction of a second will cause instant and irreversible eye damage Next Page Related Topics Authorized Dealers Meade 8 and 10 LX200 Schmidt Cassegrain Telescopes Meade 7 LX50 and LX200 Maksutov Cassegrains Meade 12 LX200 Schmidt Cassegrain Accessories for Meade LX Series Catadioptric Telescopes Index of Instruction Manuals General Catalog Index Meade Product Repair and Warranty Information home about meade product information dealer referral gallery customer support investor relations dealer support employment opportunities site map The name Meade and the Meade logo are trademarks registered with the United States Patent Office and in principal countries throughout the world Copyright 1998 Meade Instruments Corporation All Rights Reserved This material may not be reproduced in any form without permission http www meade com manuals x200 d html 10 of 10 7 29 2002 7 27 54 AM Meade Instruments Corporation Meade L
101. nd detect slight movements When star movements are detected signals 4 Ground from the CCD electronics make drive corrections in the 5 South LX200 to bring the star to a home position i i Most CCD autoguiding imaging cameras are supplied with a East cable which is compatible with the LX200 port If your CCD unit does not have a cable one can be obtained from the CCD manufacturer or you can make your own cable using the following table of information toc 6 Power 12vDC Connector The Power 12v DC connector 9 Fig 7 is designed to accept either the AC Converter that is supplied as standard equipment with the LX200 or the DC Power Cord that is available as optional equipment The acceptable voltage range under load is from 12 to 18 volts toc 7 Keypad Connector The Keypad connector 6 Fig 7 is a 4 pin phone jack connector socket designed to accept standard 4 pin phone jack coil cords One end of the supplied coil cord plugs into the Keypad port the other end plugs into http www meade com manuals Ix200 f html 2 of 4 7 29 2002 7 27 57 AM Meade Instruments Corporation Meade LX200 Instruction Manuals the LX200 Keypad toc 8 Reticle Connector The Reticle connector 5 Fig 7 accepts optional accessory corded plug in style illuminated reticle eyepieces such as the Meade 12mm Illuminated Reticle Eyepiece or the Meade Series 4000 Plossl 9mm Illuminated Reticle Eyepiece corded style to allow bri
102. nity Be patient during focusing as images quickly go in and out of focus with only a slight amount of turning of the focus knob Before using the telescope manually during the daytime be sure to read Daytime Slewing toc 2 Using the LX200 In Land The 7 8 10 and 12 LX200 telescopes are shipped with the microprocessor set to Land the align menu option you will wish to use to view terrestrial objects In this menu option 4 different motion speeds are active allowing the telescope to be moved electronically by means of the Keypad To use the telescope in Land follow these steps 1 Loosen the Dec Lock Knob 2 Fig 4 and position the optical tube assembly approximately level so that the Dec Circle 3 Fig 3 reads 0 Retighten the Dec Lock Knob 2 Loosen the R A Lock 7 Fig 3 and rotate the telescope so that the R A Pointer 9 Fig 3 and the Hour Angle HA Pointer 16 Fig 3 are approximately in line with each other This will position the fork arms so that they are parallel to the Power Panel 11 Fig 3 Tighten the R A lock The above two steps are not necessary for the telescope to work so don t worry about having to get it exactly right The telescope has some illegal positions places where the telescope will not go and these two steps insure proper operation 3 After setting up the telescope plug in both coil cords with the Keypad one of the supplied power sources either the AC Wall Adapter Power
103. ns to the telescope position by using the N S E and W keys When making these corrections the R A motor will speed up or slow down by pressing the E and W keys The Declination motor however when activated by pressing the N and S keys will actually stop and reverse direction Because of backlash in the Declination motor gearbox there will be a few seconds delay before the telescope begins to move when reversing direction The Dec backlash feature compensates for the Dec motor gearbox backlash and provides instant telescope movement when the motor direction is reversed Note this feature is only available in the POLAR mode To program the Dec backlash use the following procedure 1 Move to option 11 from the TELESCOPE menu The Keypad display will show p gt 11 BACKLASH 00 The 00 in the display shows the number of arc seconds of backlash the LX200 is set to compensate for the default setting is 0 arc seconds 2 While observing a star at high power time the Declination movement delay when reversing the motor directions by pressing the N and S keys Typical values are 2 to 4 seconds 3 The GUIDE speed for the Declination motor is 15 arc seconds per second Therefore multiply the number of seconds delay by 15 4 Press and hold the ENTER key for 1 second The Keypad will beep and a blinking cursor will appear on the Keypad display Enter the number determined in step 3 above Press ENTER when the number i
104. nsity light passes through the Schmidt corrector plate most about 98 of it is transmitted through while the rest of the light scatters through the glass As the light hits the mirrored surfaces most about 94 of it is reflected back while the rest of it scatters across the coatings The total amount of scattered light will be significant and its effects allow you to see microscopic details that are normally invisible to the unaided eye These anomalous details are real but their combined effects will in no way impose limits on the optical performance even under the most demanding observing or imaging criteria toc 4 Caution All LX200 Owners Serious damage to the drive gears may result from shock in handling while transporting or commercially shipping the LX200 should the R A Lock 7 Fig 3 and or the Dec Lock 2 Fig 4 be left engaged Always release the locks when storing in the optional case or when crating for commercial shipment to allow the telescope to give if the shipping container is sharply jarred or dropped Also the optical and mechanical axes of all LX200 telescopes have been carefully aligned at the factory to ensure accurate object pointing Do not loosen or remove the fork arms or optical tube assembly from the drive base the resulting misalignment of the axes will result in inaccurate slewing of the telescope in the GO TO mode toc 5 Caution 10 and 12 LX200 Owners Do not attempt to turn the focuser kn
105. nter the appropriate number as indicated below OBJECT LIBRARY PLANET LEGEND PLANET MERCURY VENUS MARS JUPITER SATURN URANUS NEPTUNE PLUTO STAR 901 j902 foo4 905 foo oo7 908 909 Table 12 Object Library Planet Legend toc 7 Other Databases The other object catalogs are accessed through the CNGC key on the Keypad 1 Press the CNGC key The Keypad display will show NGC object on the first line and a blinking cursor on the second line 2 To enter a NGC object simply type in the NGC number and press ENTER as described in the LX200 Instruction Manual To enter an object from a different database press the ENTER key The Keypad display will show a new menu of the available databases 3 Select the database from the menu by moving the arrow to the selection desired and pressing the ENTER key Press MODE to exit the database menu 4 The Keypad display will ask for the object number Enter the object number desired and press ENTER The LX200 will remember the database you last accessed Each time you press the CNGC key the same object database will be displayed on the first line of the Keypad display To change databases press ENTER to bring up the database menu The STAR databases are accessed by pressing the STAR key and following the above steps Variable stars from the GCVS are entered using a six digit number The first two digits refer to the http www meade com manuals x200 apxd html 4
106. nts ten degrees of movement as shown in Display 28 If you are centered on the object already such as if you are in the FIELD menu selection or if you have already made a GO TO command in one of the other methods for finding an object the above display will be blank To review any of the data of an object continue to press the ENTER button until the desired field appears You can use the above commands at any time that you have an object entered in the Keypad while directly entering in specific objects by pressing the M STAR or CNGC keys in the START FIND menu selection the OBJECT INFORMATION menu selection or the FIELD menu selection toc 4 PARAMETERS It is here that you can edit the Press ENTER to find eight options which can be reviewed by scrolling through this menu selection by using the PREV or NEXT key To edit one of the options move the arrow to the desired option and press and hold the ENTER key until a double beep is heard and a blinking cursor appears except in the BETTER option Where numerical values are to be input simply type them in from the Keypad If you make a mistake you can move the cursor backward using the W key then re enter the data To exit to the main option menu press the ENTER key once again A description of the eight options and how to set them is below toc a TYPE GPDCO This menu file option allows you to select the type of CNGC objects that you wish to locate The symbols GPDCO represent
107. ob of the optical tube until you have read this note Next to the base of the focuser you will see a red colored slotted head bolt This bolt is used only for safety in shipment Remove this bolt before attempting to turn the focuser knob In its place insert the rubber plug provided as a dust protector this rubber plug is included with your hardware package Your focuser is now operational Warning The 10 and 12 LX200 should never be commercially shipped without this red colored bolt in place This is essential during commercial transport where rough handling may occur For your personal transport and storage you will never have to use this bolt again a TO COMMERCIALLY RE SHIP THE 10 OR 12 LX200 BE SURE TO FOLLOW THIS PROCEDURE 1 Turn the focuser knob clockwise until it stops This will bring the primary mirror all the way back in the tube 2 Remove the rubber plug and insert the red headed bolt Thread it in to a firm snug feel Do not http www meade com manuals x200 b html 2 of 3 7 29 2002 7 27 46 AM Meade Instruments Corporation Meade LX200 Instruction Manuals overtighten If you have misplaced the red headed bolt you may use any other bolt that is 1 4 20x1 long 3 When packaging the 10 or 12 LX200 be sure to release the R A Lock 7 Fig 3 and Dec Lock 2 Fig 3 to prevent shock to the gears in the motor assemblies Please note that commercial shipment of the 10 and 12 LX200 Telescope witho
108. object arc seconds http www meade com manuals x200 apxd html 2 of 6 7 29 2002 7 28 22 AM Meade Instruments Corporation Meade LX200 Instruction Manuals MAG TYPE Magnitude 5 5 through 19 9 Type of object i means object is not in the RNGC ALT CAT Alternate catalog name and number VQ Visual Quality Rating abcdefg or ABCDEFG TAGS Object Type 0 F S Sky Cat T Tirion COMMENTS Name comments other information The following types are distinguished in the CNGC TYPE LEGEND O None OPEN GLOB DNEB PNEB GAL DESCRIPTION Unverified Southern Object Open Cluster Globular Cluster Diffuse Nebula Planetary Nebula or SN Remnant Galaxy OPEN DNEB Open Cluster Diffuse Nebula ES Bl wl w e 00 None STAR MULTI STAR Non Existent Object Star Multiple Star MULTI GAL Multiple Galaxy Usually Interacting DNEB Dark Nebula in front of Diffuse Nebula GAL OPEN Open Cluster in External Galaxy GAL GLOB Globular Cluster in External Galaxy GAL DNEB Diffuse Nebula in External Galaxy jaloa we gt Table 11 CNGC Types toc 3 The Star Catalog GAL OPEN DNEB Open Cluster Diffuse Nebula in Galaxy Object is also listed in the Sky Catalogue 2000
109. onthly star charts in Appendix C pick an alignment star Look at the chart for the current month and face the direction indicated The constellations shown are easily found even in the city The charts are approximately 90 wide with the top of the chart indicating straight up If the time is after 9 00 P M then use the next month s chart Once you identify the constellation pick any of the labeled stars that is not within a 10 radius of overhead but do not choose Polaris for reasons made clear below Polaris is also known as the North Star and is shown for reference only The TELESCOPE and OBJECT LIBRARY features are accessed through a series of menus which are shown on the Keypad Hand Controller Display You can scroll up or down through the list of choices by using the PREV and NEXT keys and select the indicated menu option with the ENTER key Menu choices that are shown in lower case letters are unavailable in the current operating mode LAND ALTAZ or POLAR If you try to select a lower case menu option the Keypad Hand Controller will emit three warning beeps Three beeps always indicate an attempt to perform an invalid telescope operation When aligning in ALTAZ overhead stars can confuse the LX200 because of an illegal position that prevents the optical tube assembly from slewing past 90 Altitude to protect the viewfinder from hitting the http www meade com manuals x200 d html 7 of 10 7 29 2002 7 27 54 AM Meade Inst
110. ope itself memory even with the LX200 turned off The type of alignment the objects that you see the location that you observe from the tracking speeds of the drives all of the clock and timing functions the position information and even the brightness level of the backlit Keypad are defined by the information that you give and or the commands that you edit through five different modes of the LX200 computerized hand controller Once you have selected the desired mode you can then select the individual file within the mode by pressing the PREV or NEXT key up and down arrow key in the bottom right hand portion of the hand controller moving the LCD arrow up or down beside the file description Although you will only be able to see two menu selections at a time in the Keypad Display you will see more as you continue to press the PREV and NEXT keys When the desired file is chosen press the ENTER key to view the file s menu To choose an individual menu again use the PREV or NEXT key to run the LCD arrow up or down the file s menu To explore a menu selection again press the ENTER key In some modes there will be options for a file s menu selection in others you will only enter data At any time that you wish to return to main file heading in a particular mode just press MODE and it will behave as an exit key toc 1 Mode One TELESCOPE OBJECT LIBRARY This is the mode that the LX200 will default to after the instrument completes its se
111. open up visual and photographic capabilities heretofore undreamed of toc a Heavy Duty Mounts with 9 speed Dual Axis Electronics DC servo motor controlled worm gear drives on both telescope axes permit observatory level precision in tracking guiding and slewing The 9 speed dual axis drives cover every possible contingency of telescope positioning Press the SLEW button on the keypad controller for rapid motion of the telescope across the skies at up to 8 per sec 6 per sec for the 12 LX200 on both axes simultaneously once near the target switch instantly to the FIND speed for centering in the viewfinder at 2 per sec Observing the object in the main telescope use the CNTR speed 32x sidereal to place the object in the center of the field During long exposure astrophotography press the GUIDE button for precise corrections at 2x sidereal speed toc b Built in 64 359 Object Library Enter into the keypad any of the 110 Messier objects 7 840 of the finest NGC objects galaxies diffuse or planetary nebulae star clusters one of the 8 major planets from Mercury to Pluto one of 351 alignment stars or any one of 56 050 SAO UGC IC or GCVS objects press GO TO and the telescope automatically slews or moves to the object at up to 8 per sec centering it in the main telescope field toc c Altazimuth Mode Operation For all visual observing applications and for lunar and planetary photography Meade LX200 s may be set
112. orm wheel which will change to the next lower digit every two seconds As the Keypad display approaches sector 5 an alarm will alert you that training is http www meade com manuals x200 g html 6 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals about to commence At this point try to keep the star on the same location of the crosshair during the eight minute training sequence by pressing the N S E and W keys After eight minutes the training is over and Smart Drive will play back your drive corrections automatically dramatically improving the R A drive tracking characteristics If you wish to further refine the accuracy move the LCD arrow to UPDATE and press ENTER and follow the same instructions as above This can be done in UPDATE as many times as you wish With each training the Smart Drive will average your training sequences If you find that you have made a mistake in training e g pushed E instead of W when you should have you can eliminate the memory by moving the LCD arrow to ERASE and press ENTER A star that drifts consistently North or South during guiding can also be corrected for Move the LCD arrow to DEC LEARN and press ENTER Begin making drive corrections immediately by pressing any of the direction N S E W keys to keep the star on the crosshair of the guiding eyepiece It is suggested that you train in DEC LEARN for at least half of your intended exposure time for an
113. ou may want to adjust the magnitude level to a brighter value starting at perhaps the limiting visual magnitude of your LX200 which is approximately 14 0 for an 8 and 14 5 for a 10 If you are making astrophotographs the limiting magnitudes are about 16 5 and 17 for the eight and ten inch instruments respectively Sky conditions also greatly affect the limiting magnitude due to atmospheric haze high clouds light pollution or combinations thereof toc g FAINTER The upper level of brightness may also be adjusted with the FAINTER menu file option although you may find few applications for limiting it to a lower value toc h RADIUS The RADIUS value sets the boundaries of what and how many objects the LX200 recognizes is in a given eyepiece while in the FIELD menu selection At power up the RADIUS menu file option is set to 15 arc minutes the radius of 1 2 a degree 30 arc minutes which is about the proper setting for a 26mm eyepiece used in an 8 f 10 LX200 To calculate the true field of an eyepiece in the telescope first divide the focal length of the telescope e g 2000mm for an 8 f 10 by the focal length of the eyepiece the standard supplied eyepiece is a 26mm Super Pl ssl 2000 divided by 26 equals 77X magnification Then find the apparent field of the eyepiece which is 52 degrees for the 26mm Super Pl ssl and divide it by the magnification 52 divided by 77 equals 67 degrees multiplied by 60 equals 40 2 arc minutes To
114. ow all of the ingredients used in commercial lens cleaners Pure isopropyl alcohol 90 or better will clean most residual film buildup on optical surfaces and metal surfaces too For removing saliva marks grease fingerprints or most any oily residue the following recipe is advised 1 part pure isopropyl alcohol 2 parts distilled water and 1 drop of biodegradable liquid dishwashing soap per pint of solution This formula is safe for multi coated or even non coated optical surfaces Sprayer bottles make for convenient dispensing of the lens cleaning solutions It is advised that you avoid many of the so called lens cleaning papers many which contain fiberglass lens cloths or chamois Use a white Kleenex type tissue The tissue can be formed into smooth pillow surfaces Make several of these before starting the cleaning process If the optics are small such as viewfinders or eyepieces the tissue can be rolled to the appropriate thickness and then broken in half to create two cleaning wands Before attempting to clean an optical surface with a liquid solution it is very important that as much dust as possible is removed by using forced air and or gentle strokes with a photographic grade camel hair brush The forced air can come from a rubber ear syringe or canned compressed air from a photographic supply store Be sure to hold the canned air in a vertical position and try spraying compressed air on your hand before aiming at the optics
115. pe or structure Bright object with moderately interesting shape or structure EXECEL OR Very bright object with moderately interesting shape or structure Easy to see without averted vision with some interesting shape or structure OR Very bright object with little or no interesting shape Easy to see without averted vision with some interesting shape or structure OR Bright object but little or no interesting shape or structure Easy to see without averted vision but little or no interesting shape or structure Easy to see with averted vision Often borderline visible without averted vision A struggle to see with careful use of averted vison Not yet rated AND missing information for computer estimate OR Could not see despite careful use of averted vision All or very nearly all of the objects in the CNGC are visible with the standard instrumentation and observing conditions used to obtain the visual quality ratings It is a good indication of what can be expected with similar equipment by experienced deep sky observers in excellent sky conditions Naturally smaller telescopes and or less optimal observing conditions will lower the apparent quality of all objects The following is a description of the format of the optional CNGC listing for each object Table 10 CNGC Listings COLUMN NAME DESCRIPTION 1 CNGC CNGC 00001 through CNGC 7840 2 RA Right Ascension 3 DEC Declination 4 SIZE Size of
116. positions are recalculated This is all the information the LX200 needs to make use of all features The next steps actually align the telescope with the night sky toc b Setting Up the Telescope After the basic information has been entered into the telescope the telescope is ready to actually set up and use Follow Section A Telescope Assembly to setup the telescope outside and follow these steps 1 Using the Bubble Level 15 Fig 3 located on the telescope s drive base level the telescope Position the drive base so that the power panel faces North i e to view the power panel you must face South 2 Loosen the Dec Lock Knob 2 Fig 4 and position the optical tube assembly approximately level so that the Dec Circle 3 Fig 3 reads 0 Retighten the Dec Lock Knob 3 Loosen the R A Lock 7 Fig 3 and rotate the telescope so that the R A Pointer 9 Fig 3 and the Hour Angle HA Pointer 16 Fig 3 are approximately in line with each other This will position the fork arms so that they are parallel to the Power Panel 11 Fig 3 Lock the R A lock http www meade com manuals x200 d html 6 of 10 7 29 2002 7 27 54 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Steps 2 and 3 above are not necessary for the telescope to TELESCOPE work so don t worry about having to get it exactly right The Display 15 OBJECT LIBRARY telescope has some illegal positions places where the tele
117. r aligning the telescope check that you are using the correct stars and align again IMPORTANT Whenever using either of the two 2 Star alignment procedures at a known SITE or at an UNKNOWN SITE choosing the proper two stars will determine the pointing accuracy of the telescope Choose two http www meade com manuals x200 g html 2 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals stars that are not too close together try to use stars that are at least 90 apart Do not use Polaris as one of the stars because RA changes very fast at the Pole and minor centering errors can translate to large RA pointing errors Also avoid stars near the zenith straight up since azimuth changes very fast in this area Generally speaking choosing two stars as far apart as possible will yield very accurate pointing toc c Unknown SITE To use the LX200 telescope at an unknown location use the following procedure 1 Select site 5 UNKNOWN from the SITE menu Note This site cannot be edited like site numbers 1 4 as described on steps 4 10 2 Follow the Keypad display prompts to select and center the two alignment stars As described above the LX200 will check the accuracy of the two stars and give the Align Mismatch Check Stars message if it detects an error toc d Which Alignment Method To Use Each of the three methods described above have advantages and disadvantages The following
118. red LED flashlight You will find within a few minutes of powering up the LX200 that the Keypad becomes warm which is normal for the system The electronics utilize a heat sink as a means to provide the right operating environment temperature for the LCD display even in sub zero weather If you are indeed in these colder conditions the display may not be visible until the Keypad has transferred enough heat This process can take a few minutes upon powering up the telescope While severe cold weather is not damaging to the electronics it is advised to keep the Keypad in a warmer area to allow immediate proper display performance http www meade com manuals Ix200 e html 1 of 4 7 29 2002 7 27 56 AM Meade Instruments Corporation Meade LX200 Instruction Manuals toc 1 ENTER Key Meade The ENTER key 1 Fig 6 is used to select a menu file a file option or to edit a value To select a file or an option press and release the ENTER key The LX200 will give a short beep tone and perform the action that you have requested To edit a value press and hold the ENTER key until a double beep tone is heard and a blinking cursor appears in the display There are some other specific situations where the ENTER key is used These are described in detail where necessary From now on the two types of presses will be called press and press and hold toc 2 MODE Key The MODE key 2 Fig 6 cycles through the five modes of the LX200
119. ree 5 16 18 X 1 1 4 button head screws through the clearance slots on the wedge floor and thread them into the tripod head 5 The lower tilt plate locking screws see A Fig 11b are installed in the factory to allow the tilt plate to be adjusted for any latitude greater than 25 degrees and less than 55 degrees If viewing in a region with a latitude greater than 55 degrees move the locking bolts to the lower mounting holes see B Fig 11b toc 3 Mounting the Telescope On the Wedge 7 8 10 and 12 LX200 Models With 7 or 8 LX200 telescopes three knobs are supplied for mounting the telescope s drive base to the tilt plate of the equatorial wedge With the 10 and 12 LX200 three socket screws are provided for this purpose http www meade com manuals x200 apxa html 5 of 14 7 29 2002 7 28 13 AM Meade Instruments Corporation Meade LX200 Instruction Manuals 1 Tilt Plate 2 Wedge Bodyto Tilk Plate Attach ent Knob 3 Tilt Ange Adustrnert Knob 4 Knob for Attaching the Telescope to Tilt Plate 5 Drive Base 6 Slot for Krob 44 above 7 Holes for Additional Attachment Kro bs 5 Bubble Level 9 Manual Knob ompass for Attaching the Wedge to Field Tripod Fig 12 Pacing the Telescope on the Equatorial Wedge Thread one of these knobs or screws as appropriate partially into the hole on the underside of the drive base located at the curved end of the drive base See 4 Fig 12 This knob or scr
120. ress MODE toc 6 REVERSE NS The REVERSE NS menu seletion of the TELESCOPE file reverses the direction of the telescope in North and South movements e g when you press the N key the scope will move South or down instead of North or up This is especially useful during some guiding applications in imaging and observing To use the REVERSE NS menu move the LCD arrow to REVERSE NS and press ENTER If you wish to return the direction commands to the original setting press ENTER again toc 7 REVERSE EW The REVERSE EW menu selection of the TELESCOPE file reverses the direction of the telescope in East and West movements e g when the W key is pressed the telescope moves East This is particularly useful during some guiding applications in imaging and guiding To use the REVERSE EW menu move the LCD arrow to REVERSE EW and press ENTER If you wish to return the direction commands to the original setting press ENTER again toc 8 BALANCE When adding optional equipment to the LX200 like a heavy camera or Dewshield it is often necessary to rebalance the telescope using the Meade 1401 for 8 LX200 s 1402 for 10 LX200 s or 1403 for 12 LX200 s Tube Balance Weight Systems Selecting option 8 from the TELESCOPE menu moves the LX200 telescope rapidly up and down in Declination This provides an easy way to determine when the telescope is balanced in the Declination axis Remember loosening the Dec lock to check the balance w
121. rface of the corrector plate and secondary mirror may at some point become dirty due to particles falling inside the tube when removing or replacing the rear dust cover or threading on accessories To reduce the chance of interior contamination the Meade Skylight 1 A Dust Seal is very effective If the Dust Seal is not used it helps to have the rear cell pointed downward when replacing the rear dust cover or attaching accessories Another more serious but not damaging problem is the possibility of a hazy usually uneven film building up on the inside of the corrector plate This can be caused by environmental pollutants or temperature changes reacting with the interior paint causing outgassing or water condensation or combinations thereof It is possible to clean the interior of the optical system yourself or to have it done professionally In the case of the former take great care in handling the optics Any impact or rough handling can damage the surfaces which may require complete optical replacement at Meade Instruments at substantial cost Meade Instruments assumes no liability for damage incurred to the telescope by the customer The cleaning techniques described above are used while cleaning the interior of the optical system with one exception Do not apply cleaning solutions to the front surface mirrored optics Only use the soft camel hair brush and the suggested ear syringe for removing particles The corrector plate can be cleaned in
122. ruments Corporation Meade LX200 Instruction Manuals fork arm The LX200 will track an overhead object but it does so by moving higher in Altitude up to the illegal position then the drive speeds up and move 180 in Azimuth so that the optical tube assembly can now be lowered in Altitude to keep up with the overhead object Confusion arises because the LX200 does not know which side of 180 of Azimuth that it is on Similarly Polaris presents position problems in ALTAZ alignment because it is so close to the North Celestial Pole In this region of the sky the lines of Right Ascension are so close together that even the LX200 s high resolution encoders can yield ambiguous data In our example of January 15 we would use the January chart face Southeast and look up about 45 Orion is probably the easiest constellation to recognize and we will use the star Betelgeuse for our example Use the PREV and NEXT key to scroll through the list of alignment stars until the arrow is positioned on Betelgeuse Display 23 13 Press the ENTER key to select Betelgeuse The Keypad Hand Controller displays a message Display 24 14 Center the alignment star Betelgeuse in our example in the eyepiece of the telescope You can manually move the telescope by loosening the Dec Lock Knob and R A Lock or electrically by using the N S W and E keys If moving the telescope electrically be sure to use the speed keys SLEW to get close FIND to center in the v
123. rvations and when storing the WARN ING the shortest fraction of a equipment between observation runs can add many years of trouble second will cause irreversible damage free use to your eye as well as physical damage to the telescope or spotting scope itself Dust and moisture are the two main enemies to your instrument When observing it is advisable to always use a proper fitting Dew Shield such as the Meade 710 or 712 The Dew Shield not only prevents dew from forming and dust from settling on the corrector plate lens it prevents stray light from reducing image contrast Although dew shields go a long way to prevent moisture build up there can be times when the telescope optics will have a uniform coating of moist dew This is not particularly harmful as long as the instrument is allowed to let the dew evaporate This can be done with a hair dryer or just setting up the telescope indoors with the dust covers removed It is also advisable that you let the optional foam lined case for the LX200 dry out indoors for a day if the night was moist Packing your telescope away in a moist case can result in giving it a steam bath later Anytime the LX200 is being stored or transported be sure to release the R A and Dec Locks to prevent serious damage to the drive gears Never attempt to wipe down optics that are covered with dew Dust and dirt may be trapped with the collected dew and upon wiping the optics you may scratch them After the dew
124. s entered 5 Check the time delay as described in Step 2 above If there is still a time delay then increase the compensation number If there is a slight jump when reversing direction then the number is too large When the compensation number is correct the LX200 telescope will move almost instantly when reversing the direction in Declination This number is stored in permanent memory and should never need to be set again http www meade com manuals x200 g html 9 of 16 7 29 2002 7 28 04 AM Meade Instruments Corporation Meade LX200 Instruction Manuals toc b OBJECT LIBRARY Menu File The OBJECT LIBRARY menu file is the other half of the TELESCOPE OBJECT LIBRARY mode With it you can become a tourist of the sky or conduct research surveys of the 64 359 objects The LX200 Object Library is accessible in the most results getting user friendly system ever designed for observers and astrophotographers The position epoch of these objects is for real time updated every time you turn on your LX200 Even the planet s positions have their orbits calculated This not only qualifies the LX200 as the most accurate integrated object library available it will never require updated software for precession of the stars or planetary orbital changes There are three primary ways to use the Object Library You can directly access the library by using the M STAR or CNGC keys see section E The LX200 Keypad and entering a specific catalog nu
125. s x200 d html 5 of 10 7 29 2002 7 27 54 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Use the top row during Standard Time and the bottom row during Daylight Savings Time For example In the Pacific Time Zone during Daylight Savings Time the GMT time zone shift is 7 hours 6 Use the number keys to enter the GMT time zone shift Press ENTER when done the display will go back to Display 8 If using the LX200 East of Greenwich U K enter a minus GMT time zone shift by moving the blinking cursor backwards in the display with the W key then press the NEXT key The plus sign will change to minus Use the number keys to enter the GMT time zone shift 7 Press the ENTER key This will select the DATE display Display 12 with a random date showing Display 12 DATE 11 28191 8 Press and Hold the ENTER key until the Keypad Hand Controller beeps The display will look like Display 13 with the Display 13 blinking cursor over the first number DATE 11 2019 1 9 Use the number keys to enter the current date The display Display 14 DATE 01115192 should look like Display 14 Use the W and E keys to move the blinking cursor left and right to correct any mistakes 10 Press the ENTER key when the date is correct After you press the ENTER key the Keypad Hand Controller will display Updating planetary data The position of the planets depends on the date so anytime the date is changed the planet
126. s chosen exit the SITE menu by pressing the MODE key toc 2 ALIGN The Align menu selection of the TELESCOPE file demonstrates the unique ability to transform the LX200 into an Altazimuth celestial tracking telescope a polar equatorial celestial tracking telescope or land spotting scope with electric Altazimuth movements within three options which are ALTAZ POLAR and LAND Assuming that you have already entered correct local time and your site s latitude and longitude refer to section D Quick Start you are ready to choose a particular type of alignment by pressing the NEXT or PREV key to run the LCD arrow beside the desired option of ALTAZ POLAR or LAND and then pressing the ENTER key The display will then give you specific instructions from this point that will literally walk you through the chosen alignment type toc a ALTAZ The 2 Star initialization routines provide three options for aligning the LX200 telescope when in the ALTAZ mode Note The 2 Star initialization routines only apply to the ALTAZ alignment mode The first and second options require that you have entered the SITE and TIME information and the third option can be used when the SITE information is not known or has not been entered into the LX200 s memory toc a 1 Star with Known SITE After selecting the SITE location 1 4 move to the ALIGN menu see steps 5 9 When you select the ALTAZ alignment mode the display will give you two options 1 St
127. s offset in the ring of light Turn the set screw that you found with the pointing exercise while looking in the eyepiece You will notice that the star image will move across the field If while turning the out of focus star image flies out of the eyepiece field then you are turning the screw the wrong way Turn the opposite direction and bring the image to the center of the field If while turning you feel the screw get very loose tighten the other two screws by even amounts If while turning the set screw gets too tight unthread the other two by even amounts When you bring the image to center 3 Fig 27 carefully examine the evenness of the ring of light concentricity If you find that the dark center is still off in the same direction continue to make the adjustment in the original turning direction If it is now off in the opposite direction you have turned too far and you need to turn in the opposite direction Always double check the image in the center of the field of the eyepiece e You may find after your initial adjustment that the dark center is off in a new direction e g instead of side to side off it is off in an up and down direction If this is the case follow steps 2 through 6 as described above to find the new adjustment screw e Now try a higher power e g 9mm or less eyepiece and repeat the above tests Any lack of collimation at this point will require only very slight adjustments of the 3 set screws You now have a
128. scope will not go and these two steps ensure proper 2 SITE operation Display 46 754 ALIGN 4 Turn the telescope on After a few seconds after the self Display 17 s nian diagnostic test is complete the display will look like Display 15 1 ALTAZ 5 Press the ENTER key This selects the TELESCOPE a i le s POLAR functions The display should look like Display 16 A ALTAZ W Display 15 s 34 POLAR 6 Press the NEXT key This will move the arrow to the lower line see Display 17 1 Star or Piapay a 2 star Alignment 7 Press the ENTER key to select the ALIGN function The display will look like Display 18 If the display looks like Display Display 21 Level base then 19 with a checkmark already next to ALTAZ go to step 9 press ENTER 8 Press the ENTER key to activate the ALTAZ mode The Display 22 Se a then Keypad Hand Controller will beep and display a checkmark next P 3 to the ALTAZ see Display 19 ACHER MAR Display 24 AACR UM A 9 Press the ENTER key to use the checked mode ALTAZ The Keypad Hand Controller display will look like Display 20 Display 24 ARCTURUS BETELGEUSE 10 If you have not already leveled the telescope do so now When the telescope is level select 1 STAR or 2 STAR alignment Display 25 then pres E TER The display will look like Display 21 11 This message simply reminds you what you should do next Press ENTER to show a display like Display 22 12 Using the m
129. se You are unthreading the dew shield and it may fall off if rotated too far Refocusing the objective lens will only require a few turns of the Dew Shield at most 3 When the Dew Shield is rotated to the sharpest focus for your eye tighten the Focus Lock Ring against the Dew Shield to fix its position toc c Collimating the Viewfinder 1 Manual Slow Motion Knob 2 Declination Leek Knob 3 Declination Wom Gear Gover The viewfinder will require alignment or collimation with the main telescope Using the 26mm eyepiece point the main telescope at some easy to find land object e g the top of a telephone pole or corner of a building at least 200 yards distant Center a well defined object in the main telescope Then simply turn the 6 nylon collimation thumbscrews 2 Fig 3 until the crosshairs of the viewfinder are precisely centered on the object already centered in the main telescope With this collimation accomplished objects located first in the wide field viewfinder will then be centered in the main telescope s field of view Fig 4 LX200 Declination Vortical System toc 3 Attaching the Eyepiece Holder and Diagonal Prism or Diagonal Mirror The eyepiece holder 6 Fig 3 threads directly onto the rear cell thread of the 7 8 and 10 telescopes The diagonal prism 13 Fig 3 slides into the eyepiece holder of the 7 8 and 10 telescopes while the 2 diagonal mirror threads directly into the rear cell thread of
130. ss noise as the telescope moves and will also use a little less power To change the slew rate follow these steps 1 Press the MODE key on the Keypad until the TELESCOPE OBJECT LIBRARY menu appears on the display The cursor should be next to the TELESCOPE option if not then press the PREV key to move the cursor up one space 2 Press ENTER to select the TELESCOPE functions 3 Press the PREV or NEXT keys to move the cursor to option 10 SLEW RATE On the right hand part of the display the number 8 is displayed 6 is displayed on Version 4 34 for 12 LX200 telescopes This represents the current slew rate in degrees per second 4 Press the ENTER key to change the slew rate Each successive ENTER key press increments the slew rate by 1 degree per second 5 After setting the desired rate press the MODE key to return to the TELESCOPE OBJECT LIBRARY menu Note The slew rate is NOT stored in permanent memory and needs to be reset each time the telescope is powered up The default slew rate is 8 degrees per second on Ver 3 30 and 6 degrees per second on Ver 4 34 toc 11 DEC BACKLASH COMPENSATION When taking long exposure astrophotographs it is necessary to guide the photograph to make sure the telescope is tracking perfectly otherwise stars will appear as ovals instead of pinpoints This is done by setting the LX200 Keypad to the GUIDE speed monitoring the star location e g with an off axis guider and making small correctio
131. ssed without a full knowledge of these details toc 1 Using the LX200 Manually The easiest way to use the telescope is to operate it manually With the telescope mounted on the Field Tripod and with the diagonal prism and eyepiece in place you are ready to make observations through the telescope Even without the viewfinder if not yet installed terrestrial objects will be fairly easy to locate and center in the telescope s field of view using a low power eyepiece and gun sighting along the side of the main telescope tube By unlocking the R A Lock 7 Fig 3 the telescope may be turned rapidly through wide angles in Right Ascension R A The reason for the terminology Right Ascension and its complementary term Declination will be made clear further on in this manual For now Right Ascension simply means horizontal and Declination means vertical Fine adjustments in R A are made by turning the R A Slow Motion Control Knob 8 Fig 3 while the R A lock is in the unlocked position DO NOT ATTEMPT TO MOVE THE TELESCOPE MANUALLY IN A HORIZONTAL DIRECTION WHEN THE R A LOCK IS IN THE LOCKED POSITION The R A Slow Motion Control Knob may be turned if desired with the R A Lock in a partially locked position In this way a comfortable drag in R A is created But do not attempt to operate the R A Slow Motion Control Knob with the telescope fully locked in R A as such operation may result in damage to the
132. steadiness is not sufficient to support high powers at the time you are observing Keep in mind that a bright clearly resolved but smaller image will show far more detail than a dimmer poorly resolved larger image Because of certain characteristics of the human eye in particular eye pupil diameter and because of optical considerations inherent in the design of a telescope there exists minimum practical power levels also Generally speaking the lowest usable power is approximately 4X per inch of telescope aperture or about 28X in the case of the 7 telescope 32X in the case of the 8 telescope about 40X in the case of the 10 telescope and about 48X in the case of the 12 telescope During the daytime when human eye pupil http www meade com manuals x200 h html 1 of 3 7 29 2002 7 28 07 AM Meade Instruments Corporation Meade LX200 Instruction Manuals diameter is reduced the minimum practical power with the 8 LX200 is increased to about 60X to about 75X with the 10 LX200 and to about 90X with the 12 LX200 powers lower than this level should be avoided during daytime observations A reasonable magnification range for daytime terrestrial observations through the 7 LX200 is from about 70X to 180X 8 LX200 is from about 80X to 190X through the 10 LX200 from about 100X to 200X the 12 LX200 from 120X to 240X It should be noted however that the higher magnifications may not be used due to severe air turbulence near the ground
133. t screws for adjusting collimation To check the collimation of your LX200 center a bright star that is overhead or use a reflected hot spot of reflected sunlight from a chrome car bumper or a telephone pole insulator with the supplied 26mm eyepiece To make a correct evaluation of the alignment it helps if the telescope has been allowed to either cool down or warm up to the temperature where the instrument is set up Temperature differences between the optics and the outside air can cause distortion in the images With the star or hot spot centered de focus the image You will notice that the out of focus star image looks like a ring of light the dark center of the ring is the shadow of the secondary mirror Turn the focus knob until the ring of light fills about 1 8th of the eyepiece field Take note that if you keep cle focusing the star past about 1 8th of a field that the ring will look perfectly concentric even on all sides even if the optics are out of alignment preventing you from seeing any misalignments If the ring of light does not seem to be even on all sides or if the dark center seems to be offset in the in the ring of light follow the method below To make collimation easy the only adjustments possible on the 8 10 or 12 LX200 come from the three set screws shown in Fig 26 located at the edge of the outer surface of the secondary mirror housing DON T FORCE THE 3 COLLIMATION SCREWS PAST THEIR NORMAL TRAVEL AND DO NOT
134. taken precautions to ensure that no shipping damage will occur but if your shipment has suffered severe vibration or impact damage whether or not the shipping cartons show damage then it is important that you retain all the original packing and contact the shipper to arrange a formal inspection of the package or packages This procedure is required prior to any warranty servicing by Meade Instruments toc 3 Inspecting the Optics Note on the Flashlight Test If a flashlight or other high intensity light source is pointed down the main telescope tube you may at first be shocked at the appearance of the optics To the uninitiated the view depending on your line of sight http www meade com manuals Ix200 b html 1 of 3 7 29 2002 7 27 46 AM Meade Instruments Corporation Meade LX200 Instruction Manuals and the angle the light is coming from may reveal what would appear to be scratches dark or bright spots or just generally uneven coatings giving the appearance of poor surface quality These effects are only seen when a high intensity light is transmitted through lenses or reflected off the mirrors and can be seen on any high quality optical system including the giant research telescopes in use today It should be pointed out however that optical quality cannot be judged by this grossly misleading test but through careful star testing The Flashlight Test causes even the very best optics to look terrible As the high inte
135. te slightly if needed Thread the long adjustment knob 3 Fig 14 into the main crossbar and position the end of the adjustment knob into the cavity on the underside of the Equatorial Wedge Tilt Plate Tighten the two socket head screws locking the main crossbar into place The DLA is now ready to use To make fine latitude adjustments follow this procedure 1 Slightly loosen the knobs 5 Fig 8 on each side of the wedge 2 Turn the DLA s adjustment knob pressing against the bottom of the tilt plate so that the tilt plate moves in latitude angle 3 Re tighten the two knobs which were loosened in step 1 above F NOTE When installing the tilt plate to the wedge note ii i aig ia Pats that it is a tight fit and the sides must generally spread 2 Telescope to Til Plate Atachm ent Knobs slightly to accept the tilt plate If the main crossbar of the 3 Deluxe Latitude Cortral DLC Knob DLA IS already tightened into place this will inhibit your 4 112 13 Altazin uth Aitactn ent Hole installation of the tilt plate You will therefore see that by 5 Deluxe Latitude Cortrol Main Crossbar releasing the screws on the ends of the DLA crossbar 6 OLC Main Crossbar Atac hm ent Screws your installation of the wedge tilt plate will be facilitated Fig 14 Telescope On Wedge http www meade com manuals Ix200 apxa html 3 of 14 7 29 2002 7 28 13 AM Meade Instruments Corporation Meade LX200 Instruction Manuals
136. telescope as soon as you can see Polaris Finding Polaris is simple Most people recognize the Big Dipper The Big Dipper has two stars that point the way to Polaris see Fig 21 Once Polaris is found it is a straightforward procedure to obtain a rough polar alignment To line up the 7 8 10 or 12 LX200 with the Pole follow this procedure 1 Using the bubble level located on the floor of the wedge adjust the tripod legs so that the telescope http www meade com manuals x200 apxb html 3 of 6 7 29 2002 7 28 16 AM Meade Instruments Corporation Meade LX200 Instruction Manuals wedge tripod system reads level 2 Set the Equatorial Wedge to your observing latitude as described in Appendix A 3 Loosen the Dec Lock and rotate the telescope tube in Declination so that the telescope s Declination reads 90 Tighten the Dec Lock Loosen the R A Lock and rotate the Fork Arms to the 00 H A position See section G Mode Functions and initiate the POLAR align sequence on the Keypad 4 Using the Azimuth and Latitude controls on the Wedge center Polaris in the field of view Do not use the telescope s Declination or Right Ascension controls during this process At this point your polar alignment is good enough for casual observations There are times however when you will need to have precise polar alignment such as when making fine astrophotographs or when using the setting circles to find new objects see Refined Polar Al
137. ter represents its lowest value on the extreme left of the scale During normal tracking speeds the Ammeter will show about four fully lit LED bars and at times a fifth that is partially lit indicating about 400 to 450 milliamps or 0 4 to 0 45 amps of current draw when a slew in initiated the ammeter will peg the scale momentarily showing the inertia load this effect is entirely normal The current draw information can be useful if you are trying to calculate how much battery life you will have during an observing run As an example if the ammeter has four bars lit indicating 0 4 amps and you are using a 12 amp hour battery then to know the approximate number of hours of life the battery would yield you would divide 12 by 0 4 indicating a battery life of 30 hours toc 4 DEC Motor Connector The DEC Motor Port 11 Fig 7 is an 8 pin phone jack connector socket designed to accept standard 8 pin phone jack coil cords One end of the supplied coil cord plugs in to the Power Panel and the other plugs into the DEC MOTOR socket in the right fork arm to power the declination motor ICCD Connector Pin LX200 Assignment toc 5 CCD Connector aE I The CCD Port 10 Fig 7 allows direct interface from 1 Normally Closed popular aftermarket CCD autoguiding imaging cameras with mI West their compatible connecting cables to accomplish aes autoguiding for non attended astrophotography The CCD 3 North cameras effectively watch a star a
138. th the United States Patent Office and in principal countries throughout the world Copyright 1998 Meade Instruments Corporation All Rights Reserved This material may not be reproduced in any form without permission http www meade com manuals x200 c html 7 of 7 7 29 2002 7 27 50 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Meade Instruments Corporation Telescopes Binoculars Microscopes Meade LX200 Instruction Manual 7 Maksutov Cassegrain and 8 10 and 12 Schmidt Cassegrain Telescopes D QUICK START To utilize all the features of the telescope it is necessary to enter IMPORTANT NOTICE Never some information into the telescope s computer memory and learn use a telescope or spotting the menu structure of the Keypad hand controller described later in scope to look at the Sun this manual As advanced as LX200 electronics are the telescope is WARMING Siskel Neate eas for very straightforward to operate even if you have no experience second will cause irreversible damage whatsoever in using a personal computer to your eye as well as physical damage to the telescope or spotting scope itself If you are reading this manual for the first time and are anxious to look through the telescope this section will describe how to use the telescope without going through the rest of the manual But be sure to come back and read the details for most of the telescope s features can not be acce
139. the GO TO key and a double beep will be heard followed by a blinking cursor that will appear over the RA coordinate numbers At this point type in the new Right Ascension coordinate numbers then press the ENTER key You will then notice that the blinking cursor is over the DEC coordinate numbers Enter the new Declination coordinate numbers then press the ENTER key and the LX200 will slew to the new coordinate position If you need to enter a minus Declination setting move the blinking cursor over the symbol with the W key and then press the NEXT key to get the minus symbol then move the blinking cursor to the first number with the E key and enter the new coordinate numbers If you are already at a minus Declination setting and wish to enter a plus declination setting follow the same instructions as above but press the PREV key instead to get the symbol toc c Slew To ALTAZ Coordinates This feature is similar to the GO TO Right Ascension and Declination coordinates option It allows you to directly enter the altitude and azimuth coordinates and slew to this position This also can be used in the LAND mode allowing the automatic acquisition of land objects for commercial applications Note This feature is not available in the POLAR mode To slew to ALTAZ coordinates follow these steps 1 Go to the ALTAZ display 2 Press the GO TO key on the Keypad You will hear a quick double beep and a blinking cursor will appear
140. tml 8 of 14 7 29 2002 7 28 13 AM Meade Instruments Corporation Meade LX200 Instruction Manuals 1 First determine the Magnetic Declination in your area using the Isogonic Chart Fig 15 2 Squeeze the clear central vial with thumb and index finger of the left hand 3 With the right hand rotate the outer dial until the orienting arrow the black arrow painted on the inside clear surface is lined up with the desired Magnetic Declination angle on the declination scale Notice that East iat Magnetic Declination is to l 4 Ly Asal the right of the North Ls ITTRIY i o Wy position and West a T y l A ae Magnetic Declination is i f Th AAS AN left of the North position Mii ULAR As an example Fig 16 i T f V shows the correct setting iF 5 i for 16 degrees West lt A Declination which covers p Providence Rhode Island ai io se a toc b Compass Installation 4 at The Magnetic Compass is Magnetic Declination hap now set for the correct declination angle To attach to the Equatorial Wedge follow these steps 7 http www meade com manuals x200 apxa html 9 of 14 7 29 2002 7 28 13 AM Meade Instruments Corporation Meade LX200 Instruction Manuals 16 West Declination x Paint of knob and Hath line up Magaehe pointing arrow Onertating arrow Fig 16 hiagnetic Compass 1 Snap the Magnetic Compass into the 3 diameter wedge attachment knob after setting the
141. to illustrate the position of the pole star relative to the polar axis of the telescope 5 Next point the telescope at another moderately bright star near the Eastern horizon but still near the celestial equator For best results the star should be about 20 or 30 above the Eastern horizon and within 5 of the celestial equator 6 Again note the extent of the star s drift in Declination Poaris Polaris YI ewtin d er Fig 24 hbunt Too Low Fig 25 hiount Too High a If the star drifts South or down the telescope s _ b If the star drifts North or up the telescope s polar axis is pointing too ow Fig 24 polar axis is pointing too high Fig 25 7 Use the latitude angle fine adjust control on the wedge to effect the appropriate change in latitude angle http www meade com manuals x200 apxb html 5 of 6 7 29 2002 7 28 16 AM Meade Instruments Corporation Meade LX200 Instruction Manuals based on your observations above Again track the star for a period of time to be certain that Declination drift has ceased The above procedure results in very accurate polar alignment and minimizes the need for tracking corrections during astrophotography Next Page Related Topics Authorized Dealers Meade 8 AND 10 LX200 Schmidt Cassegrain Telescopes Meade 7 LX50 and LX200 Maksutov Cassegrains Meade 12 LX200 Schmidt Cassegrain Accessories for LX Series Catadioptric Telescopes Index of Instruction Manuals
142. tripod toc 3 Precise Polar Alignment It should be emphasized that precise alignment of the telescope s polar axis to the celestial pole for casual visual observations is not necessary Don t allow a time consuming effort at lining up with the pole to interfere with your basic enjoyment of the telescope For long exposure photography however the ground rules are quite different and precise polar alignment is not only advisable but almost essential Notwithstanding the precision and sophistication of the drive system supplied with the Meade LX200 telescopes the fewer tracking corrections required during the course of a long exposure photograph the better For our purposes Iong exposure means any photograph of about 10 minutes duration or longer In particular the number of Declination corrections required is a direct function of the precision of polar alignment Precise polar alignment requires the use of a crosshair eyepiece The Meade Illuminated Reticle Eyepiece is well suited in this application but you will want to increase the effective magnification through the use of a 2X or 3X Barlow lens Then either follow the Refined Polar Alignment section on page 33 or follow this procedure sometimes better known as the Drift method particularly if the pole star is not visible 1 Obtain a rough polar alignment as described earlier Place the illuminated reticle eyepiece or eyepiece Barlow combination into the eyepiece holder of the t
143. truction Manuals 3 Using the LX200 in Altazimuth ALTAZ a Entering Basic Information 1 Latitude and Longitude of Observing Site 2 Local Time and Date b Setting Up the Telescope c Using the Telescope 1 The MODE Key 2 Library Object Keys 3 Daytime Slewing E The LX200 Keypad Hand Controller 1 Enter Key Mode Key Go To Key Direction Keys Speed Keys SLEW FIND CENTER and GUIDE RET Key FOCUS Key MAP Key Object Keys M STAR and CNGC PREV and NEXT Keys F The LX200 Power Panel 1 ON OFF Switch N S Switch Ammeter DEC Motor Connector CCD Connector Power 12vDC Connector Keypad Connector Reticle Connector Focuser Connector 10 RS 232 Connector 11 Aux Connector G Mode Functions 1 Mode One TELESCOPE OBJECT LIBRARY a TELESCOPE Menu File 1 SITE 2 ALIGN a ALTAZ a 1 Star with Known SITE b 2 Star at Known SITE c Unknown SITE d Which Alignment Method to Use POLAR Refined Polar Alignment The Permanently Mounted Polar Aligned LX200 LAND SOMNIAAKRWY http www meade com manuals lx200 index html 2 of 4 7 29 2002 7 27 42 AM Meade Instruments Corporation Meade LX200 Instruction Manuals SMART 12 24 HR HEEP REVERSE NS REVERSE EW BALANCE HP High Precision Pointing a LX200 Pointing Accuracy b Using HP 10 SLEW RATE 11 DEC BACKLASH COMPENSATION b OBJECT LIBRARY Men
144. tude scale for fast adjustment of the latitude angle http www meade com manuals Ix200 apxa html 1 of 14 7 29 2002 7 28 13 AM Meade Instruments Corporation Meade LX200 Instruction Manuals 1 Tilt Plate 5 Tilt Ange Adustriert Enob 2 Altech ent Knob 6 Fine Latitude Adustmert Mechanism 3 Latitude Scale 7 Bubble Level 4 Wedge Body Fig amp Equatorial Wedge for 7 and 8 L200 Telescope Figure 8 Equatorial Wedge for 7 and 8 LX200 Telescope To assemble the equatorial wedge follow this procedure note that all required wedge hardware and manual knobs are shipped within the wedge carton 1 The wedge consists of two basic parts the wedge body and the tilt plate as shown in Fig 8 Attach the tilt plate to the wedge body by threading in the four knobs provided Two knobs with washers should be used on each side of the wedge body so that a total of 4 knobs attach the tilt plate to the wedge body 2 Place the wedge onto the field tripod with the central threaded rod of the tripod fitting through the center hole in the floor of the wedge Thread the 2 1 2 diameter manual knob onto the threaded rod of the tripod and firmly tighten the manual knob toc a Azimuth Control The Azimuth Control for the Meade Equatorial Wedge and Field Wedge Body Tripod is shipped in a plastic bag and includes the following parts Tripod Head 1 Azimuth Base large U shaped piece of aluminum 2 Azimuth Arm small T shaped piece o
145. u Eile 1 OBJECT INFO 2 START FIND 3 FIELD 4 PARAMETERS TYPE GPDGO BETTER HIGHER LARGER SMALLER BRIGHTER FAINTER h RADIUS 2 Mode Two Coordinates Go To a Coordinates Menu File b Go To Menu Option c Slew to ALTAZ Coordinates 3 Mode Three Clock Calendar 4 Mode Four TIMER FREQ a TIMER Menu Option b FREQ Menu File 5 Mode Five Keypad Off Brightness Adjust H Magnification and Field of View 1 Magnifications 2 Apparent Field and Actual Field e Appendix A Equatorial Wedge 1 8 Equatorial Wedge a Azimuth Control b Deluxe Latitude Adjuster 2 Superwedge 3 Mounting the Telescope on the Wedge 4 Magnetic Compass a Setting Magnetic Declination b Compass Installation http www meade com manuals Ix200 index html 3 of 4 7 29 2002 7 27 42 AM Meade Instruments Corporation Meade LX200 Instruction Manuals c Finding True North Appendix B Equatorial Use 1 Celestial Coordinates Declination and Right Ascension 2 Lining Up with the Celestial Pole 3 Precise Polar Alignment Appendix C LX200 Alignment Star Library and Star Charts 1 Alignment Stars 2 Star Charts Appendix D LX200 64 359 Object Library 1 The LX200 64 359 Object Library The CNGC Catalog The Star Catalog Select Star by Name The M Catalog The Planets Appendix E Maintaining Your LX200 1 Keeping Your Telescope Clean Collimation Ali
146. ut the safety bolt in place and without being packed in the original factory supplied shipping cartons as described above is done at the owner s risk and your warranty may be voided if shipping damage results 6 Keypad Version Number The current keypad version is 3 20 see sticker on back of keypad This does not indicate the telescope software version which is displayed on the keypad LED at power up Next Page Related Topics Authorized Dealers Meade 8 AND 10 LX200 Schmidt Cassegrain Telescopes Meade 7 LX50 and LX200 Maksutov Cassegrains Meade 12 LX200 Schmidt Cassegrain Accessories for Meade LX Series Catadioptric Telescopes Index of Instruction Manuals General Catalog Index Meade Product Repair and Warranty Information home about meade product information dealer referral gallery customer support investor relations dealer support employment opportunities site map The name Meade and the Meade logo are trademarks registered with the United States Patent Office and in principal countries throughout the world Copyright 1998 Meade Instruments Corporation All Rights Reserved This material may not be reproduced in any form without permission http www meade com manuals x200 b html 3 of 3 7 29 2002 7 27 46 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Meade Instruments Corporation Telescopes Binoculars Microscopes
147. ve motors rev which momentarily pegs the Ammeter then the drive motors shift to a slower speed which allows the RA worm gear to find its centering position for calibrating the Smart Drive then resuming to an even slower tracking speed The Keypad http Awww meade com manuals Ix200 f html 1 of 4 7 29 2002 7 27 57 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Display reads Meade LX200 then the version of the software is indicated briefly before defaulting to the TELESCOPE OBJECT LIBRARY Within 15 seconds the planetary orbital calculations with their corresponding apparent sizes and magnitudes and current stellar precession calculations are made Every computer function is checked and the LX200 diagnostics is complete toc 2 N S Switch The recessed N S Switch 8 Fig 7 converts the LX200 for operation in the Northern or Southern hemisphere making the drive reverse its tracking direction Before power up the appropriate N or S switch position should be made as the LX200 will not recognize a change made on the N S switch afterwards Use a pen or small tool to slide the switch appropriately Be sure before you travel across the equator that you are setting the proper or latitude SITE entry for your final destination toc 3 Ammeter The Ammeter display 1 Fig 7 is a series of vertical red LED bars Each bar that is fully lit represents 0 1 ampere 100 milli amperes of current draw The LED Amme
148. xtreme steadiness is required 3 additional hex head screws are provided 2 Quick Azimuth adjustment by loosening the manual knob as described above 3 Bubble level for rapid tripod wedge leveling 4 Etched latitude scale for fast adjustment of the latitude angle 5 Built in latitude adjustment control http www meade com manuals Ix200 apxa html 4 of 14 7 29 2002 7 28 13 AM Meade Instruments Corporation Meade LX200 Instruction Manuals Azimuth Thrust Tangent Ann Fig Ha hhounting Supernvedge Fig 11b Latitude Range Holes Figure 11a Mounting Superwedge Figure 11b Latitude Range Holes To assemble the Superwedge follow this procedure note that all required wedge hardware and manual knobs are shipped within the wedge carton 1 Locate the two 8 32 nylon set screws on the rim of the tripod head and remove them Attach the tangent arm to the tripod using the supplied 8 32 X 1 2 socket cap screws See Fig 11a 2 Push the field tripod threaded rod up so that the threaded rod extends above the top of the tripod head 3 Holding the threaded rod in position place the Superwedge on top of the tripod head so that the threaded stud extending from the tripod head passes through the center hole on the wedge floor Make sure the pin extending from the bottom of the azimuth thrust bar is positioned in the slot on the tangent arm see Fig 11a 4 Install the large hand knob compass onto the threaded stud Pass the th

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