User`s Manual
Contents
1. 9 7 Transmission Ratio of UV Light Figure 22 How To Measure Transmission Ratio of UV Light Step 1 Select the UV after choosing the LENS item in the setup screen Step 2 Pull and extract the UV cover E 4 to calibrate the transmission ratio into Step 3 Press the CAL button 100 if it is not Step 4 Place the lens on the UV detector Step 5 Press the MEM button to memorize the transmission ratio and press the PRINT button ll for printing the measured data As it measures UV transmission ratio by assuming plano concave result can include some error due to refractive power of measuring lens Geen LM 7800 User Guide 47 9 8 D Sunglasses Lenses Step 1 Select the D SUNGLASSES after choosing the LENS item in the setup screen Step 2 Press the MEM button after placing the lens over the focus Step 3 Press the PRINT aro to print them AN INFORMATION When measures the very dark D Sunglasses lenses The test results are just for reference only 9 9 Marking Focus and Cylindrical Axis 9 9 1 When there is no astigmatism Step 1 Place the lens and control the lens so that it becomes MARKING OK Step 2 Turn the Marking lever which is vertical by 90 to make it horizontal And then mark focus and cylindrical axis Step 3 Mark focus and cylindrical axis by using the marking lever Figure 232. How To Mark Focus and Cylindrical Axis AS ii 9 9 2 When there is astigmatism Step 1 Place the lens and control the lens so that it becomes MARKING OK Step 2 Keep MARKING OK and control lens up to the angle of prescription slip Step 3 Turn the Marking lever which is vertical by 90 to make it horizontal And then make marking focus and cylindrical axis 9 10 Prism Step 1 Change the display format as the form X Y P B mm in the prescription slip You can do this on the setup screen Step 2 Control the lens so that the display value on the screen coincides with the prescribed prism value Genee LM 7800 User Guide 49 10 Maintenance 10 1 Replacing Printing Paper Figure 24 How to Replace the Printing Paper Step 1 Open the printer cover Step 2 Insert the paper into the printer shaft and put the shaft into the pre defined position Step 3 Lift the printer lever and insert the shaft with paper Step 4 Lower the printer lever and turn the feeding velvet to roll the paper Step 5 Close the printer cover Step 6 Advance the paper out of the printer cover VAN INFORMATION Use a thermal printing paper of the width 57mm and the diameter of roll 50mm 5Q MB nanan 10 2 Replacing Fuse Power Cable Figure 25 Replacing fuse Step 1 Pull out the fuse box Step 2 Replace the old one with the new one Step 3 Put into the fuse box with the new one G
3. vision VAN INFORMATION Do not lift up the lens by hand at the time of measurement Place the lens holder over the lens in order to hold the lens by foot Then move the lens forward backward or left right for measurement Lifting up the lens may cause the error in the measurement JAX INFORMATION The single Lens or the framed lens should be parallel to the lens table Geen LM 7800 User Guide 41 9 3 4 Measuring a progressive lens for near vision power Step 1 Move the lens to the near vision area In case of framed lens move the lens till the foot of lens holder reaches to the lower frame VAN INFORMATION In case the framed lens pull the lens using the lens table in order to maintain the horizontal position VAN INFORMATION In case the horizontal indicator is out of the tolerance range move the right lens to right left lens to left since the near focus is located at 2 3mm toward the center of frame Step 2 Pull the lens till the vertical indicator for near focus reaches to the criteria for near focus Then the add value will be automatically detected and memorized with the beep sound VAN INFORMATION case 1 As for small framed lens the near focus is very closed to the lower frame In this case pull the lens a little bit more while lifting up the lens holder in order to detect the near focus figure 21 42 LM 7800 VAN INFORMATION case 2 There may be the smallest framed lens in which the ne
4. 12 5 CONFIGURA eege aoaia deed Eegeregie 13 da MAIN INR ee nn E 13 0 2 ACCESSORIES ooer iae a 15 6 SETTINGS AND PREPARATION FOR OPERATIN Gooooccccccooncccccccccnnnanccnnncnnanannnos 16 O RECEIVING INSPECTION EE 16 O2 RESTART START UP ees eege Eed ee e ech 16 6 3 DISPLAY PROTECTION FUNCTION sion di 17 7 BUTTONS FOR OPERATIONS ina decidas 18 7 1 SWITCHING SCREEN ACCORDING TO THE BUTTON SELECTION 18 Te SOSAGE OF BUTTON Sd e o A ats 19 8 DESCRIPTION OF SCREEN LAYOUT ccc ccsscceceeeeeeeeeeeeeeeeeeeeeeeesseeaaeeeeeesseeaaeeee 21 6 4 MEASUREMENT SCREEN EE 21 8 2 ABOUT THE PROGRESSIVE DSP AN 24 03 1 RA Gi ENEE lo OG E 25 8 4 CONTACT LENS DISPLAY SOFT Happ 26 8 5 D SUNGLASSES LENS DISPLAY ENNER oes 27 0 SETUP SGREEN BEE 27 SL PRINTOUT FORMA EE 32 9 MEASUREMENTS 0 00 da ias 33 9A NORMAL EN SES e led e ld eel e 33 02 APRAMED LENSESENSS e e he E EAS 35 9 3 PROGRESSIVE MULTI FOCAL LENSES ananannnnonananannnnannnanrnrnrnrarrnrnnarnnrararnnrnrnrnrrna 37 9 4 GENERAL MULTI FOCAL LENSES cccccceceececcccececcecccuccucuccececueauseeaerecseaesenaeaeneees 444 9 5 SOFT CONTACT LENSES CONTACT LENS ZIG IS OPTIONAL 45 9 6 HARD CONTACT EE 45 9 7 TRANSMISSION RATIO OF UV LIGHT daa 46 9 8 D SUNGLASSES RE 47 9 9 MARKING FOCUS AND CYLINDRICAL AXIS cccccececcececcecececcececeececeeeeseceeerereeteraeners 47 9 10 d EE 48 10 MAINTENANCE a ds 499 10 1 REP
5. off the printing AUTO PRINTER ON OFF FRAME PRINT ON OFF PRISM STEP 0 01 0 12 0 25 SEQ NO DISPLAY ON OFF SEQ NO RESET TIME turns on the auto printing turns off the auto printing print the frame graph at printing doesn t print the frame graph at printing display unit 0 01 display unit 0 12 display unit 0 25 show the sequential number for customer at the display doesn t show the sequential number for customer at the display set the customer No 0 To configure date and time INFORMATION To configure date and time EXIT Escapes with out saving 32 MB VAN INFORMATION If you take out the test lens from the lens cap after finishing the measurement the measured data is automatically printed out VAN INFORMATION Using AUTO MEASURE AUTO PRINTER RS 232C and PRINTER you can achieve the full automatic measurement VAN INFORMATION Select the input position by the left fourth and the fifth button and increase decrease the number by the second and the third button Pressing the first button causes escape without saving and pressing the last button sixth button at the SAVE yields saving the changes 8 7 Printout Format Printout format example is as follows NO 00131 NAME CHAROPS DATE 2011 01 07 14 56 LENS NORMAL lt RIGHT gt lt LEFT gt SPH 0 00 SPH 0 00 CYL 0
6. or explosive gas BB nnn Be careful not to be inserted dust especially metal Don t disassemble the product or open We aren t responsible for it for nothing Be careful not to close the fan located on the lateral or rear side of the equipment Don t plug the AC power cord into the outlet before the connection between devices of the equipment is completed This can generate the defect Pull out the power cord with holding the plug not the cord Avoid places where the ambient temperature falls below 5 C or exceeds 40 C for normal operation below 25 C or exceeds 40 C for transportation and below 10 C or exceeds 40 C for storage Humidity should be maintained between 30 and 80 for normal operation transportation and storage Atmosphere should be range from 860hPa to 106 OhPa for normal operation Avoid environments where the equipment is exposed to excessive shocks or vibrations Ge LM 7800 User Guide 9 2 4 Safety Precautions This equipment has been developed and tested according to safety standards as well as national and international standards This guarantees a very high degree of safety for this device The legislator expects us to inform the user expressively about the safety aspects in dealing with the device The correct handling of this equipment is imperative for its safe operation Therefore please read carefully all instructions before switching on this device For more
7. the measured data VAN INFORMATION You will see one of the following figures on the left bottom of the screen according to whether there is no lens on the lens support or there is one Without lens with lens Figure 15 Display the State of Measurement GE LM 7800 User Guide 35 VAN CAUTION When there is no lens you will see the figure on the left bottom of the screen displaying lens support with no lens If the figure displays lens support with lens but there is no one actually consult your agent It might be mechanic disorder or distortion VAN CAUTION In case of a lens with power the figure on the left bottom of the screen will display lens support with lens VAN CAUTION Move lens gently and softly with care After placing the lens on the lens support Lower directed impact or sudden moving might result in the scratch or crack of the lens 9 2 Framed lenses Figure 16 Measurement of Framed Lens Step 1 Press the S gt R suton EE to enter the measuring framed lens environment Then L and R will be shown on the upper left and upper right of the screen III VAN CAUTION The current measuring right lens is the side of background is highlighted with cyan color and current measuring left lens is the side of background is highlighted with violet color Step 2 Place the right lens on the support and lower the lens holder Step 3 Place the PD location sensor in the middle of the f
8. 00 CYL 0 00 ANS 0 AXS 0 PSM I 0 00 PSM I 0 00 U 0 00 U 0 00 LM 7800 Figure 12 Printout Format of Framed Glass LM 7800 User Guide 33 9 Measurements 9 1 Normal lenses Figure 13 How To Measure a Normal Lens Step 1 Press CLEAR ur to initialize the state of measurement The symbol S must appear on the upper right part of the screen But AUTO RIL function is turned ON R L in SETUP mode R will be shown Step 2 Place the lens on the support and lower the lens holder Step 3 Move the cross mark of prism over the center of the concentric circles gt OFF center ALIGNMENT OK MARKING OK Figure 14 Order for Focusing SA LN A Step 4 Ifthe lens has astigmatism power turn the lens so that the astigmatism an VAN INFORMATION gle become 180 You don t have to control astigmatism power to 180 if there is no astigmatism power or you have no plan to mark astigmatism focus and cylindrical axis Step 5 Press MEM button to store the measured data If the memorizing function is working data will be fixed If you press the MEM button again updat ed value will be memorized VAN INFORMATION AUTO MEASURE function is turned on in SETUP mode MARKING OK will be shown And if you keep the state without any action more than 1 second the measured data will be memorized automatically Step 6 Press the PRINT button to print
9. E LM 7800 User Guide 51 VAN INFORMATION Use 250V T3 15AL fuse for the Auto Lensmeter LM 7800 10 3 Storage During night time be sure to cover the dust cloth because some dust may spoil your equipment If you don t use your equipment for one week or more make sure that the dust cap should be fitted into the lens support as the below picture Dust Cap Lens Support 52 EM 10 4 Disposal To dispose the instrument accessories and components follow local governing ordinances and recycling plans regarding disposal or recycling of instrument or device components Especially a lithium battery may pollute the environment if the instrument or a lithium battery is abandoned When disposing packing materials sort them by the materials and follow local governing ordinances and recycling plans GE LM 7800 User Guide 53 11 Troubleshooting 11 1 Various Messages Message box shows information when you are measuring or this instrument is out of order Here is the description on messages that appear in measuring ALIGNMENT OK When the optic center falls within 0 5 prism MARKING OK When the optic center is correct OFF CENTER When the optical center of lens is off too much Following messages are on out of working problem NO SIGNAL Is displayed when there is no signal OUT OF RANGE Is displayed when there is out of range signal UNSTABLE SIGNAL Contact lens measurement when signal is bad app
10. Key 7 Marking Lever 3 Len 8 Lens 4 oo 9 Table 10 Printer 5 Memory Button 6 UV Cover Figure 1 Component Names 1 1 LCD 2 Key Button 3 Lens Holder 4 Lens Support 5 Memory Button 6 UV Cover 7 Marking Lever 8 Lens Table 9 Table Lever 10 Printer 14 MA di 1 Power RS EI Wo Figure 2 Component Names Il 2 Power Figure 3 Component Names Ill 1 Power Switch 2 Power Cable GE LM 7800 User Guide 15 5 2 Accessories 1 Printing Paper 2 Dust Cloth 3 Fuse 250V T3 15AL 4 Tweezers A kind of tool to pick up the contact lens 5 Power Cable 6 Dust Cap 7 User s Manual 8 Blower 9 Ink 10 Ink Case 11 Contact Lens Jig mechanical jig for measuring a contact lens Optional 1 2 3 SE 4 5 6 ge SE 2 Be 1 Y 7 8 9 EY UCD Dr CIE 6 Settings and Preparation for Operating 6 1 Receiving inspection Step 1 Checking accessories 12 Open the box and make sure that all the accessories printing paper Dust Cloth user s manual and so on are in it Step 2 Removing the protection tape Remove the protection tape from the lens holder lens support marking pen and the UV cover 6 2 Test at Start up Step 1 Connecting the power cable Connect the cable into the power receptacle on the bottom of the body Step 2 Checking the initial status Turn on the power switch and make sure that this instr
11. LACING PRINTING PAPER cccecsccccecsccecsccececuecececuecessectseeaeeusseaeaenseaenectees 499 10 2 REPLACINO USE dede A T let lee anti 50 10 3 AO A A eege 51 10 4 cs OY Sd D A On a 52 11 TROUBEESHOOTIN CG cocina ts 533 11 1 VARIOUS MESSAGES aia o e a ce Sodio Lal Mt Sedo da eo aa 533 11 2 HOW TO CLEAN PIM OLE e eS 53 12 SPECIEICATONSS A e en eee 54 1392 SERVICE INFORMATION ar o 55 A TA 1 Introduction 1 1 Outline of the instrument The Automatic Lens meter LM 7800 is the equipment for measuring the refractive power of lenses and gives the spherical cylindrical and axis of the lenses The Automatic Lens meter LM 7800 also contains the PD pupil distance measurement and the UV Protection Ratio Test The automatic lens meter LM 7800 can measure both the uncut singular lenses and the framed glasses Recently the Bi Focal lenses or Progressive lenses for the elderly can be check with this equipment And also this instrument can measure soft contact lenses easily and accurately using the specialized mechanical jig and the detailed display 1 2 Classification Protection against electric shock Class I earthed Installation Category Il Pollution Degree 2 NEE LM 7800 User Guide 5 2 Safety Information 2 1 Introduction Safety is everyone s responsibility The safe use of this equipment is largely dependent upon the installer user operator and maintainer lt is imperative that personnel study and become famili
12. LM 7800 Lensmeter Operation Manual LUXVISION GE LM 7800 User Guide 1 IMPORTANT NOTICE This product may malfunction due to electromagnetic waves caused by portable personal telephones transceivers radio controlled toys etc Be sure to avoid having objects such as which affect this product brought near the product The information in this publication has been carefully checked and is believed to be entirely accurate at the time of publication LUXVISION assumes no responsibility however for possible errors or omissions or for any consequences resulting from the use of the information contained herein LUXVISION reserves the right to make changes in its products or product specifications at any time and without prior notice and is not required to update this documentation to reflect such changes LUXVISION 9990 NW 14 Street Doral FL 33172 All rights are reserved Under copyright laws this manual may not be copied in whole or in part without the prior written consent of LUXVISION EE E CONTENTS 1 INTRODUCTION Socia a ee a nn eee tentent 4 dida OUTLINE OF THE INSTRUMEN Tissot is 4 152 CLASSIFICATION ASS A dt nr Le ter 4 2 SAFETY INFORMATION nee ege 5 251 INTRODUCTION EE 5 22 E O el EE 6 2195 ENVIRONMENT a T 2 SAFETY PRECAUTIONS a ee eege A ere 9 3 FEATURES oscar ebe e eebe se fn denon EEeebteseget en 11 4 NOTES FOR USING THE INSTRUMENT ccccceeeeeeeeeeeeeeeeeeeeeeeeeaeeeseeeseeeaaees
13. RE AUTO RIL PRISM DISPLAY ABBE NORMAL NORMAL 60 MID Figure 11 Setup Display 28 TA a aa 8 6 1 Detail explanation LENS NORMAL normal lens PROGRESSIVE progressive lens SOFT CONTACT soft contact lens HARD CONTACT hard contact lens UV Uv lens SUNGLASSES dark sunglasses lens CYLINDER MIX displays the cylinder value with sign when the power has value and with sign when the power has value always displays the cylinder value with sign always displays the cylinder value with sign PROGRESSIVE AUTO ON auto detection of progressive lens OFF turns off the progressive function AUTO MEASURE ON PROG ON turns on auto storing function turns on auto storing progressive function ON PROG OFF turns on auto storing function turns off auto storing progressive function OFF PROG ON turns off auto storing function turns on auto storing progressive function OFF PROG OFF turns off auto storing function turns off auto storing progressive function AUTO R L ON R L turns on auto decision of right or left lens Initially this system is ready for measuring the right lens ON S R L turns on auto decision of right or left lens Initially this system is ready for measuring the single lens OFF S RLL turns off auto decision of right or left lens PRISM NO DISPLAY will not display the prism information XY displ
14. and prepare the contact lens jig Rotate two jogs for the body to go to the middle of the structure Clear the moisture on contact with lens toil And then wait about in 10sec to make its shape rounded Take out the soft contact lens with a tweezers and place the soft contact lens on the cap of the mechanical jig Place the mechanical jig on the pin hole housing Rotate two jogs for the cross marker to go to the center of the display Be sure that the heights of all score bars are higher than the criteria line Otherwise wait a little bit more or move the soft lens a little bit so that the height of score bars become equal or more than the criteria line Press the START RECORD button MM to trigger the continuous measurement After a few second Press the STOP RECORD button n VAN INFORMATION You can specify the measurement duration at the User Setup Page And then if you turn on the AUTO REC function it is unnecessary for you to press STOP RECORD button f to stop the continuous measurement It stops automatically after the specified seconds 9 6 Hard Contact Lenses Step 1 Select the HARD CONTACT after choosing the LENS item in the setup screen Step 2 Wipe off the water and place the lens with its convex surface down Step3 Press the MEM button to store the measured data and press the PRINT button to print them 46 LM 7800
15. ar focus is cut out In this case adjust the lens to make the level of vertical indicator minimized while securing the tolerance range of horizontal indicator Then press MEM button to set the focus of near vision Measurement date may be a little bit different from the actual data figure 21 Case 1 Case Figure 21 The small framed lens VAN INFORMATION The old type progressive lens may not observe the 2 3mm shift toward the frame center 9 3 5 roubleshooting for progressive measurement Do not detect the progressive lens automatically Cause 1 Lens holder is not located in the progressive area Normal lens icon will be displayed in the left bottom of display Solution Move the lens to the progressive area for progressive measurement Cause 2 The progressive power is less than 1D Solution Move the lens to the close point of near focus and then press MEM button for progressive measurement Detect the normal lens as the progressive lens Cause 1 Lens is not properly manufactured enormous deviation in the lens Solution You can cancel the progressive auto detection function in set up display for system variable Refer to Section 8 6 Difficult to detect the far vision focus Geen LM 7800 User Guide 43 Cause 1 The progressive area is expanded into the far vision focus Solution Place the cross marker at the close point to the center and press MEM button to set the focus of far vis
16. ar with this entire manual before attempting to install use clean service or adjust this equipment and any associated accessories It is paramount that the instructions contained in this manual are fully understood and followed to enhance safety to the patient and the user operator It is for this reason that the following safety notices have been placed appropriately within the text of this manual to highlight safety related information or information requiring special emphasis All users operators and maintainers must be familiar with and pay particular attention to all Warnings and Cautions incorporated herein ZN WARNING Warning indicates the presence of a hazard that could result in severe personal injury death or substantial property damage if ignored Note describes information for the installation operation or maintenance of which is important but hazard related if ignored VAN CAUTION Caution indicates the presence of a hazard that could result in minor injury or property damaged if ignored VAN INFORMATION Information each page will briefly describe the information being requested and the browser will open with information relative to your position D LM 7800 een 2 2 Safety Symbols The International Electrotechnical Commission IEC has established a set of symbols for medical electronic equipment which classify a connection or warn of any potential hazards The classifications and symbo
17. ays the prism information in X Y coordinates GE LM 7800 User Guide 29 PB represents the prism information with absolute distance and angle mm displays the center difference in x y coordinate by millimeter mm ABBE NORMALDATA XX value applied ABBE constant MIDDATA XX value applied ABBE constant LOWDATA XX value applied ABBE constant This can be applied to the high refractive lens L NORMAL XX XX designated value for NORMAL ABBE 50 60 L MID XX XX designated value for MID ABBE 40 49 L LOW XX XX designated value for LOW ABBE 30 39 PRISM MODE 5 P MODE display unit 5 P 10 P MODE display unit 10 P 15 P MODE display unit 15 P BPS Selects the speed of the external communication 9600 Communication speed by 9600 19200 Communication speed by 19200 38400 Communication speed by 38400 57600 communication speed by 57600 115200 communication speed by 115200 SPH CYL STEP 0 25 display unit 0 25 0 125 display unit 0 125 0 01 display unit 0 01 WAVELENGTH Line displays the refractive power according to e Line d Line displays the refractive power according to d Line 30 LM 7800 SLEEP MODE ON turns on the display protection mode OFF turns off the display protection mode RS 232C Selects the protocol of RS 232C OFF turns off the external communication WAVE LINE turns on the protocol bet
18. current data and to memorized the average value MEM button To memorize the current measured value Geen LM 7800 User Guide 21 8 Description of Screen Layout 8 1 Measurement Screen 1 Active Direction 4 Measuring point 5 Lens Type 2 Cylinde 3 Sequential No 6 Measured Data d wb d A Ms R NORM L S 0 00 C 0 00 A 0 0 00 Pu 0 00 PD 0 0 10P ABBE 60 PD 0 0 Marking D eegend MO FS 7 Message Box 8 State icon Figure 6 Screen Layout 11 Total PD 10 ABBE Data 9 Prism Type 22 A LL 8 1 1 Detail explanation Active Direction Tells whether current lens is a single or a left right lens Cylinder Displays the cylinder value with sign when the power has value and with sign when the power has value Sequential No Show the sequential No for the customer identity Measuring point Show the current measuring point on the surface of the lens Lens Type Tells whether the current lens in measuring is a general lens a progressive lens a soft contact lens a hard lens a uv lens or a d sunglasses lens Measured Data Box for displaying the measured data Each meaning of the content is as show n below S basic power e C cylinder power A cylinder axis Oo P prism X prism Y e PD RPDorLPD e ADD progressive power 1 and 2 Message Box Notifies states of measurement and warnings and so on eo ALIGNMENT OK is d
19. detailed information please contact our Customer Service Department or one of our authorized representatives 1 This equipment must not be used a in an area that is in danger of explosions and b in the presence of flammable explosive or volatile solvent such as alcohol benzene or similar chemicals 2 Do not put or use this device in humid rooms Humidity should be maintained between 50 and 80 for normal operation Do not expose the device to water splashes dripping water or sprayed water Do not place containers containing fluids liquids or gases on top of any electrical equipment or devices 3 The equipment must be operated only by or under direct supervision a properly trained and qualified person 4 Modifications of this equipment may only be carried out by Luxvision s service technicians or other authorized persons 5 Customer maintenance of this equipment may only be performed as stated in the User s Manual and Service Manual Any additional maintenance may only be performed by Luxvision s service technicians or other authorized persons 6 The manufacturer is only responsible for effects on safety reliability and performance of this equipment when the following requirements are fulfilled 1 The electrical installation in the respective room corresponds to the specifications stated in this manual and 2 This equipment is used operated and maintained according to this manual and Service Manual T The manufactur
20. e steps below First of all refer to the 10 Maintenance and 11 Troubleshooting sections according to the problem that you are encountered And then follow the suggested sequences If the problem persists please contact the local distributor in your province or country at first Before calling to the local distributor you d better check these information such as Model and Serial Numbers To do so fill up the following table as soon as you purchase our product You can look up these information at any time The serial number is found on the back of this unit The serial number is unique to this unit You should retain this manual as a permanent record of your purchase Please retain your purchase receipt as your proof of purchase Date of Purchase Dealer s Name Dealer Address Dealer Phone No Model No Serial No If you can t contact with your local distributor you can directly get in touch with the service department of the LUXVISION using the phone number and the address written in the below table gt LWM 800 Lensmeter A LUXVISION 9990 NW 14 Street Suite 105 Doral FL 33172 Telephono 888 334 4640
21. ear 11 2 How to clean pin hole While your machine is being started up if there is the warning message No Signal or Out of range please clean the 4 pin hole at first Just use your lens towel But dont use liquids such as alcohol acetone etc AN CAUTION Never use liquids such as alcohol acetone etc Because such liquids might melt the glue on the 4 pin hole After that if the message No Signal or Out of range isn t be disappeared please ask to your local distributor or the LUXVISION service department 54 ENT 12 Specifications Measurement Range Sphere Power 25D 25D Cylinder Power O to 10 00D Cylinder Axis 0 180 degrees 1 Step Add Power O to 10D Prism Power 0 to 15A Precision Diopter Steps 0 01 0 125 0 25D Prism Power 0 01 0 125 O 25A Measurement Modes Cylinder 4 J Prism Rectangular Polar Displacement Sampling Speed 0 016 seconds LED Wavelength 545 nm Contact Lenses Hard and Soft Abbe Values Manual Compensation Wavelength e Line d Line TFT LCD Display Display 320X240 LED Backlight Data Output RS 232C Printer BPS 9600 19200 38400 57600 115200 bps SE 196 W x 253 D x 398 H mm 7 72 in x 9 96 in x 15 70 in Weight 5 5Kg Power Supply AC 100 240 V 50 60Hz 1A GE LM 7800 User Guide 55 13 Service Information How to contact service lf there are any problems with the equipment please follow th
22. ect this with other equipments consult the dealer Sudden heating of the room in cold areas will cause condensation of vapor on the protective glass in the measurement window and on optical parts inside the instrument In this case wait until condensation disappears before performing measurements To get accurate measurements always keep it clean Dust may result in malfunction After using this instrument turn off power supply and keep the dust cover over it Don t use organic solution such as thinner benzene etc to clean the surface of this instrument It may damage the instrument There is a risk of explosion if an incorrect type of battery is used Dispose used batteries according to the instructions Disconnect the power supply and consult the dealer in case of smoke strange odors or noise during operation Don t place anything on the lens cap while this instrument is turning on This instrument should perform the self test at start up Don t turn off the Display Protection Mode without an unavoidable reason That s why this instrument should perform the Display Protection function for the display protection as well as the compensation of temperature Don t place anything on the lens cap when you wake up this instrument from the display protection state That s why this instrument should perform the compensation of temperature at the moment GE LM 7800 User Guide 13 5 Configurations 5 1 Main Unit 1 2
23. er is not liable for damage caused by unauthorized tampering with the device s Such tampering will forfeit any rights to claim under warranty 10 LM 7800 8 This equipment may only be used together with accessories supplied by Luxvision If the customer makes use of other accessories use them only if their safe usability under technical safety aspects has been proved and confirmed by Luxvision or the manufacturer of the accessory 9 Only persons who have undergone proper training and instructions are authorized to install use operate and maintain this equipment 10 Keep the User s Manual and Service Manual in a place easily accessible at all times for persons operating and maintaining the equipment 11 Do not force cable connections lf a cable does not connect easily be sure that the connector plug is appropriate for the receptacle socket If you cause any damage to a cable connector s or receptacle s let the damage s be repaired by an authorized service technician 12 Please do not pull on any cable Always hold on to the plug when disconnecting cables 13 This equipment may be used for the international application related to the inspection of general lenses according to this manual 14 Before every operation visually check the equipment for exterior mechanical damage s and for proper function 15 Do not cover any ventilation grids or slits 16 Immediately turn off and unplug a
24. erent pictures for protecting the display component If you press any button on this mode it will return to the measurement screen Be sure that dont turn off this display protection function in the User Setup Display without an unavoidable reason 18 LM 7800 eneen 7 Buttons For Operations 7 1 Switching Screen According To the Button Selection D Sunglasses Lens Mode Figure 5 Switching Screen According To the Button Selection WE LM 7800 User Guide 19 7 2 Usage of buttons Ex MODE Setup Screen will be shown 9 TRNS To transpose the sign of cylindrical reading PROG Enter the Progressive Multi Focal Screen p Sea SOFT CNCT To go into the display for soft contact lens J HARD CNCT To go into the display for hard contact lens UV To Enter the UV Measurement Screen D SUN To measure the heavy dark sunglass lens 20 LM 7800 LENS To return to the display for the normal lens S R In case of single lens you can switch between left and right selection of the framed lens or you can select left right lens CLEAR To Initialize data and convert screen You can initialize data and screen by using this button PRINT To print the current memorized data P CAL To set the current state of transmission into 100 RUN To start recording the current data STOP To stop recording the
25. ion Cause 2 The far focus is close to the upper frame Solution Push the lens a little bit more while lifting up the lens holder in order to detect the far focus Difficult to detect the near vision focus Cause 1 The near focus is close to the lower frame Solution Pull the lens a little bit more while lifting up the lens holder in order to detect the near focus Cause 2 The near focus is cut out because of small framed lens Solution adjust the lens to make the level of vertical indicator minimized whiling securing the tolerance range of horizontal indicator Then press MEM button to set the focus of near vision in case the add power is maximized Measurement date may be a little bit different from the actual data Error in the measurement data especially the lens over 4D of near vision power Cause 1 Lift up the lens by hand at the time of measurement Solution Place the lens holder over the lens in order to hold the lens by foot Then move the lens forward backward or left right for measurement Difficult to maintain the horizontal position in case of near vision measurement Cause 1 Wrong measurement of far vision focus Solution Retry the measurement of far vision focus The marker O is displayed more than two times Cause 1 The lens is not properly manufactured more than to points with the deviation of progressive power Solution Detect the maximized add value of the points det ENEE 9 4 General Mul
26. isplayed when the optical center falls within 0 5 prism GE LM 7800 User Guide 23 MARKING OK is displayed when the optical center is precise And it tells that you can mark focus and cylindrical axis after you adjust the angle using the marking lever e NOSIGNAL is displayed when there is no signal e Out Of Range is displayed when there is out of range signal Oo Printing is printing e Unstable Signal contact lens measurement when signal is bad appear State Icon Represents that there is no lens inserted on the left bottom of the screen If you insert a lens a figure will be shown which illustrates lens on the lens support VAN INFORMATION The lens icon with a curved band represents the progressive lens inserted on the lens cap O Prism Type Is displayed selecting 5 Prism 10 Prism ABBE Data Is displayed ABBE Value 4d Total PD Shows the total PD reading that is the summation of the left PD reading and the right PD reading 2A A 8 2 About the progressive display ADD 0 22 1 Measuring Point 2 Target D 1 54 PD ABBE 60 ADD 0 22 3 Add Value P Gr xo Di Figure 7 The display for the progressive powered lens 8 2 1 Detail explanation Y Measuring Point This cross marker displays the current measuring point while finding the far focus 2 Target You should move the cross marker to the center of the target for far focus 3 Add Value This rectangle shows
27. ls are shown below Save these instructions and O on power switch represent ON and OFF respectively This symbol identifies a safety note Ensure you understand the function of this control before using it Control function is described in the appropriate User s or Service Manual Manufactured by xxxx year Disposal advise for EU Manufacturer Identifies the point where the system safety ground is fastened to the chassis Protective earth connected to conductive parts of Class equipment for safety purposes Extra Symbols External serial communication port User can transmit the memorized data to other LUXVISION equipment like LDR 7800 LDR 7800 is also a approved equipment complied with CE certificate For detailed connecting method please refer the connected device manual ex LDR 7800 manual Gen LM 7800 User Guide 7 2 3 Environment factors Avoid the following environments for operation or storage Where the equipment is exposed to water vapor Don t operate equipment with a wet hand Where the equipment is exposed to direct sunlight Where the temperature changes extremely Normal operating temperature range is from 5 C to 40 C Relative humidity is from 30 to 80 Where it is near the heat equipment Where the humidity is extremely high or there is a ventilation problem Where the equipment is subject to excessive shocks or vibrations Where equipment is exposed to chemical material
28. n locate the left lens In that case Auto R L function is properly operated 9 3 Progressive Multi Focal Lenses 9 3 1 The structure of progressive powered lens The Uncut Lens EA Lens Table CS X Eye point mark for near Eye point mark for distance far Figure 17 The structure of single lens VAN INFORMATION The lens should be placed with its horizontal marks parallel to the lens table PAN INFORMATION Initially the lens should be placed as shown in the picture The near vision area is beside of the lens table TI The Mounted Lens Figure 18 The structure of the typical progressive frame lens VAN INFORMATION The dimension of progressive powered lens depends on the specification of manufacture VAN INFORMATION The old type progressive lens may not observe the 2 3mm shift toward the frame center VAN INFORMATION Do not lift up the lens by hand at the time of measurement Place the lens holder over the lens in order to hold the lens by foot Then move the lens forward backward or left right for measurement Lifting up the lens may cause the error in the measurement 9 3 2 Judging progressive lens Step 1 Make sure that the icon in the left bottom of display is in the standard mode as picture Step 2 Place the lens over the lens cap and wait 1 2 seconds GE LM 7800 User Guide 39 VAN INFORMATION It is recommended to place the lens holder over the marked p
29. ny equipment that gives off smoke sparks strange noises or odors Gen LM 7800 User Guide 11 3 Features 1 You can measure the center and refraction power of lenses with ease and rapidity 2 In case of framed lens single binocular PD can be measured automatically in addition to the refraction power of each lens 3 Transmission ratio of UV Ultra Violet light can also be measured with this LM 7800 4 LM 7800 provides the wide measurement range from 25D to 25D 9 LM 7800 supports precise measurements guaranteed by 0 01D measurement unit 6 Measuring progressive multi focal lenses and general multi focal lenses can be performed easily and rapidly 7 LM 7800 can measure soft contact lenses easily and accurately using the specialized mechanical jig and the display but contact lens zig is optional 8 LM 7800 supports gorgeous displays through the proper colored LCD 9 The measured data can be provided to the customers by using the printing function 4 12 A A aaaaaa Notes for using the instrument 10 11 12 Do not hit or drop the instrument The instrument may be damaged if it receives a strong impact The impact can damage the function of this instrument So handle with care Install this instrument on a level stabilized table with no vibration to keep it normal state Exposure to direct sunlight or very bright indoor lights can influence the results of measurements If you want to conn
30. rame when PD function is on Step 4 Press the MEM button to store the measured data Step 5 Lift the lens holder and place the left lens AN CAUTION When the PD functions on whether the lens is for right or left can be automatically detected from the location of the PD sensor Because this detection has priority to the selection of the S gt R button the selection of the S gt R button Si will be ignored AN CAUTION O You should use the S gt R button EES to select the lens for measuring in the following three cases when PD function option is not supported PD function is off or AUTO R L function is off Step 6 Move the lens so that the MARKING OK appears focusing And place the PD location sensor in the middle of the frame when PD function is on Step 7 Press the MEM button to store the measured data and press the PRINT button El to print them VAN INFORMATION If you don t want the PD value you can use the lens table and the horizontal support without using the PD location sensor In this case completely turn the PD location sensor out from the hooker Otherwise it can result in the interference between the PD location sensor and the lens Gen LM 7800 User Guide 37 AN CAUTION In case that Auto R L function is on and PD function is off after the right lens is completed you should identify the No lens icon in the left bottom display And the
31. rogressive powered band Figure 19 The progressive area for the automatic detection Step 3 The icon in the left bottom of display will be changed as below Standard Progressive icon The display will be automatically changed to progressive mode Figure 20 The changes of state icon VAN INFORMATION Automatic Detection may not be available in case the progressive power is less than 1D If so press PROG EH for progressive measurement AQ RE VAN INFORMATION If the lens is not properly placed in Step 2 the normal lens icon as picture will be displayed in Step 3 In this case move the lens to the progressive area for progressive measurement 9 3 3 Measuring a progressive lens for far vision power Step 1 Move the lens to the far vision area In case of framed lens move the lens till the foot of lens holder reaches to the upper frame Step 2 Adjust the lens left right horizontal or forward backward vertical in order to place the cross marker at the center of target for far focus Step 3 The power of far focus will be automatically detected and memorized with the beep sound in case the cross marker is placed at the center properly VAN INFORMATION Automatic detection may not be available if the progress area is expanded into the far vision focus In this case placed the cross marker at the close point to the center and press MEM button to set the focus of far
32. the current ADD value GE LM 7800 User Guide 25 8 3 UV Screen mee HO 20 2 Current Transmission Ratio 1 Left 3 Right Transmission Ratio Transmission Ratio 4 Transmission ABEE 60 PO 0 0 Height Figure 8 UV Screen Layout 8 3 1 Detail explanation O Left Transmission Ratio Shows the left side stored value Current Transmission Ratio Displays the transmission ratio in a bar graph form Right Transmission Ratio Shows the right side stored value Transmission Height Shows the height of the current transmission height 26 LM 7800 e nnn nennnennnnennnnennnes 8 4 Contact Lens Display Soft Hard NO 20 1 Signal 10P Y ABBE 60 PD 0 0 2 Start Stop Record 3 Score Graph Of Each Point Figure 9 Contact Lens Display 8 4 1 Detail explanation O Signal Shows the share of every signal Start Stop Record Start Start recording the continuous measurement Stop Stop recording the continuous measurement calculates the average value of all readings and then stores them Score Graph for Each Point Shows the score of every signal If one of them is lower than the criteria line Geen LM 7800 User Guide 27 the reading at that moment must be thrown away 8 5 D Sunglasses Lens Display HO 20 dh 10P ABBE 60 Marking OK Figure 10 D Sunglasses Lens Display 8 6 Setup Screen NORMALLENS CYLINDER MODE PROGRESSIVE AUTO AUTO MEASU
33. ti focal Lenses 9 4 1 Measuring at the Normal Display Step 1 Press the MEM button after placing the lens over the first focus Step 2 Press the MEM button after placing the lens over the second focus The first ADD value will be shown Step 3 At this time ADD value isn t frozen Therefore if you guess the value correct press the MEM button once more Step 4 Press the ADD autor 7 to enter the measurement mode for the second ADD value Step 5 Press the MEM button after placing the lens over the third focus The second ADD value will be memorized 9 4 2 Measuring at the Progressive Display Step 1 Press the PROG button EI to activate the progressive display Step 2 Place the lens over the first focus The measurement is done automatically Step 3 Move the lens over the second focus And then the measurement is done automatically VAN INFORMATION At every step in case that automatic measurement isn t done or you want a manual decision please press the MEM button Gen LM 7800 User Guide 45 9 5 Soft Contact Lenses contact lens zig is optional We have to prepare the mechanical jig for measuring a soft contact lens The procedures to measure a soft contact lens are as followings Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Select the SOFT CONTACT after choosing the LENS item in the setup screen Remove the lens support
34. ument is functioning properly While starting the equipment be sure not to place anything on the lens cap If you encounter any problem with your equipment during boot up you ll see the following message on the screen display No Signal or Out of range If so clean the 4 pin hole Refer to Section 11 2 How to clean the 4 pin hole And then turn on again If the problem persists please contact your local distributor or the manufacturer Refer to the chapter 13 Service Information In summary the testing procedures at start up are as followings Gen LM 7800 User Guide 17 a Turn on the machine Make sure that there is nothing on the lens cap b If you encounter the message No Signal or Out of range please clean the 4 pin hole And then turn on again c Ifthe problem persists please contact your local distributor or the manufacturer d Otherwise check the values SPH CYL AXIS at Measurement Screen about which is explained in the section 8 1 Measurement screen e If SPH CYL or AXIS aren t zero clean the 4 pin hole And then turn off and on again If the problem persists please contact your local distributor or the manufacturer f If SPH CYL and AXIS are zero it s okay with your equipment 6 3 Display protection function When the instrument is not used for a few minutes display protection function works automatically In display protection mode the instrument shows several diff
35. ween LM Model and LRK LDR series LMTORK NEW turns on the bilateral protocol between LM Model and LRK LDR series BEEP ON turns on the beep sound function OFF turns off the beep sound function CONTACT REC MANUAL REC stop the continuous measurement by pressing STOP button by user AUTO REC XXs measure for the specified second and then stop automatically AUTO REC XXS designate the seconds for the continuous measurement NAME You can input the company name here The company name will be displayed at the upper part of the printing paper VAN INFORMATION Select the input string by using the second third fourth and the fifth buttons from the left side and select the displaying position by the sixth button Pressing the first button causes escape without saving and pressing the last button sixth button at the SAVE yields saving the changes PD ON DEFAULT turns on the PD function OFF turns off the PD function ON AVERAGE ST turns on the special PD function that makes the RPD and LPD even in case that the difference between eee eee nnn nnn nnn LM 7800 User Guide 31 RPD and LPD is less than 3mm LANGUAGE ENGLISH MODE display as the English mode CHINESE MODE display as the Chinese mode TURKCE MODE display as the Turkce mode FRENCH MODE display as the French mode GERMAN MODE display as the German mode PRINTER ON turns on the printing OFF turns
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