VTM-100 - TEquipment.NET
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1. Disp Mode I Full I Top Bottom SETUP Vid Format NTSC PAL75 PAL100 GBR I Beta75 r Beta100 I MII75 I MII100 SMPTE75 SMPTE100 Aud Level I 0dBm I 4dBm 8dBm L 12dBm Screen I Disp color Color set r Grat color Color set I Bkgd color L Color set Grat overlay Persistence I Infinite I Increase I Decrease L Reset I Picture Mix L 0 100 Intensity I Increase I Decrease L Reset Control Sensitivity 1 10 Cursor Wrap L_ On Off I via None via Mouse 1 via Mouse 2 via Computer L Alarms Sync amp I Burst amp SC H 10 20 40 MEMORY 5 10 15 5 10 20 EMPTY EMPTY EMPTY EMPTY EMPTY STORE I A Z 0 9 etc I DONE ABORT ERASE OPERATING INSTRUCTIONS The VTM 100 provides a rasterized output waveform vector audio display with an on screen menu system for operator control and setup of the unit These controls allow for selection of inputs filters display para meters video formats and access to memory for storage and recall of user defined setups User Interface Controls Front Panel Buttons Joystick or Mouse The VTM 100 can be operated directly by using the front panel push buttons and joystick by a user pro vided mouse2. 8 Also observe the additional safety instructions specified in this manual Explanation of Symbols Used N Read Operator s Handbook and Service Manual observe the safety symbols used Nm Protective ground connection Use of Cleaning Solvents Cleaning of the equipment with isopropyl alcohol or similar solvents may cause degradation of labels Use caution when cleaning so that labels are not removed Fuse Information The fuse located in the rear AC connector is of the following type and rating Type T time lag 1A 250V The fuse located on the power supply is of the following type and rating Type T time lag 2 5A 250V SPECIFICATIONS GENERAL STANDARDS NTSC PAL Auto Detect FORMATS Composite Component DISPLAY WAVEFORM ACCURACY 1 O 1V VIDEO RESPONSE 25Hz 6 MHz 1 of 50 kHz CHROMA FILTER RESPONSE Within 3 of flat 3 58 MHz and 4 43 MHz TRANSIENT RESPONSE Preshoot and or overshoot lt 1 TIME BASE MODES Line Rate 1H 2H 3H Field Rate 1V 2V 3V Sweep Mags x5 x10 x20 relative to 1H or 1V INPUT GAIN RANGE Fully adjustable from 5096 to 50096 COMPONENT FORMATS GBR BETA 75 and 100 MII 75 and 10096 SMPTE EBU 75 and 100 YC using YC 1 adaptor option COMPOSITE VECTOR ACCURACY 1 COMPOSITE VECTOR PHASE CONTROL gt 360 continu ously variable SC H PHASE MEASUREMENT ACCURACY 5 SC H 0 MEMORY 5 user defined setups with total instrument settings DISPLAY Inp
3. or with ASCII input from a remote terminal On the front panel the left push button marked SELECT enables the menu system chooses lower level menus and selects items The right push button marked EXIT moves to upper level menus or removes the menus completely from the display The joystick controls cursor movements through the menu Moving the joystick causes the cursor to move in a corresponding direction for example up or down through a menu Atthe top menu levels moving the joystick left or right moves the cursor from one menu to the next A two or three button serial mouse can also be used to control the VTM 100 The use of a mouse is iden tical to the push buttons and joystick of the front panel The left mouse button is the SELECT function the right mouse button is the EXIT function and moving the mouse up down left or right is identical to the joystick movements On a three button mouse the middle button is not used Screen Overview STATUS BAR E s MENU gt quick pp T ACCESS 7 ao MENU DISPLAY L VIDEOTEK J SAFE AREA INDICATOR 4 PLACES INDICATOR BAR Figure 2 The VTM 100 display on your monitor is divided into four major sections Status Bar Indicator Bar Display and Menu STATUS BAR found along the top of the display Indicates selections that the user has made which include Input and filter up to three inputs can be selected along with
4. 12 dBm nominal input levels The input is high impedance so it may be bridged or terminated as your system requires The two video output connectors function identically They provide two outputs of the VTM 100 for viewing on a picture monitor The displays and menus of the VTM 100 are presented on these video output connectors Connect and terminate at least one output to a convenient monitor for use in the operation of the unit If the other output is not used it does not need to be terminated If a PC or a mouse is to be used with the system then connect either the PC or a mouse to the RS 232 port A PC will require a null modem cable and a terminal control program such as ProComm for proper operation with the VTM 100 The configuration of the mouse or the PC is described on page 14 under the Control Menu section Connect the power cord to the AC input and connect to a properly grounded outlet The VTM 100 will automatically adjust to any AC input from 90 to 260V 50 or 60Hz POWER Front Panel AC POWER INPUT A B Y 6 B Y B R Y R EX REF VIDEO OUT 0060600009 gt INPUT A INPUT C 75n VIDEO DUAL STEREO 158 75A OUTPUTS INPUT CONNECTOR FUSE LOOP THRU LOOP THRU LOCATION NPUT B EXT REF RS 232 MOUSE REMOTE COOLING 75 750 CONTROL CONNECTOR FAN LOOP THRU LOOP THRU see p 20 for connections BACK PANEL CONNECTING A Y C SIGNAL The VTM 100 can display a Y C signal in composite mode not component mode by fo
5. display modes will be available when cycling through the Quick Access Menu options Full Menu The SELECT button in combination with the joystick or mouse provides access to the Full Menu The SELECT button gains access to a lower level menu and chooses or toggles the item highlighted The EXIT button moves back up the menu levels The EXIT button may be pressed repeatealy to clear all levels of menus from the screen To use the Full Menu press SELECT once A menu bar will appear at the top of the screen consisting of four main menu items Input Display Setup and Memory To access the functions of one of these menus move the cursor left or right to highlight the desired menu title and press SELECT A drop down menu will appear and the cursor will move down to the last valid selected menu item on the list When finished with a menu continually press EXIT until all menus including the top menu bar have been removed from the screen The content of each main menu along with corresponding submenus is described below Input Menu The Input menu allows for selection of one to three inputs each with their own composite filter flat low pass or chroma The External Reference also may be toggled Display of multiple inputs in either Parade or Overlay mode is also accomplished from this menu For component video a Bowtie display mode A B A C can be selected Finally a calibrated 1V peak to peak square wave may be selected To access any of the
6. no input present e Reference video is not stable No display modes waveform vector audio currently selected e Signal display and graticule colors the same as background color Intensity turned all the way down e Signal display color same as background color e Waveform vector position off screen e Externally referenced with no input e Displayed input not synchronous with reference Video input not terminated Variable gain not set to 10096 Persistence set too high or at infinite e Wrong video format selected from on screen menus e Wrong video format selected from on screen menus Audio input not connected properly e Wrong audio channel selected Input sensitivity and signal source level not matched e Wrong mix ratio selected from on screen menus Externally referenced with no input Background picture mix is the reference video when Ext Ref is ON e More than one input or filter selected Current video format is component e Alarms only available in 1H or 1V composite displays Alarms not available in line select mode e Mouse incorrectly connected to RS 232 port Wrong mouse type selected from on screen menus Null modem adapter not present between VTM 100 and PC e RS 232 port on VTM 100 not set for via computer e Terminal emulation program on PC not configured for 1200 baud no parity 8 data bits 1 stop bit Feature not available in VTM 100 2
7. portion of the display comprise the audio graticule The letters L and R designate left and right channel levels and a number either 1 or 2 indicates which of the two audio input pairs is currently selected The large tick mark on each scale indicates nominal signal amplitude for the se lected audio level Smaller marks on either side of the larger one represent 1 dB levels Refer to Figure 8 COMBO GRATICULES When several modes are selected at once such as waveform vector or waveform audio a combo graticule is displayed which is made up ofthe two graticules of the current display modes The waveform vector combo graticule is drawn similarly to that of an etched CRT scope with waveform amplitude lines omitted Figure 8 Component Vector Figure 9 Audio within the vector graticule circle See Figure 9 Figure 10 and Figure 11 For the waveform audio combo graticule waveform amplitude lines are eliminated from the lower right portion of the display as shown in Figure 12 Figure 13 and Figure 14 Deselecting a display type when a combo mode is currently displayed will cause the graticule to be redrawn Figure 10 NTSC Waveform Vector Combo Figure 11 PAL Waveform Vector Combo Figure 12 Component Figure 13 NTSC Waveform Audio Combo Waveform Vector Combo Figure 14 PAL Waveform Audio Combo Figure 15 Component Waveform Audio Combo Operating the VTM 100 From a PC Communication between the VTM 100
8. shipper The box contains the VTM 100 an operator s handbook with guick refer ence card one 750 terminator a power cord rack mounting hardware and your warranty registration card The audio input connector on the rear panel has a mating connector attached to the input connector Rack mount the VTM 100 with the enclosed rack mounting rear support rails The ideal installation would leave 1 rack unit 1 75 of rack space above and below the unit this is not reguired but it is suggested Insure that air flow around ventilation holes on top and sides of the chassis and from the back panel cooling fan is not obstructed when mounting Connect 1 composite video signal to input A and terminate that input with a 750 load one terminator is provided Connect more video inputs as your system reguires in a similar fashion always checking that all inputs are properly terminated If your system uses component video GBR or Y B Y and R Y or similar then connect the three inputs as labeled on the rear panel Input A is for G or Y input B is for B or B Y and input C is for R or R Y For YC systems connect Y to input A C to input B and composite video to input C and loop through to the External Reference input Use of the external reference connection is otherwise optional and should be used where the system requires an external reference Connect up to two stereo pairs to the audio input connector The input is balanced and can be set for 0 4 8 or
9. the gain 1 de crease gain 1 or set gain to 10096 The gain is variable in 196 steps from 5096 to 50096 The gain affects both the waveform and the vector displays To increase the gain move the cursor to t and hold down the SELECT button The button has ballistics i e the rate of increase in gain accelerates the longer the button is held down To decrease the gain move the cursor to and hold down SELECT Move the cursor to the 10096 item and press SELECT to set the gain back to its nominal calibrated value Press EXIT to remove the Gain menu from the screen Waveform Position The waveform position can be moved up 1 down 1 left lt right or to a nominal center point center by moving the cursor to Wfm Pos and pressing SELECT A sub menu menu will appears listing the position options Move the cursor to the direction desired and press SELECT If SELECT is held down waveform movement accelerates Press EXIT to remove the Waveform Position menu from the screen Vector Position The vector position can be moved up 1 down 1 left right or to a nominal center point center and the phase can be rotated either clockwise phase cw or counterclockwise phase ccw direction The selection is identical to the waveform movement Move the cursor to Vec Pos and press SELECT A submenu will appear listing the movement options Move the cursor to the desired action and press SELECT If SELECT is held down the vector move
10. the unit is to be permanently cabled first connect protective ground conductor before making any other connections 2 Built in units should only be operated when properly fitted into the system 3 For permanently cabled units without built in fuses automatic switches or similar protective facilities the AC supply line shall be fitted with fuses rated to the units 4 Before switching on the unit ensure that the operating voltage of the unit matches the line voltage 5 Units of protection class with disconnectable AC supply cable and plug may only be operated from a power Socket with protective ground contact a The protective ground connection should not be made ineffective by an extension cable b Any breaking of the protective ground conductor within or outside of the unit or loosening of the protective ground connection may cause the unit to become electrically hazardous c The protective ground conductor shall not be interrupted intentionally 6 Before opening the unit isolate it from the AC supply a Adjustments and replacement of parts as well as maintenance and repair should be carried out only by qualified personnel b Observe safety regulations and rules for the prevention of accidents c Use only original parts for replacing parts relevant to safety e g power on off switches power transformers or fuses 7 Operator replaceable fuses may be hazardouss live When replacing fuse turn unit off by isolating it from the AC supply
11. 3 BLANK PAGE 24 Addendum
12. U75 and EBU100 are avail able only at 50Hz Type FORMAT by itself to get the current video format MISCELLANEOUS COMMANDS Help VERsion Display a list of commands Display a list of commands Display the system software version number 22 TROUBLESHOOTING Verify that all cables are connected properly Verify that power is applied and that cooling fan operates and front panel LED is lit SYMPTOM Video output from VTM 100 not visible on picture monitor Video picture monitor unable to lock to VTM 100 output Autodetection not working Stable VTM 100 display but no graticule or signal visible Stable graticule but no signal display visible Waveform vector displays not locked Waveform vector amplitudes too large Signal display creating smear on screen Incorrect format graticule displayed Invalid vector display Graticule present but no audio signal level visible Too much ortoo little audio signal Picture mix ratio incorrect Alarms not available Mouse not responsive Remote PC unable to communicate with VTM 100 Unable to display vector 8 audio combo POSSIBLE CAUSE Cable between VTM 100 output and video picture monitor not connected properly Monitor is not compatible with the video standard autodetected by the VTM 100 NTSC 60Hz or PAL 50Hz e Reference video is not stable Desired input to autodetect is not the current reference Externally referenced with
13. VTM 100 Television Signal Monitor Installation and Operation Handbook TWO YEAR LIMITED WARRANTY Videotek Inc warrants that this product is free from defects in materials and workmanship for a period of two years from the date of purchase except for CRTs and LCDs which are warranted for a period of one year During this warranty period Videotek will at its option repair or replace defective products at no charge for the parts or labor Batteries are not covered in the warranty For warranty service or repair this product must be returned to a service facility designated by Videotek in the original packing or its equivalent The purchaser shall insure the product and prepay shipping charges to Videotek and Videotek shall insure the product and pay shipping charges to return the product to the purchaser The foregoing warranty shall not apply to defects or damage resulting from improper or inadequate maintenance by the purchaser connecting the product to incompatible equipment misuses operation outside any environmental specification for the product improper site preparation or maintenance or attempts by personnel other than authorized Videotek representatives to repair or service the product No other warranty is expressed or implied Videotek specifically disclaims the implied warranties of merchantability and fitness for a particular purpose The remedies provided by the foregoing warranty are the purchaser s sole and exclusive remedie
14. and a computer reguires an RS 232 serial link configured as 1200 baud no parity 8 data bits and one stop bit A null modem adaptor is reguired to connect the computer s RS 232 port with the RS 232 port on the VTM 100 The chassis connector on the VTM 100 back panel is a DB 9M See Figure 15 The computer must be running a terminal emulation program such as the commercially available ProComm which the operator uses as the interface to enter and transmit commands to the VTM 100 Upon power up or after selecting via Computer in the Setup Control menu the VTM 100 will display on the computer a welcome message and the prompt VTM100 gt At this prompt the operator can type a command or HELP to geta list of available commands Allcharacters are converted to uppercase meaning the operator input is case insensitive any combination of upper and lowercase characters is acceptable The backspace key ASCII character 8 erases the last character Parameters are separated by one or more spaces or tabs When entering a command the operator need only type as many characters as is necessary to distinguish it fom another command For example RE is ambiguous because both RECALL and REF start with it but REC will be recognized as RECALL In the summary to follow the minimum abbreviation for a command to be recognized is indicated by the required letters being shown in upper case The summary that follows lists each command followed by parameters en
15. by moving the cursor to a display type and pressing SELECT To view a combo display select a second display type For example to display a combo waveform and vector move the cursor to Waveform and press SELECT then move the cursor to Vector and press SELECT To turn off a display type move the cursor to that menu item and press SELECT Note that a vector and audio display cannot be viewed simultaneously Selecting vector will turn off any audio displays and choosing an audio display will turn off the vector display H V Sweep Horizontal or Vertical Waveform Sweeps may be selected by moving the cursor to H V Sweep and pressing SELECT The current sweep mode is indicated by the letters H or V on the Status Bar Pressing SELECT with the cursor on this item will toggle the display between the two modes Horizontal Magnification Waveform inputs may be displayed in four horizontal magnification modes X1 x5 x10 and x20 To change the magnification move the cursor to H Mag and press SELECT A submenu showing the magnification factors will appear Move the cursor to the desired magnification and press SELECT The display will be updated and the new magnification factor and graticule timebase will be shown on the Status Bar Press EXIT to remove the H Mag menu from the screen Gain The gain of the waveform vector inputs may be changed by moving the cursor to Gain and pressing SELECT A submenu will appear with three position selections increase
16. changes immediately Press EXIT to remove the Graticule Color menu from the screen Background color To change the background color move the cursor to Bkgd color and press SELECT A submenu will appear listing fourteen color selections Move the cursor to the desired color and press SELECT The color of the background changes immediately Press EXIT to remove the Background Color menu from the screen Graticule Overlay Unlike traditional waveform vector scopes the graticule on the VTM 100 is drawn electronically and therefore can appear in front of or behind the signals displayed To toggle between these two settings move the cursor to Grat overlay and press SELECT Persistence Persistence controls how rapidly the intensity of signal pixels decay over time In finite persistence provides no decay There are seventeen persistence settings the highest per sistence being infinite line select mode has only two infinite and nominal To change the per sistence move the cursor to Persistence and press SELECT A submenu will appear To in crease the persistence move the cursor to Increase and press SELECT and the persistence will be increased To lower the persistence move the cursor to Decrease and press SELECT and persistence will be decreased To setthe persistence to infinite move the cursor to Infinite and press SELECT This will cause an accumulation of pixels on the display which will remain until another change in persistence is mad
17. channels The nominal value is then reflected by the center line on the audio graticule To select an audio input level move the cursor on the SETUP menu to Aud Level and press SELECT The submenu will appear listing four nominal input levels 0 dBm 4 dBm 8 dBm and 12 dBm Move the cursor to the desired input level standard for your application and press SELECT Press EXIT to remove the Audio Level menu from the screen Screen parameters The user may change the output display characteristics which include display color graticule color background color graticule overlay persistence picture mix and intensity To change any of these settings move the cursor to Screen and press SELECT A submenu with the following options will appear Display color To change the signal display color move the cursor to Disp color and press SELECT A submenu will appear listing fourteen color selections Move the cursor to the de sired color and press SELECT The color of the displayed signal changes immediately De pending on the color selected the user may wish to make changes to intensity and persistence as well Note Red is reserved for alarm indication Press EXIT to remove the Display Color menu from the screen Graticule color To change the graticule color move the cursor to Grat color and press SELECT A submenu will appear listing fourteen color selections Move the cursor to the de sired color and press SELECT The color of the graticule
18. closed in brackets with indi vidual parameter choices separated by The brackets should not be used when entering the parameters The brackets indicate that including those parameters is optional when entering a command Entering a command with no parameters will return the current status of that selection if appropriate Otherwise the 19 operator may choose to enter along with the command one of the parameters listed inside the brackets as specified in the command description VTM 100 PERSONAL COMPUTER DB 9 MALE DB 9 MALE 2 232 Tx 3 3 232 Rx 2 5 232 GND 5 Figure 16 RS 232 Connection Diagram Computer Command Summary DISPLAY SELECTION COMMANDS WFM ON OFF Turn the waveform display on or off Type WFM by itself to get the current waveform status VECtor ON OFF Turn the vector display on or off If vector is turned on audio display is automatically turned off Type VECTOR by itself to get the current vector status Audio 1 2 OFF Turns on the audio display and displays audio input 1 or 2 or turns audio off If audio is turned on vector display is automatically turned off Type AUDIO by itself to get the current audio status MEMORY COMMANDS STore 1 2 3 4 5 name Store the current system settings in one of five memory locations and optionally give the memory aname The default name is MEMORY If a memory is already stored in the se
19. ctronically generated graticules are redrawn to correspond to the modes selected by the user waveform and or vector or audio composite or component normal or magnifi cation modes For example the screen will not present waveform amplitude markings if only a vector is being displayed Below are descriptions of the graticules available when their respective modes are enabled COMPOSITE WAVEFORM GRATICULE A composite waveform graticule consists of cali brated time markings for the X axis and calibrated amp litude markings for the Y axis The horizontal reference line at 0 IRE or units level is ten major divisions long in normal mode x1 and six divisions long in magnifica tion modes x5 x10 x20 In a normal 1H mode one horizontal line displayed each major horizontal division is equal to 5us When two video lines are displayed 2H mode the horizontal scale then becomes 1045 per division and finally in 3H mode each horizontal division becomes 15ys The time base of a major division is indicated in the upper right corner of the display for horizontal sweeps For vertical sweeps the divisions are not calibrated so no value is shown For magnifica tion modes this number will be scaled relative to a 1H sweep The NTSC graticule has a vertical scale in IRE units Figure 3 NTSC Waveform for peak to peak amplitude measurements The left side of the graticule scale is labeled 40 IRE to 100 IRE The conversion factor for IRE to volta
20. displayed on the Status Bar Parade Overlay Two or three inputs and filter combinations can be either displayed in a parade mode or overlay mode To select parade mode move the cursor to Parade and press SELECT To select the overlay mode move the cursor to Overlay and press SELECT Bowtie When a component video format is selected a bowtie display may be viewed To select the Bowtie move the cursor to Bowtie and press SELECT Cal Selecting Cal will toggle between the normal display and a 1V p p square wave To display the Cal pulse move the cursor to Cal and press SELECT To turn off the square wave and return to normal display press SELECT again No other display modes are available when Cal mode is selected Display Menu allows the user to Select a waveform vector or audio display Change the horizontal magnification vertical gain position or phase of the display Enable the line select mode to view a single line in odd or even fields Change the display mode between full screen or quarter screen top or bottom Modify the vector display for a PAL input to NTSC overlay format To access any of these functions move the cursor to Display and press SELECT A menu with the following options will appear Waveform Vector Audio A display on the monitor may consist of a waveform only vector only or audio only or combinations of waveform and vector or waveform and audio Selection of the de sired display is performed
21. e To set the persistence to the default value move the cursor to Reset and press SELECT Press EXIT to remove the Persistence menu from the screen Picture Mix The user may select the relative mix of background picture the reference input as indicated on the Status Bar and the displayed signals and graticule The relative ratio of each is on a scale from 0 to 100 A 0 selection is all signal and graticule display and no picture A 100 selection is all picture and no signal or graticule display To change the picture mix move the cursor to Picture Mix and press SELECT A submenu will appear listing a percentage of picture mix ranging from 096 to 10096 in 1096 increments A bullet in front of one of the selections indicates the current ratio To change the mix move the cursor to the desired value and press SELECT Press EXIT to remove the Picture Mix menu from the screen Intensity To change the overall signal intensity move the cursor to Intensity and press SELECT A submenu will appear To increase the intensity move the cursor to Increase and press SELECT Hold down SELECT to increase the intensity further To lower the intensity move the cursor to Decrease and press SELECT Continue to press SELECT to decrease the intensity further To set the intensity to the default value move the cursor to Reset and press SELECT Press EXIT to remove the Intensity menu from the screen Control The Control menu defines hardware parameters for the us
22. e memory will not be saved Recall To recall a user setup move the cursor to the desired saved setup and press SELECT Erase Any setup can be overwritten by storing new parameters Follow the store procedure above A user setup can also be removed To erase a location go to the MEMORY menu move the cursor to ERASE press SELECT move the cursor to the memory to be erased and press SELECT The location will then be marked EMPTY Default Values On initial power up or after a user initiated cold start the system comes up in the following state All menus off Full screen waveform mode only Gain reset to 100 Waveform and vector positions centered Line select off Audio level at 0 dBm graticule Default intensity and persistence settings Control of RS 232 port to via None Alarms off Composite video format NTSC is the default if no input is present for auto detection Input A selected 1H sweep x1 H Mag internally referenced Default colors consisting of a green waveform display on a black background with a dark gray Valid memories retained corrupted memories deleted If the system becomes unstable or the operator simply wishes to return to factory default settings perform a cold start as follows 1 Remove power from unit 2 Press and hold the SELECT button while reapplying power 3 Release SELECT button only after 5 seconds Graticules and Measurement Scales Because the entire display is ele
23. er interface related to sensitivity cursor wrapping of menus and RS 232 input options To change any of these settings move the cursor to Control and press SELECT A submenu with the following options will appear 1 Sensitivity The Sensitivity menu defines the rate of change for the joystick or mouse When using a mouse the greater the sensitivity the farther the cursor moves for each unit of mouse movement Similarly for the joystick when the sensitivity is increased the cursor moves faster when the joystick is held in a position To make a change in sensitivity move the cursor to Sensitivity and press SELECT A submenu will appear listing numbers from 1 to 10 The value 1 represents the lowest sensitivity and 10 the highest Move the cursor to the desired value and press SELECT Press EXIT to remove the Sensitivity menu from the screen Cursor Wrap To change the cursor wrap functionality move the cursor to Cursor wrap and press SELECT A submenu will appear listing two option On and Off The default setting is Off which will not allow the cursor to continuously wrap around the top menu bar or drop down 13 menus With cursor wrap turned On attempting to move the cursor down past the last item will cause it to wrap back to the first item at the top of the menu This functionality is also true of left right movements To change modes move the cursor to the desired option and press SELECT Press EXIT to remove the Cursor Wra
24. esents 2 5 IRE chroma amplitude and 2 5 of chroma phase and a larger target is equivalent to 10 and 20 of chroma level On the PAL vector graticule each chrominance vector related to the V burst terminates into a target with outer and inner dimensions The outer target dimensions are all equal to 10 of chroma phase and 20 of chroma level and inner targets which are 3 and 5 A vector dot related to the V burst terminates into Figure 5 Component Waveform a target with only inner dimensions shown as described above See Figure 6 Figure 7 PAL Vector Figure 6 NTSC Vector The composite vector graticules also have markings for coarse differential phase and gain measurements Degree ticks on the left side of the vector graticule circle are spaced at 2 increments for differential phase measurement The horizontal radial line on the left side of the circle has a mark indicating nominal burst ampli tude Amplitude lines near the edge of the circle indicate 5 10 and 15 differential gain The NTSC version has and Q graticule lines with tick marks indicating nominal amplitude for each bar The PAL version has V radial lines with 75 and 100 burst marks For an example of a component vector graticule see Figure 7 The markings follow the color bar boxes only there is no burst reference in component color AUDIO Two horizontal scales one for each stereo channel appearing in the bottom right
25. ge for a standard 1V p p video signal is 1 IRE 7 14mV The scale is drawn in 10 IRE vertical divisions but labeled every 20 IRE An additional dashed line at 7 5 IRE is available for black level reference setup Refer to Figure 2 The four corner brackets indicate the safe title area of the video display The PAL graticule is labeled similar to the NTSC graticule with units ranging from 40 to 100 units plus an additional 43 units line The conversion factor for units to volts is 1 unit 6 99mV for a 1V p p PAL signal The right side has a millivolt scale for easy conversion with 0 3 and 0 7 levels labeled Refer to Figure 3 COMPONENT WAVEFORM GRATICULE The horizontal scale for component waveform grat icule is identical to that described for composite grati cules Vertical amplitude measurement is in millivolts with the scale drawn in 0 1 volt divisions The labeled divisions on the left are 0 3 0 and 0 7 volts An additional dashed line indicating offset level is shown at 0 35 volts also labeled on the left Refer to Figure 4 Figure 4 PAL Waveform COMPOSITE AND COMPONENT VECTOR GRATICULES The vector graticules allow measurement of compos ite chroma phase and saturation relative to burst It also permits component signals to be displayed for amplitude and timing checks For NTSC vector targets the chrominance vector places the color bar dots into a system of targets as is shown in Figure 5 A small target repr
26. hree choices Full screen display quarter screen display with the waveforms placed near the Top or quarter screen display with the waveforms placed near the Bottom Move the cursor to the desired selection and press SELECT The display mode changes immediately Press EXIT to remove the Display Mode menu from the screen Setup Menu allows the user to select the input video format and the audio level modify screen display colors graticule signal and background change the signal persistence and intensity adjust the picture mix configure mouse and remote computer communication and set up alarms To access any of these functions move the cursor to Setup and press SELECT A menu with the following options will appear A Video Format The user may select the desired input format either composite NTSC PAL75 PAL100 depending on autodetect of field rate or a number of standard component formats GBR Beta75 Beta100 MII75 MII100 SMPTE75 SMPTE100 EBU75 EBU100 To choose a format move the cursor to Vid Format and press SELECT A submenu will appear listing possible video formats Move the cursor to the desired format and press SELECT again The input format changes immediately Press EXIT to remove the Video Format menu from the screen Note Field rate in composite NTSC PAL or component 50 60 Hz is always automatically detected by the VTM 100 Audio Levels The user may select the nominal audio input level for both audio input
27. itive offset will move the waveform right and a negative offset will move the waveform left Type WHPOS by itself to get the current waveform horizontal position The waveform horizontal position range varies with the display mode The overall range is plus or minus approximately 430 times the number of inputs in horizontal sweeps 520 times the number of inputs in 60 Hz vertical sweep and 620 times the number of inputs in 50 Hz vertical sweep WVpos 0 offset offset Change the waveform vertical position from its current location by the specified integer offset An offset of 0 will center the waveform vertically A positive offset will move the waveform up and a negative offset will move the waveform down Type WVPOS by itself to get the current waveform vertical position The waveform vertical position range is approximately 120 to 120 PHase 360 360 Rotate the vector by the specified integer offset in degrees A positive offset will rotate the vector clockwise and a negative offset will rotate it counterclockwise INPUT SETTING COMMANDS Input input filter input filter input filter Set up the inputs and filters Up to three inputs and filters can be entered In composite mode a filter can be specified after each input or the input will default to flat filter In component mode no filters can be entered Type INPUT without any parameters to get the current input status Valid input parameters are fo
28. lected location it is overwritten A name can be up to 8 characters in length RECall 11213145 memname Retrieve the system settings stored in the given memory location number or the first location with the name memname Type RECALL by itself to list the names of all currently stored memories Erase 1 2 3 4 5 memname Erase the memory stored under the given memory location number or the first location with the name memname 20 POSITION COMMANDS VHpos 0 offset offset Change the vector horizontal position from its current location by the specified integer offset An offset of 0 will center the vector horizontally A positive offset will move the vector right and a negative offset will move the vector left Type VHPOS by itself to get the current vector horizontal position The vector horizontal position range is approximately 80 to 160 VVpos 0 offset offset Change the vector vertical position from its current location by the specified integer offset An offset of O will center the vector vertically A positive offset will move the vector up and a negative offset will move the vector down Type VVPOS by itself to get the current vector vertical position The vector vertical position range is approximately 180 to 60 WHpos 0 offset offset Change the waveform horizontal position from its current location by the specified integer offset An offset of 0 will center the waveform horizontally A pos
29. led DISPLAY the major portion of the screen area where waveforms vectors and audio levels appear along with their corresponding graticules MENU is composed of two major portions Quick Access Menu and Full Menu Quick Access Menu provides easy access to the control of the most common functions on a stand ard waveform monitor and vector scope Full Menu as shown in diagram on page 8 provides complete access to all of the VTM 100 features Details of each feature and how it is selected are discussed in the following sections Depending on modes selected certain items on the menu are not selectable and are displayed dimly on the menu The menu also indicates selected items when appropriate by prefixing a bullet in front of the item Quick Access Menu provides the ability to change e Waveform position left right up or down Vector position left right up or down Gain up or down H Mag x1 x5 x10 or x20 up for increased mag down for decreased Vector phase right for clockwise or left for counter clockwise Intensity up or down Line number up or down when in Line Select mode Persistence up for infinite down for normal when in Line Select mode When the Full Menu has not been invoked pushing the EXIT button or right mouse button cycles through these Quick Access Menu items The joystick or mouse movement then effects the desired change Only those functions relevant to the currently selected
30. llowing the steps and diagram shown below Note that a composite signal must be available to use as a reference The interconnection shown below allows the user to view not only the Y and C sources but also the composite waveform and vector on the C input to the VTM 100 Insure that the composite input is connected to the C input on the VTM 100 looped through to the External Reference input and terminated with 750 From the VTM 100 menu select NTSC composite on the SETUP VID FORMAT menu Next select A and B inputs with FLat filters and parade mode on the INPUT menu Finally select External Reference on the INPUT menu The monitor will then display Y luminance on Input A followed by C Chroma on Input B 751 TERMINATORS VTM 100 VIDEO OUT COLOR MONITOR m 4 WOTZON TYPICAL Y C TAPE MACHINE Note If your Y C source does not have BNC connectors an optional YC 1 adaptor kit is available from Videotek INPUT A G Y B B B Y C R R Y Flat Low pass Chroma Ext Ref Parade Overlay Bowtie Cal VTM 100 FULL MENU SYNOPSIS DISPLAY Waveform I Vector Audio 1 Audio 2 I H V Sweep H Mag xi x5 x10 x20 100 Wfm Pos lt m gt center Vec Pos 4 I Y lt gt center phase cw phase ccw NTSC Ovi Line Sel On Off I Odd Even Line up Line down
31. ment accelerates Press EXIT to remove the Vector Position menu from the screen NTSC Overlay To display PAL vectors in NTSC overlay mode move the cursor to NTSC Ovl and press SELECT To deselect this mode move the cursor to NTSC Ovl and press SELECT Line Select A full field single line display of either the odd or even fields is available To select this option move the cursor to Line Sel and press SELECT A submenu will appear Move the cursor to On Off and press SELECT again to turn on line select To choose a particular field move the cursor first to the Odd Even item and press SELECT to toggle between odd and even fields The Indicator Bar at the bottom of the screen indicates whether Odd or Even is selected To change the line number move the cursor to either Line t or Line and press and hold SELECT to change the line number The currently selected line number is displayed on the screen along the ndicator Bar Press EXIT to remove the Line Select menu from the screen Note Line select displays the selected line for the first input only and alarms are turned off when line select mode is enabled Display Mode Input signals may be displayed as either full screen waveform vector audio displays or quarter screen displays waveform and vector either top or bottom with the picture of the reference input displayed behind the waveforms To change the display mode move the cursor to Disp Mode and press SELECT A submenu will appear listing t
32. of the remote computer commands are found in a later section of this man ual Note If a mouse is connected to the port when via Computer is selected the system may freeze up requiring momentary physical disconnection of the mouse from the port before normal operations may be resumed Alarms The Alarms menu allows the user to enable SC H phase measurement numeric readout and to provide error indication via signal color change to red when SC H phase burst amplitude or sync amplitude are outside of user defined thresholds To enable these measurements and alarms from the SETUP menu move the cursor to Alarms and press SELECT A submenu showing the three measurements and alarm thresholds will appear To enable any or all of the measure ments move the cursor to either SCH phase Burst Amp or Sync Amp and press SELECT The three thresholds below the selected measurement will change from dim to bright The currently selected threshold will be bulleted To change the threshold move the cursor to the desired threshold and press SELECT Once enabled the SC H phase measurement will appear along the Indicator Bar The SC H phase measurement range is from 90 in NTSC and 45 in PAL SC H phase operation is limited to one input only and the reading is relative to that input If burst is not locked missing or not readable then the SC H phase will be indicated as For sync and burst amplitudes the percentages are relative to 40 IRE in NTSC o
33. p menu from the screen 3 via None The system will ignore all input received from the RS 232 port and nothing will be output to the port when via None is selected 4 via Mouse 1 This item should be selected if the operator wishes to connect to the RS 232 port a Microsoft Mouse or Microsoft compatible mouse which includes newer model Logitech mice such as MouseMan and First Mouse Users unsure of which type of mouse they are using should try using their mouse first with via Mouse 1 and test it If the mouse is able to control the system properly then this is the correct setting Otherwise the second mouse protocol described below should be used Only mouse commands will be sent through the RS 232 port when either via Mouse 1 or via Mouse 2 is selected 5 via Mouse 2 This item should be selected if the operator wishes to connect to the RS 232 port an older protocol Logitech mouse such as the Series 7 or Series 9 or if the mouse has failed to properly control the system when set to via Mouse 1 Only mouse commands will be sent through the RS 232 port when either via Mouse 1 or via Mouse 2 is selected Note The system will not allow the user to deselect via Mouse 1 or via Mouse 2 when the mouse is used to enter the Control menu 6 via Computer When selected this item configures the RS 232 port for computer control to the following fixed settings 1200 baud no parity 8 data bits 1 stop bit No other settings are available Details
34. r 43 units in PAL If either the burst or sync amplitude thresholds are exceeded then the displayed signals will turn red and an error message BURST ERR or SYNC ERR will appear on the Indicator Bar If the RS 232 port is set to via Computer and thresholds are exceeded the VTM 100 will output through the port the ASCII messages BURST AMPLITUDE ERROR SYNC AMPLITUDE ERROR or SC H PHASE ERROR Measurement alarms are only enabled in composite non line select modes using the first input selected Press EXIT to remove the Alarms menu from the screen Memory Menu allows the user to store and recall up to five different setups These setups are stored even during power removal from the unit All user changeable parameters are stored except via mouse computer sensitivity and cursor wrap Move the cursor to Memory and press SELECT A menu with the following options will appear A Store To store a setup from the MEMORY menu move the cursor to STORE and press SELECT Then move the cursor to one of the five storage locations Empty locations are marked EMPTY Press SELECT A menu of alphanumeric characters appear for naming a setup Using the joystick move the cursor to the desired character s pressing SELECT to enter the character into the selected area Select BACK to backspace over the current character When all characters are entered move the cursor to DONE and press SELECT Select ABORT to exit the character menu 14 and th
35. r composite A B C for component GBR G B R for component color difference Y B Y R Y Optional filter parameters which are only valid for composite formats are FL LP CH representing flat low pass and chroma filters respectively REF INT EXT Set the reference to internal the first input selected in composite format or the G Y input in the component formats or external Type REF by itself to get the current reference DISPLAY SETTING COMMANDS PArade In waveform mode multiple inputs will be displayed side by side Overlay In waveform mode multiple inputs will be displayed on top of each other 21 Gain Mag SWeep Bowtie Format 50 500 Set the waveform and vector gain from 50 to 500 of full scale Type GAIN by itself to get the current gain 1 5 10 20 Set the waveform time magnification to x1 x5 x10 or x20 Type MAG by itself to get the current magnification HIV Set the waveform sweep to Horizontal line rate or Vertical field rate Type SWEEP by itself to get the current sweep rate ON OFF In component video set bowtie mode on or off Type BOWTIE by itself to get the current bowtie status NTSC PAL75 PAL100 GBR BETA75 BETA100 MII75 MII100 SMPTE75 SMPTE100 EBU75 EBU100 Change the video format to one of the above formats NTSC SMPTE75 and SMPTE100 are available only if the input video is at 60Hz and PAL75 PAL100 EB
36. s Videotek shall not be liable for any direct indirect special incidental or consequential damages whether based on contract tort or otherwise Printed October 2006 Item 061730 Rev D Copyright 1994 2006 by Videotek Inc All rights reserved Contents of this publication may not be reproduced in any form without permission of Videotek Inc This instrument in whole or in part may be protected by one or more US US Patent 6 069 607 or foreign patents or patent applications Specifications subject to change without notice Videotek and the Videotek logo are registered trademarks of Videotek Inc Blank Page Table of Contents OPERATOR S SAFETY SUMMARY uu 4 SPECIFICA ONN Gori ika ae 5 INSTALLATION OF THE VTM 100 een 6 VTM 100 FULL MENU SYNOPSIS 8 OPERATING INSTRUCTIONS eee eee 9 User Interface Controls 9 Screen CVer vie Woo assidu had Sat Sese 9 D rault Values 9 eru Pa Deg Bie Pa OG c ERR PST 16 Graticules and Measurement Scales 16 Operating the VTM 100 From a PC 19 Computer Command Summary 0005 20 TROLUBLEBSHOUDLIINCI2 3223204420 bebo ERES 23 ADDENDUME s iios acero ERE RUE An UR E ERE 25 OPERATOR S SAFETY SUMMARY Refer all servicing to qualified service personnel To maintain and to ensure safe operation observe the following instructions symbols and precautions 1 When
37. se functions move the cursor to Input on the menu bar and press SELECT A menu with the following options will appear Input signal One to three input signals A B C G B R or Y B Y R Y can be selected A filter Flat Lowpass Chroma may be selected when working with composite signals To select any of the three inputs move the cursor to the desired input and press SELECT The chosen input appears on the Status Bar along with the default filter Flat To change the filter of a composite signal move the cursor to the desired filter and press SELECT To select an additional input move the cursor to the desired input 10 and press SELECT Ifthree inputs have already been chosen the new selection will become the first and only input displayed To change the filter of the additional input move the cursor to the desired filter and press SELECT Ifthe operator wishes to change previously selected inputs or filters continue selecting additional inputs until only one is displayed A External Reference The reference signal for the display can be toggled between internal or external reference input For composite formats the internal reference is the first input selected while in component it is either the Y or G channel To select the external reference move the cursor to Ext Ref on the menu and press SELECT To return to internal reference press SELECT again while the cursor is on the Ext Ref item The current reference is
38. three filters In composite format these are indicated by input A B or C a colon and the filter Flat Lowpass or Chroma In GBR format inputs are labeled G B R and in other component formats they are labeled Y B Y R Y No filters are available in component formats Reference the reference is indicated as either one of the three input channels A B or C or the External reference input In component format the reference is either G Y or External Sweep mode and magnification indicates whether waveforms are displayed in Horizontal line or Vertical field and the magnification x1 x5 x10 or x20 Gain indicates the Gain as a percentage of full scale Scale represents the time between major divisions of the waveform graticule based upon the number of inputs displayed and current horizontal magnification INDICATOR BAR provides the user with the following information NTSC PAL or selected component standard based upon the input signal on the reference input and the menu selected standard Line number and odd or even field when line select mode is invoked SCH phase when selected the SC H phase of the first selected input is calculated and presented to the user in degrees and is available in composite mode only Burst alarm Error if burst amplitude falls outside the user defined limits Sync alarm Error if sync amplitude falls outside the user defined limits Alarm off is indicated when no alarms are enab
39. ut displays graticule and background colors are user selectable INPUTS VIDEO Three BNC loop thru NTSC PAL composite or one component video input into 750 load sync negative VIDEO LEVEL 1V p p 6 dB VIDEO RETURN LOSS gt 50 dB DC 5 MHz EXTERNAL REFERENCE 286 mV NTSC 300 mV PAL SYNC and BURST 6 dB AUDIO Two balanced stereo pairs using push on connector provided AUDIO LEVEL 0 4 8 12 dBm menu selectable OUTPUTS VIDEO Two 750 BNC video outputs In component mode out put is Y or green channel with selected displays POWER REQUIREMENTS POWER SOURCE 115 240V AC 50 60 Hz POWER CONSUMPTION 35 Volt amps typical ENVIRONMENTAL OPERATING TEMPERATURE 0 C to 50 C STORAGE TEMPERATURE 40 C to 65 C TRANSPORTATION 24 impact drop HUMIDITY 90 non condensing ALTITUDE Operating to 10 000 ft Non operating to 50 000 ft MECHANICAL CABINET Height 1 75 4 5cm Width 19 48 3cm Depth 16 40 6cm WEIGHT 15 0 Ib 6 8kg INTERFACE REMOTE CONTROL RS 232 port for control by remote com puter or Microsoft or Logitech mouse ACCESSORIES Operator s Handbook with Quick Reference Card power cord terminator rackmounting hardware OPTIONS Service Manual Specifications subject to change without notice INSTALLATION OF THE VTM 100 Inspect the shipping box of the VTM 100 prior to installation Report any external or subseguent internal shipping damage to your
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