Incoming Inspection
LTC Decode and Wavefo rm
Test
1. Press FACTORY t
o restore the factory preset.
2. Connect the LTC generator to pins 7 and 8 of the remote connector. This will
require m akin
g a custom cable assembly. (See Figure 1.)
3. Select any NTSC signal for the AVG1.
4. Connect the TG2000 AVG1 composite output to the video input of the
Timecode generator.
5. Connect a 525/270 color bar signal from DVG1 to the SDI A input.
6. Press CONFIG.
7. In the Aux Data Settings submenu, set the Timecode Display to LTC.
8. The LTC waveform should be displayed in the active tile. The amplitude will
depend on the source. The sync packet should remain at a constant horizontal
location on the sweep.
9. Record Pass or Fail for the LTC waveform in the test record.
10. In the lower-right corner of the screen, the time from the LTC input should be
shown.
11. Press the generator GEN switch to SET. The numbers should change.
12. Recor
d Pass or Fail for LTC Decode in the test record.
Ground Closure Remote
1. Connect a 525/270 color bar signal from DVG1 to the SDI A input.
2. Press FACTORY to restore the factory preset.
3. Press PICT to display a picture in tile 1.
4. Press and hold the PRESET 1 button until the message Preset #1 was saved is
displayed in the active tile. You will need to hold the button for 1 to 2 seconds.
Test Preset Recall.
5. Press FACTORY again.
6. On a 15-pin, male DSUB connector, solder wires or strip back insulation to
gain access to pins 2, 5, and 9.
7. Connect the DSUB connector to the ground closure remote connector on the
waveform rasterizer.
8. Short p ins 2 and 5 together on the remote cable.
9. Preset 1 should be restored so tha t a picture is displayed in tile 1.
10. Record Pass or Fail for A ctivate Preset in the test record.
Waveform Rasterizers Specifications and Performance Verification 6 7