Tektronix WFM700 Series, Руководство по обслуживанию

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Performance Verification
WFM700 Series Waveform Monitors Service Manual
2- 15
This test checks data paths and error detection.
Performance Requirement.
This test verifies performance characteristics and is
listed in the test record.
The following characteristics are directly and indirectly checked:
H
Data Integrity
H
RGB Gamut error Detection Level Limits
H
RGB Gamut error Detection Level Accuracy
1. Connect the HD video generator to INPUT A using a 75
8
cable.
2. Set the HD video generator for a 1080i 59.94 0% flat field signal. Enable
Error Detection and Handling (EDH) if necessary.
3. Press the INPUT button and select Input A .
4. Press the STATUS button.
5. Touch the Display soft key.
6. Touch the Alarm Status soft key and then touch the Done soft key.
7. Touch the Serial Alarms soft key.
8.
CHECK that the Embedded CRC status reads:
292M Y CRC error Status:OK
292M C CRC error Status:OK
9. Touch the General Alarms soft key.
10. CHECK that gamut errors read as follows:
RGB Gamut Error Status: OK
Composite Gamut Error Status: OK
11.
Set the HD video generator for a 1080i 59.94 SMPTE color bars signal.
12. CHECK that gamut errors read as follows:
RGB Gamut Error Status: Alarm
Composite Gamut Error Status: OK
13. Set the HD video generator for a 1080i 59.94 100% color bars signal.
14. CHECK that gamut errors read as follows:
RGB Gamut Error Status: OK
Composite Gamut Error Status: Alarm
Error Detection Data
Paths