Grass Valley PROFILE FAMILY v.2.5 - Manual (Page 42)

Chapter 2 Using the Profile Configuration Manager
42 Profile Family
2. The VITC Present status indicator should be on (green) if VITC is present.
If VITC Present is not on, use one of the following options:
• ²Manual VITC detection (four-channel LTC version of the reference genlock
board):
- Verify Automatic VITC detect is not selected. If it is, click to toggle it.
- Set VITC Reader Line1 to the expected location of the first Reader Line
and VITC Reader Line2 to the second expected Reader Line. If you only
have one VITC line, enter the same value on both Reader lines.
- Check VITC Present. If it is still not on, use a waveform monitor to check
the genlock signal to make sure that VITC exists on these lines.
• ²Automatic VITC detection only:
- Verify Automatic VITC detect is selected. If it is not, click to toggle it.
The Search Lines are automatically established for NTSC/525 and
PAL/625.
- Check VITC Present. If it is still not on, check the genlock signal to make
sure that VITC exists and is within the expected range.
3. For each video input that should have VITC, select it from the list:
• ²For automatic VITC detection on analog composite and serial digital
component signals:
- Verify Automatic VITC detect is selected. If it is not, click to toggle it.
- Set VITC Reader Line1 to the beginning of the search line. The minimum
line number is 6 in PAL and 10 in NTSC.
- Check for VITC Present.
• ²For manual VITC detection on analog composite and serial digital
component signals:
- Verify Automatic VITC detect is not selected. If it is, click to toggle it.
- Set VITC Reader Line1 and VITC Reader Line2 to the lines where VITC
is located. If you only have one VITC line, enter the same value on both
Reader lines.
- Check VITC Present. If it is still not on, double check your line numbers
and try again.