Tektronix Grass Valley 3000 - Manual (Page 65)

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Configuring Outputs
2. Press the OUTPUT TIMING soft button to bring up the Output
Timing menu.
The OUTPUT TIMING OFFSET knob allows you to increase the
overall switcher length by from 1 to 255 clocks. 1 Default
timing is 0 clocks.
3. Adjust the OUTPUT TIMING OFFSET knob as required to make
the video look best under your operating conditions.
For viewing the switcher PGM Out signal on the Aux 1
through Aux 4 outputs, the adjustment should typically be set
for 11 clocks (768.25 ns).
For viewing video through the longest path through the
switcher (PGM Out on Mask Bus and Mask Bus out on PVW
bus), the adjustment should typically be set for 49 clocks
(3422.15 ns).
1. A clock is equal to approximately 69.84 ns.
OUTPUT TIMING MENU
config / outputs / output timing
OUTPUT TIMING OFFSET
= 0 clocks
(00.00 nsecs)
Adjustment of the Output Timing Offset knob will change
reference and electrical path length of the switcher.
WARNING
RESTORE
DEFAULT