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Tektronix Grass Valley 3000 User Manual

Page 65

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2-29

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