Tektronix Grass Valley 3000 - Manual (Page 53)

2-17
Configuring Inputs
Configuring External Key Sync
1. From the Inputs Menu, press the EXT KEY SYNC> button to
select the External Key Sync Menu.
2. Use the GROUP SELECT and CARD SELECT buttons to select
the appropriate inputs.
3. Set the key sync to either AUTOMATIC or MANUAL for each of
the four selected digital inputs.
4. Note that a soft knob may be used to adjust the input timing
if the input module fails to detect sync. The range of the soft
knob is -256 clocks to +256 clocks
1 . The default setting is zero
(0) clocks.
5. Repeat steps 2 and 3 until all external key inputs have been
configured.
6. Press EXIT to return to the Inputs Menu.
1. A clock period is approximately 69.8 ns.
EXT KEY SYNC MENU
1 TO 8
config / inputs / ext key sync
CARD
SELECT
GROUP
SELECT
INPUT
53
INPUT
55
INPUT
54
MANUAL TIME
FOR INPUT 55
= 0 clocks
MANUAL TIME
FOR INPUT 56
= 0 clocks
MANUAL TIME
FOR INPUT 53
= 0 clocks
MANUAL TIME
FOR INPUT 54
= 0 clocks
INPUT
56
Card 14 9 TO 16 MANUAL
AUTOMATIC AUTOMATIC AUTOMATIC AUTOMATIC
MANUAL MANUAL MANUAL