Grass Valley 4300 Krystal Reference Manual v.3.1 - Manual (Page 67)

Krystal 4300 Reference 3-5
External Control Preferences Menu
GPI Preferences
Use this menu to select a GPI and a function to cause that function to occur
when the selected GPI is activated. Select OFF in the GPI Input Options box
to disable a GPI.
GPI Preferences menu functions:
ADJUST — lets you choose each GPI (1 - 4) you will be assigning triggering
parameters.
TRIGGER — use to set whether the GPI trigger closure is determined by LEVEL
or EDGE .
LEVEL — triggers the GPI closure when level is set high (in active-high)
or set low (in active-low). When LEVEL is selected the pulse must have a
duration of at least 2 fields.
EDGE — triggers the GPI closure when a rising edge is detected. Only a
rising edge will cause GPI closure.
ACTIVE — this mode is only available when LEVEL has been selected as trigger
parameter. You choose whether the GPI triggers closure when it is HIGH or
LOW .
EXT CONTROL PREFS
Displayed:
Register:
Keyframe:
Cur.Time:
MODIFY
DEFAULTS
PORTS
ADJUST
GPI 4
GPI 3
GPI 2
GPI INPUTS
GPI 1
Function
Run
Stop
Freeze
Reverse
Next KF
Prev KF
Rewind Jitter
GPI INPUT OPTIONS:
SELECT/
SCROLL
PAGE
UP
PAGE
DOWN
Rewind
TRIGGER ACTIVE
LOW EDGE
HIGH LEVEL