7800 Multiframe Manual
7825DSK2-LG(-HD)(-3G) 3G/HD/SD Dual Downstream Keyer
Page 4-16
Revision 2.0
VLPRO OPERATION
4.8.1.
Configuring the GPO Outputs
The 7825DSK2-LG(-HD)(-3G) is fitted with four contact closure general-purpose outputs (GPOs) that
can be used as tallies for various functions. There are individual menu items to configure each of the
GPOs. For simplicity, only the menu for GPO A will be discussed.
The
GPO VALUE
is used to select the function of the GPO A general-purpose output. The output will
be low when it is active.
None:
Select
none
to disable the output.
Bypass:
Select
Bypass
to indicate the unit is running bypass mode.
Transition Status:
Select
Transition Status
to indicate the transitions.
Video A- C Val:
Select
Video
A- C
Val
to indicate that the signal is present and valid.
Video A - C Inv:
Select
Video A
-
C Inv
to indicate that the signal is not present.
Voice Over:
Select
Voice Over
to activate the output when the voiceover on the program
output bus is active.
Media and Logo Status:
Select
Media and Logo Status
to make the GPO low when the
media layer is turned on and a logo is being keyed on the Program bus.
Media Status:
Select
Media Status
to make the GPO low when the media layer is turned on
for the Program bus.
Logo Status:
Select
Logo Status
to activate the output when the media key layer on the
program output bus is active.
DSK Status:
Select
DSK Status
to activate the output when the DSK layers on the program
output bus is active.
Program Black:
Select
Program Black
to activate the output when the program output
bus input is the internal black generator.
Program B:
Select
Program B
to activate the output when the program output bus input is
PGM IN B
.
Program A:
Select
Program A
to activate the output when the program output bus input is
PGM IN A
.
