Crystal Vision
Appendix 1
GPO5 / GPO6
Set the various conditions that assert GPO 5 and GPO 6.
Status
On if GPO is asserted. N.B. Visual indication of GPO 6 status is provided on the board edge.
Video
Select to assert the alarm if the video reference is missing.
AES
Set the conditions for the incoming audio input signals that assert the GPO.
Missing
Set to assert GPO if a channel pair missing.
Silence
Set to assert GPO if a channel pair is silent for the period set by the Alarm
Delay.
Silence
Alarm Delay
Set the time period that a silence condition must be true before asserting the GPO from 0 to
127 secs. This feature is especially useful to prevent false alarming during quiet periods in
the audio.
ADP 310 User Manual R1.2
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19 June 2019