Crystal Vision
Control Descriptions
GPO Alarms
Set the conditions that trigger GPO alarms. There are up to four GPI outputs
reserved for alarm indication – GPI 3 and GPI 4 which are selectable I/O, and
GPI 5 and GPI 6. All four when configured as outputs may have assigned to
them any of the 18 video and audio alarms.
GPO 5/6 Alarm
Status
On when GPO 4 or GPO 5 selected alarm conditions have been met.
Visual indication of GPI 5 and GPI 6 status is also provided on the
board edge
.
Alarm Enables
(select
conditions to
assert GPO
4&5 and GPO
3&4 when set
as outputs)
Input Missing
Select to assert selected GPO if the video input
is missing.
Video Black/Frozen
Select to assert selected GPO if incoming video
is at black level or frozen for the period set by
the Alarm Delay menu.
Group 1-4 Missing
Select to assert selected GPO if any of the
embedded audio groups 1-4 are missing from
the video input.
Q-Down-AG 3G/ATG 3G User Manual R2.1
44
11 July 2019
