Specifications

7700/7800 MultiFrame Manual
7700ACO2-HD Dual HD/SD-SDI Smart Automatic Changeover
Page - 32 Revision 1.0
5.9. ALARM SELECT MENU
The Alarm Select Menu sets the conditions under which the module will generate a fault on the video
signal that would trigger a switch in Auto Switch or Auto Switch Back modes.

The alarms selected in this section are the same as defined in section 5.8.
FD11
Input 1 Fault Duration
Sets the number of frames of error before an alarm on
Input 1.
FD12
Input 2 Fault Duration
Sets the number of frames of error before an alarm on
Input 2.
FL11
Input 1 Fault Logic
Sets whether individual or collective faults are used to
raise an alarm on Input 1.
FL12
Input 2 Fault Logic
Sets whether individual or collective faults are used to
raise an alarm on Input 2.
VL11
Input 1 Video Loss Select Sets whether to fault on Video Loss on Input 1.
VL12
Input 2 Video Loss Select Sets whether to fault on Video Loss on Input 2.
VF11
Input 1 Video Freeze Select Sets whether to fault on Video Freeze on Input 1.
VF12
Input 2 Video Freeze Select Sets whether to fault on Video Freeze on Input 2.
VB11
Input 1 Video Black Select Sets whether to fault on Video Black on Input 1.
VB12
Input 2 Video Black Select Sets whether to fault on Video Black on Input 2.
AL1(1-4)
Input 1 Group 1-4 Audio Loss Sets whether to fault on Group Audio Loss on Input 1.
AL2(1-4)
Input 1 Group 1-4 Audio Loss Sets whether to fault on Group Audio Loss on Input 2.
AO1(1-8)
Input 1 Audio Pair 1-8 Audio
Over
Sets whether to fault on Channel Pair Audio Over on
Input 1.
AO2(1-8)
Input 2 Audio Pair 1-8 Audio
Over
Sets whether to fault on Channel Pair Audio Over on
Input 2.
AS1(1-8)
Input 1 Audio Pair 1-8 Audio
Silence
Sets whether to fault on Channel Pair Audio Silence on
Input 1.
AS2(1-8)
Input 1 Audio Pair 1-8 Audio
Silence
Sets whether to fault on Channel Pair Audio Silence on
Input 2.
Table 5-9: Alarm Select Menu Structure