Vivotek NR9682-v2 64-Channel NVR (No HDD) - Manual (Page 81)

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User's Manual - 81
The Alarm list also supports Hot keys.
Alarm list window
Mute the current alarm Ctrl m
Designate the selected alarms
as false alarms
Ctrl f
Select all alarms Ctrl a
Select one or multiple alarms Ctrl left mouse button
Select multiple alarms Shift left mouse button
Select different alarms Up/Down/Left/Right
When an alarm is muted, a message will prompt asking for how long the alarm will be muted.
Enter a number, and the alarm will disappear from the list temporarily.
When an alarm is designated as a false alarm, it is immediately removed from the list.
When an alarm is designated as In progress, you can add a comment on the current condition,
and click Acknowledge to change its status.