HBZMXSIB/10/16SD-PR-1
Page 49
To select the recording rate during alarms, choose the Alarm Record Speed option in
the Record sub-menu.
Normal
Normal recording during alarms means that there is no priority recording for the
cameras in alarm, and the record list will be unchanged while alarms are active.
However, you can still program the VCR and the unit to switch from a time-lapse
speed to a faster recording speed during alarms, which by itself can ensure that
alarm events have a faster update speed.
Exclusive
Exclusive recording will cause the system to record only alarmed cameras. All non-
alarmed cameras are omitted from the record list while an alarm is active. Exclusive
recording mode is typically chosen only when several simultaneous alarms can be
expected to occur very often, and where near real-time records of those alarm events
are needed. The disadvantage of choosing this mode is that events on non-alarm
cameras will not be recorded at all while any alarm is active.
If real-time recording of single alarms is required on mono models, select Exclusive
recording. However, bear in mind the disadvantage of selecting this mode.
Note
On colour models, which have PVP, if only one camera is in alarm and the alarm
speed is set to 3-hour mode, then the unit will automatically select Interleaved
recording, even though Exclusive mode is selected. This is because the fast
update will still result in a real-time update of the camera-in-alarm during
interleaved recording at 3-hour recording speeds.
Interleaved
During interleaved recording, both the alarmed cameras and non-alarmed cameras
are recorded, but the alarmed cameras, having a higher priority, are interleaved
between non-alarmed cameras.
Interleaved mode offers increased recording of cameras in alarm, without stopping
the recording of other cameras. This is the mode recommended for most
installations.
Example
Non-alarmed cameras:
1,2,3,5,7
Cameras in alarm:
4,6
Interleaved recording sequence:
1,4,6,2,4,6,3,4,6,4,4,6,5,4,6,6,4,6,7,4,1,
..etc.
Summary of Contents for ZMX/BD/10
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