8A083X30 Rev.11
APX Series P25 Interface
DVRS User’s Guide
January 2019 Page 31 of 94
Automatic DVRS Deactivation
AVRA
If the DVR is in the SYSTEM or LOCAL Mode and the AVRA VIP input is de-asserted,
the DVR can be programmed to automatically switch to OFF Mode as described in
Table 4. If the DVR is in the OFF Mode, de-asserting the AVRA VIP will not result in any
change. The method of de-asserting the AVRA VIP depends on the actual installed
AVRA trigger. For example, if the selected AVRA trigger is the Portable Charger Switch,
de-asserting the AVRA VIP input is equivalent to placing the PSU back in the charger.
Inactivity Timer
If programmed, the DVR can switch automatically to OFF mode upon expiration of its
Inactivity Timer (programmable from 0 to 180 minutes). The timer is restarted every time
the DVR detects PSU activity.
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