Keyword
FCC
FNE
Forced Analog
Mode
Forced Analog All
Mode
Heart Beat
HUB
ICM
Inbound Call
Local Mode
Local PSU
Local Tx Fallback
January 2019
DVRS Installation & Programming Guide – PART II
Description
Federal Communications Commission.
Fixed Network Equipment – Trunking or Conventional System
Infrastructure
Hybrid DVR Mode of operation where communications
between the DVR and the P25 'DVRS enabled' PSUs are
digital while the voice communications are forced to be analog
when a non-P25 channel / TG is selected on the MSU. When
a P25 channel / TG is selected on the MSU the DVR operates
in Digital mode. Applicable only to 'DVRS Enabled' PSUs.
Hybrid DVR Mode of operation where communications
between the DVR and the P25 'DVRS enabled' PSUs are
digital while the voice communications are forced to be analog
for all types of channels selected on the MSU. Applicable only
to 'DVRS Enabled' PSUs.
P25 Message periodically sent by a Primary DVR to other
DVRs during Primary/Secondary processing.
Hang Up Box – refers to the MSU Microphone being on hook
or off hook.
In Car Monitor – when enabled in the MSU, allows the MSU
user to monitor voice traffic to and from the local PSU
A Call transmitted by Local PSU and received by the DVR.
DVR Mode which provides extended portable-to-portable voice
and data range by repeating Local PSU (optionally MSU)
communications without keying up the Mobile radio interfaced
to the DVR.
PSU switched to the DVR channel and used for
communication with the DVR
When enabled, the MSU reverts to local call if the MSU fails to
access the system.
8M083X25 Rev. 14
APX Series P25 Interface
Page 151 of 153
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