8G093X01 R5
VR Programming Guide
August 2022 Page 141 of 144
Fixed Network Equipment – Trunking or Conventional System
Infrastructure
Hybrid VR Mode of operation where communications between the
VR 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 VR operates in Digital mode. Applicable only to ‘DVRS
Enabled’ PSUs.
Hybrid VR Mode of operation where communications between the
VR 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 VR to other VRs 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 VR.
VR 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
VR.
PSU switched to the VR channel and used for communication with
the VR
When enabled, the MSU mic audio is routed and transmitted locally
by the VR.
MSU / PSU - A programmed combination of operating parameters.
VR – OFF, SYSTEM or LOCAL (see VR Mode)
CPS generated file accessible from the DVRS Export Menu, typically
in XML file format.
Maximum Permissible Exposure.