DVRS Modes of Operation
When a "DVRS Enabled" TG / Channel is selected on the O3/O5/M5 Control Head, the
DVR can be switched to one of the following Modes – OFF, LOCAL or SYSTEM.
OFF Mode
ACTIVITY
O3/O5/M5 Display
VRS Button Press
MSU Receiving from System
MSU User PTTs the MSU Microphone
PSU Activity on DVR channel
Table 10 OFF Mode DVRS Basic Operation
SYSTEM Mode
ACTIVITY
O3/O5/M5 Display
DVRS Active Tones
VRS Button Press
MSU User PTTs the MSU Microphone
MSU Receiving from System
PSU Activity on DVR channel
Table 11 SYSTEM Mode DVRS Basic Operation
NOTE:
If the selected DVR channel attribute is programmed as Simplex or Half Duplex, the
local voice repeat DVR function is not available. If proxing and In-Car Monitor are
enabled and the TG selected by the Local PSU is different from that selected on the
MSU, then Inbound or Outbound speaker audio will be present only if the microphone is
OFF Hook and the HUB feature is enabled.
April 2014
OFF MODE ACTION
VR OFF <DVR CH Name>
Short high-pitched tone.
DVR Control Mode is accessible.
DVR does not repeat audio received by MSU.
Speaker Audio present.
MSU Keys up. DVR does not key up.
DVRS Transmit Function Disabled i.e.
No DVR repeat. No Speaker Audio.
SYSTEM MODE ACTION
VR SYS <DVR CH Name>
If programmed, a short high-pitched 'DVR
Enabled' tone is repeated every few seconds
(5-255 sec. programmable) in the MSU
Speaker
regardless
Secondary Status of the DVR.
Short high-pitched tone.
DVR Control Mode is accessible.
Both DVR and MSU key up.
DVR can be programmed to not key up!
DVR repeats audio received by MSU to PSU
Users of the designated DVR Channel.
Speaker Audio is present.
PSU audio is repeated locally by DVRS as
well as by the MSU to the System. MSU
Speaker Audio is present if In-Car Monitor is
enabled in the DVR.
8A083X20 Rev. 16
6881013Y38-P
User's Guide
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