8A083X30 Rev.11
APX Series P25 Interface
DVRS
User’s Guide
January 2019
Page 26 of 94
Powering up the DVRS
The DVR powers up together with the MSU. The power up mode and channel are
programmable. Depending on the programmed personality, the DVR can power up in
one of the following states:
•
DVR Disabled mode, last selected DVR channel
•
OFF mode
•
SYSTEM mode, last selected DVR channel
•
SYSTEM mode, preprogrammed DVR channel
•
LOCAL mode, last selected DVR channel
•
LOCAL mode, preprogrammed DVR channel
•
If the D
VRS powers up on a ‘strapped’ mobile radio channel, the DVR will be
steered according to the Talk Group selected on the MSU. The steering may
involve both DVR channel and mode change.
Turning ON the DVRS
When the MSU is powered up, the DVRS can be activated by one or more of the
methods described in the following section.
•
The DVR is ON when SYSTEM (or optionally LOCAL) mode of operation is
selected.
•
The DVR is OFF when OFF mode is selected.
•
The DVR is disabled when
a “DVR Disabled” Mode / Channel is selected on the
APX MSU or if the currently selected DVR and MSU modes are incompatible
(such as TDMA MSU mode and P25 Digital DVR channel).
NOTE:
The DVR can only be activated when a compatible
“DVR Enabled” mode / channel is
selected on the APX MSU.
Activating the DVRS via the Control Head
Ensure the MSU is powered up and a DVR Enabled TG / channel is selected on the
control head.
To activate the DVR:
•
Press the
DVRS
menu item to enter the
‘DVR Control Mode’.
•
Once in the
‘DVR Control Mode’ screen, press the
MODE
button to toggle the
available DVR modes until the desired mode is selected.
•
Press the
SEL
button or wait 6 seconds until the
‘DVR control Mode’ screen
times out. The last selected DVR mode becomes effective.
Pressing the
DVRS
button allows the user to enter the
‘DVR Control Mode’ and to select
the desired DVR mode and DVR channel as described in the
