NOTICE:
During PL Defeats and Suspend Scan during on-
hook state, the radio is converted to work in new
channel and Channel Change on Off Hook feature
is suspended until these conditions end.
We do not recommend that “Hub Suspend Scan"
and "Channel Change on Off Hook" to be enabled
simultaneously.
During Dynamic Regroup channel selector lock
state, Emergency, Transmit Inhibit, radio lock, or
when external key loaded is attached to the radio,
the Channel Change on Off Hook feature is
suspended until these conditions end.
The Off Hook State for APX
™
Dual Radio Setup
For Dual Radio, the state of the HUB on the unselected
radio is always considered as on-hook. The state of the
HUB of the selected radio is always reflected as the
actual states of the HUB. When the HUB is placed off-
hook, the selected radio makes channel change per
CPS configuration, and the unselected radio does not
trigger channel change.
With Channel Change on Off Hook enabled, when the
HUB is placed off-hook, and there is radio switch, the
new selected radio moves to the target channel zone on
off hook, and the new unselected radio reverts to the
last user selected channel before off-hook.
The Off Hook State for Multiple Radios Setup
When there are multi-control heads connected, the
states of these HUBs reflect the active control head(s)
state. Any HUB placed off-hook by active control
head(s) makes the radio goes off-hook state. Only when
all HUBs are placed on-hook, the radio can be in on-
hook state.
NOTICE:
This feature needs to be carefully enabled.
Users must also be familiar with the functionality of
this feature as they have to be aware that removing
the microphone triggers mode change most of the
time.
Low Voltage Threshold Warning
This feature is created for APX mobile radio to provide
warning for low voltage threshold.
A specific external device is attached to the radio to
monitor the automobile voltage. When the car battery went
lower than a pre-defined threshold, the external device
asserts the Vehicular Interface Port (VIP) input to the radio.
When the voltage of the battery becomes normal, the
external device de-asserts the VIP input to the radio.
English
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