Enables or Disables a notification
tone at MSU speaker when AVRA
or GPS causes repeater mode
to change
If AVRA is Enabled then this field
can be set to one of the following:
‘Activate Only’ → Once the VR is
ON it can not be switched OFF via
the AVRA trigger. It can only be
switched OFF from the MSU CH.
‘Activate / Deactivate’ → If the
AVRA trigger is de-asserted, the
VR automatically switches ON or
OFF.
‘Toggle’ → The VR is switched
OFF every second time the AVRA
trigger is asserted.
This field must be set to Enabled
when the AVRA trigger is wired up
to a VIP I/P on the Mobile Radio
Control Head or DEK.