■
Radio Check function
APCO P25 Mode Operation
■
Radio Check function
Transmitting
A Radio Check function allows an operator to know
if the target station is within communication range.
The target station transceiver automatically
responds after receiving a radio check signal.
[Digital Button] key assignment is necessary to
transmit the radio check signal.
6
Release [PTT].
• “ACK RECEIVED” is displayed after receiving an
acknowledgement from the target station, and
then the transceiver returns to normal operation.
• Busy indicator lights green.
• “NO ACKNOWLDG” is displayed when an
acknowledgement is not received, and then
transceiver returns to normal operation.
▒
Not available on Non-display model in the
▒
Conventional mode.
✔
For Trunking mode operation:
This function is available only for a dispatcher in
the Trunking mode.
1
Push [Digital Button] to enter the digital call
p
Receiving
Not available on Non-display model in the
conventional mode.
➥
When a radio check signal is received, the
transceiver automatically transmits an
acknowledgement.
• The Busy/Transmit indicator lights green while
type selection mode.
2
Push [CH Up] or [CH Down], or rotate
[CH Up/Down] to select “RDO CHECK.”
• The Busy/Transmit indicator lights green while
receiving, and lights red while transmitting an
acknowledgement.
• The function display does not change while
transmitting.
■
Status Message
3
Push [Digital Button] again to enter the Individual
ID selection mode.
• A pre-programmed ID name is displayed.
• When the ID name is not programmed,
the ID code is displayed.
Transmitting
The transceiver can send one of up to 100 different
pre-programmed Status Messages.
[Digital Button] or [Digital Status] key assignment
is necessary to transmit the Status Message.
▒
Not available on Non-display model.
✔
For Trunking mode operation:
The Status Message can be sent only to a
4
Push [CH Up] or [CH Down], or rotate
The Status Message can be sent only to a
dispatcher in the Trunking mode.
1
Push [Digital Button] to enter the digital call type
selection mode.
▒
✔
Quick access
▒
Push [Digital Status] to directly enter the Status
▒
Message selection mode. In this case, skip steps
▒
2
3
4
[CH Up/Down] to select the desired ID (or name).
• Push and hold [Digital Button] for 1 sec to
cancel and return to normal operation.
• The ID can be edited with the 10-keypad*.
(Depending on the pre-set value.)
*10-key model only.
5
Push [PTT] to transmit the radio check signal to
▒
2
and
3
. Go to step
4
.
2
Push [CH Up] or [CH Down], or rotate [CH
Up/Down] to select “STATUS.”
44
the target station.
• The Busy/Transmit lights red.
• “PLEASE WAIT” is displayed.