49
BARRETT PRC-4090 TACTICAL HF SDR TRANSCEIVER - SELCALL
The audible alarm will sound for 60 seconds and then time out. To cancel the
alarm before the time out period, and to acknowledge the call press the PTT
button or tap either
or
(described above). When the audible alarm
times out, the call received icon displays and a periodic audio reminder is emit-
ted.
When the audible alarm times out, the call received icon displays.
This message can be retrieved from the Advanced call history menu (see page
45).
GPS Request
Use this option to request a remote station’s GPS position. Information from
the remote station will be either the latest GPS position of the station or 1 of 2
error messages:
• “GPS Unresponsive” - where data is not being received or invalid data is
received from the GPS unit connected to the remote station.
•
“GPS Not fitted at Remote Station” - where the remote station does not
have a GPS unit connected to it.
1. Select the channel on which to send the GPS
Req (Beacon Call can be used to determine
the best channel)
2.
Listen for traffic on that channel. If traffic is
not heard, continue.
3. Press
4. Either:
• Select GPS Req, enter the selcall ID of
transceiver you wish to contact and
press Enter, or
• Choose a contact from the Contacts
icon
and then select GPS Req.
Sending a GPS Req