Petrel-X User Manual 1.1
8
Bluetooth Mode
Bluetooth Mode is the initial state of the Petrel-X after a reset or power-up. In this mode,
Bluetooth is active and can be connected to with the
If no Bluetooth connection is made in
2 minutes
, the unit will proceed to GPS Search Mode.
However, if a Bluetooth connection is established, the unit will stay in Bluetooth mode at least
one minute after the most recent Bluetooth session has ended.
If the Petrel-X unit has exited Bluetooth mode before a Bluetooth connection could be made, the
magnet can be used to reset the unit, to re-enter Bluetooth mode.
While in Bluetooth mode, both the AIS and GPS functionality of the unit are inactive. The unit will
not attempt to acquire a GPS lock and will not transmit or receive AIS messages.
GPS Search Mode
In GPS Search Mode, the Petrel-X unit will attempt to acquire a GPS lock. While in this mode, the
unit’s Bluetooth and AIS functionality are inactive.
If the attempt to acquire a GPS lock is successful, the unit will proceed to AIS Transmit Mode. If
the unit cannot acquire a GPS lock within the GPS timeout period, the unit will move to
Underwater Mode. The GPS timeout period can be configured with the
$gpstimeout
command.