Leica GPS1200+ Technical Reference Manual page 554

Config...\Interfaces... - General
Field Option
<Device:> Output
<Bluetooth x>
<ID Address:> Output
Next step
CONT (F1) returns to the screen from where CONFIGURE SmartAntenna Interface was
accessed. A connection to the SmartAntenna is established.
Description
The device that is currently configured to <Port:>.
The Bluetooth device inside the RX1250 that is
currently configured to <Port:>.
The ID address of the SmartAntenna to be used.
GPS1200+ 554