Leica GPS1200 Series Technical Reference Manual page 515

Config...\Interfaces... - General
Field Option
<Device:> Output
<NMEA Standard or User
Mode:> defined
<Talker ID:> User input
<Messages:> Output
Next step
IF NMEA messages THEN
are not configured
are to be configured
Description
Usually, RS232 is used to transfer NMEA messages.
The NMEA Talker ID based on the NMEA standards
v3.0 or user defined input.
Available for <NMEA Mode: User defined>.
Appears at the beginning of each NMEA message.
Normally, this will remain at the default GP for GPS.
Refer to "F.1 Overview" for more information.
The NMEA messages currently selected for output.
Refer to "Appendix F NMEA Message Formats" for
more information.
CONT (F1) closes the screen and returns to the screen from where
CONFIGURE NMEA Output was accessed.
MESGS (F2). Refer to paragraph "CONFIGURE NMEA Messages".
GPS1200 515