A-4. Data Flow Of The I/O Interface - Polaris Alpha User Manual

A-4 Data Flow of the I/O Interface
There are 3 types of I/O interface, Bluetooth / USB / LV-TTL UART, on the Alpha RTK receiver for
output of NMEA or base data, receiving base data, and receiving configuration command. The
following figures provide a clear view for all 6 operation modes specified by the three interface
selection LEDs and the two slide switch positions.
Command from RTK Viewer
Command from RTK Viewer
Base Data
NMEA Messages
NMEA Messages
Figure A-4-1
NMEA Messages
Base Data
NMEA Messages
Figure A-4-2
NMEA Messages
NMEA Messages
Figure A-4-3
54
BT
Alpha
Polaris RTK
T U B
B
switch
BT
Alpha
Polaris RTK
T U B
B
switch
BT
Alpha
Polaris RTK
B
T U
B
switch