RHOTHETA User Manual RT-800
Page 145 of 192
6.4.4.5 NMEA GPS
The RT-800 DCU is able to read external GPS data via a defined NMEA protocol.
RT-800 supports only the following GPS input sentences:
•
GNRMC
•
GPRMC
•
GPGGA
•
GPDTM
Note
The “--RMC” sentence has priority over the “--GGA” sentence.
Connect the external GPS device to COM1 or COM2 interface of the DCU.
The GPS data format can be configured in this menu.
o
Press the button “OK” or hotkey “Edit Value”, while the setting “NMEA GPS” is marked
(s. Fig. 139).
Following sub-menu will appear (s. Fig. 156).
Fig. 156 NMEA GPS configuration settings
The NMEA GPS configuration is accomplished by the following settings:
-
Port
-
Baudrate
o
Pressing the hotkey “Reset Values” (s. Fig. 156, position 5) will set all menu items to
default values.
o
To exit the dialog confirming all changes that have been made within the sub-dialogs
for single settings, press “OK”.
Note
Pressing “ESC” instead of “OK” when leaving the “NMEA GPS Configuration” dialog,
all previously configured changes of single settings will be discarding.