Furuno FAR-2807(-D) series Operator's Manual page 248

6. MAINTENANCE, TROUBLESHOOTING
7. Press the [F1] key to change the display. The buzzer stops and the screen
shows the sentences being input from external equipment (GPS1,
GPS2SPEED, HEADING and NAV DATA). Below is an example. The
sentences shown depend on your system settings.
<GPS1>
GGA
GLL
RMC
RMB
VTG
ZDA
DTM
BWR
BWC
<GPS2>
GGA
GLL
RMC
RMB
VTG
ZDA
DTM
BWR
BWC
<SPEED>
VBW
VHW
VDR
<HEADING>
HDT
<NAV DATA>
WPL
RTE
MWV
VWT
VWR
DPT
DBT
DBS
MTW
VDM
Sentence input display
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