Furuno FAR-2807 Series - Page 307

6.1 Self-test
6-12
4) Display of Position Data and Ship Speed Data Box
When the position data and ship speed data are invalid, the data is displayed in red.
The conditions for it are as shown below.
The data varies with the input sentences. See p.3-4 for details.
Fig. 6.1.10 HDG/SPD/POS Display
HDG
SPD
SB 0.0 kt
COG
SOG
OS POSN
Position
Log Speed
DGPS
Heading
Speed, Source
Course over Ground
Speed over Ground, Source
When data is invalid in VBW
The mode is No Fix, DR, Manua
l
or SIM mode in GGA, GLL, VT
G
and RMC.