Installation and Service manual
Compass STD 22
Compass STD 22 Compact
170
Edition: July 1, 2005
3646/110--233.DOC010302
Seq.
no.
Comments, Notes
Indications
15
vhw = Speed value in knots from NMEA telegram VHW
(speed through water).
1 2 3 4 5 6 7 8
OPEN
Switch B37 (DIP switch)
B39
14x
B38
No, or faulty serial speed
data (vHw-- telegram).
16
SPd.L =
Speed in knots (from Log).
The speed for which the source has been selected, is displayed.
The display alternates between 099.0 (=accepting value)
and, say, 052.8 (speed in knots). If no value is accepted
(transferred) the display stays at 099.0.
1 2 3 4 5 6 7 8
OPEN
Switch B37 (DIP switch)
B38
15x
B38
If the display changes value (similar
as shown), there is a data transfer on
this interface. No change (constant
99.0) means there is no data transfer