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7-5
7.4 Setting and Adjustment of the Interface Unit
CS-120A
DIP switch setting
Navigation data and fishing data input from external equipment can be turned on or off by
DIP switches DP-1 and DP-2 on CPU II board 10P6871 in the Interface Unit CS-120A.
CI/NMEA port Input format
Input format
CIF (Factory Setting)
NMEA
S1
OFF
ON
Changed the register R78 (47Ω) to 470Ω on pcb 10P0047
when NMEA is selected.
-NMEA: 470
Ω
-CIF: 47Ω
Own ship's navigation data (Gyrocompass, Speed log or Current indicator etc.)
Input Device
Gyrocompass, Sppeed log
GPS or DR *1
Current indicator
Gyrocompass, GPS *2
S1 S2
OFF OFF
OFF
OFF
ON
ON
ON
ON
*1: GPS ship's speed/heading data from NMEA or CIF line, or dead reckoning speed/
heading data are used. Take care that heading data may have error if the speed is
lower than 0.2 kts.
*2: Courseline is plotted by using CIF or NMEA format speed data and Gyrocompass data.
Speed log is set by using GPS or Current Indicator.
Select navigation device which feeds
navigation data for drawing ship's track
by S1 and S2.
Latitude/Longitude
Input Device
Loran C
GPS or DR *
S3
OFF
ON
DP-2
ON
Standard
Setting
DP-1
ON
12345678
1234
Own ship's position data is selected with S3.
*: Data from GPS or DR is used (GPS has priority).
Fix to "OFF"
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Interface board
(10P0047)
R78