Chapter 3  INSTALLATION OF THE DISPLAY UNIT 
3.8  CONNECTING TO THE GYRO AND ELECTROMAGNETIC LOG (NSK UNIT SETTING) 
3-24 
2  Connect the gyro signal and the log signal cables to the gyro I/F circuit. 
CMJ-304D/E side  Connecting device side 
TB10 Gyro signal (synchro/step) 
TB20  Log signal (synchro/pulse) 
 
Set the speed log signal input to TB20. However, set the pulse type to   PULSE  
and the synchro type to   SYNC . Note that   -   side is the ground for the pulse 
type.   
 
3  Set S1 to [ON]. 
 
Reference: 
After power-on operation, the switch S5-4 shall be set to [ON] if the radar video and the 
indicated value of COURSE (own ship’s true bearing) is reversed. 
 
 
CMJ-304D/E  Gyro I/F  Setting table 
S4 SETTING TABLE 
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ON
OFF
ON
OFF
ON
OFF
any
ON
OFF
ON
OFF
OFF OFF
ON OFF
OFF ON
ON ON
HEADING SENSOR
SOURCE
NMEA(HDT/THS)
GYRO SIGNAL
OTHER SETTING
LOG ALARM
GYRO SIMULATOR
LOG SIMULATOR
N.C.
Don't care
GYRO ALARM
TIME
NMEA BAUDRATE
SETTING
5s
0.5s
4800
9600
19200
38400