JRC JMA-3300 Series Installation Manual page 54

Chapter 3 INSTALLATION OF THE DISPLAY UNIT
3.8 CONNECTING TO THE GYRO AND ELECTROMAGNETIC LOG (NSK UNIT SETTING)
2 Connect the gyro signal and the log signal cables to the gyro I/F circuit.
TB10
TB20
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
LOG ALARM
GYRO SIMULATOR
LOG SIMULATOR
N.C.
GYRO ALARM
TIME
HEADING SENSOR
SOURCE
NMEA BAUDRATE
SETTING
3-24
CMJ-304D/E side
1 2 3 4 5 6 7 8
ON
OFF
ON
OFF
Don't care
5s
0.5s
NMEA(HDT/THS)
GYRO SIGNAL
Connecting device side
Gyro signal (synchro/step)
Log signal (synchro/pulse)
ON
OFF
any
ON
OFF
ON
OFF
4800
OFF OFF
9600
ON OFF
19200
OFF ON
38400
ON ON