JRC JMA-5312-6/6HS Installation Manual page 47

TB105 Set the voltage level of step gyro
1-2: Normal setting (factory default setting)
2-3: Gyro low voltage (CD56 lights at 22 Vdc or less. However, the gyro I/F circuit of the
JMA-5300MK2 operates on power supplied from the display unit even when the
display unit is turned off. Thus, there is no particular need to switch (although it
will still operate if it is switched).
<2> Connect the gyro signal and log signal cables to the gyro I/F circuit (PC4201).
CMJ-304D/E side
TB10
TB20
<3> Set S1 to [ON].
Note: After the power has been turned on, if the radar video and the indicated value for the own
ship's true bearing on the display is reversed, set switch S5-4 to [ON].
S4 SETTING 1
ON
BSHLOG ALM
OFF
GYRO SIMULATOR
LOG SIMULATOR
N.C. (No Connection)
GYRO ALM TIME
GYRO SRC
(Heading Sensor Source)
NMEA BAUDRATE
S5 SETTING 1
STEP ON
SYNC OFF
36X
90X
180X
360X
REV
DIRECTION
NOR
SYNC
PULSE
N.C. (No Connection)
PULSE/NM
Connecting device side
Gyro signal (synchro/step)
Log signal (synchro/pulse)
2 3 4 5
ON
OFF
ON
OFF
OFF
5 SEC ON
0.5 SEC OFF
HDT ( NMEA (HDT/THS) )
GYRO
4800
9600
19200
38400
2 3 4 5
ON ON
OFF ON
ON OFF
OFF OFF
ON
OFF
ON
OFF
100P／30X
200P／90X
400P／180X
800P／360X
3-18
6 7 8
ON
OFF
OFF OFF
ON OFF
OFF ON
ON ON
6 7 8
OFF
ON ON
OFF ON
ON OFF
OFF OFF
3