Other Magnetic Compass - JRC JMA-5312-6/6HS Installation Manual

2) Procedure for not using a dedicated cable
When receiving bearing information data from the GPS compass, remove the radar process unit cabinet
cover, and connect the signal line to the terminals located on the terminal board as shown in the following
table:
Signal name
Compass data input +
Compass data input -
Compass data output +
Compass data output -
GND
When the above terminal is used, select the CMPS for the heading sensor and set the output of
JLR-20/30 to NMEA0183.
JLR-20/30 data output settings must be changed.
For details, refer to JLR-20/30 instruction manual.
The above-mentioned connections are available only for receiving bearing data from JLR-20/30. About
how to receive position information, refer to section 3.6.
3.7.3

Other Magnetic Compass

Any electromagnetic compass having an NMEA0183 output terminal can input bearing information into
the radar display unit. (An electromagnetic compass having no NMEA0183 output terminal cannot be
connected.)
To connect an electromagnetic compass, remove the radar process unit cabinet cover, and connect the
signal line to the terminals located on the terminal board as shown in the following table:
GPS compass connector side
Disconnected
Disconnected
Sensor throw SD-A
Sensor throw SD-B
Disconnected
JMA-5300MK2 side
TB4303 COMPAS-
TB4303 COMPAS+
JMA-5300MK2 side
Disconnected
Disconnected
TB4303 COMPAS+
TB4303 COMPAS-
Disconnected
GPS receiver side
Data return
Data output from the receiver
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