JRC JMA-3300 Series - Chapter 2 OPERATIONS; 2.1 SCREEN DISPLAY

Chapter 3 INSTALLATION OF THE DISPLAY UNIT
3.7 CONNECTING TO OTHER MAKER'S GPS, COMPASS OR NMEA HEADING OUTPUT DEVICE
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3
NSTALLATION MANUAL
NMEA connector (J4)
To GPS or NMEA equipment
①NAV1TX+ ：Sending signals + to equipment
②NAV1TX- ：Sending signals - to equipment
③NAV1RX+ ：Receiving signals + from equipment
④NAV1RX- ：Receiving signals - from equipment
⑤GND ：GND
⑥EVENT+ ：Dry contact input 1
⑦EVENT- ：Dry contact input 2
HDG connector (J5)
To GPS or NMEA equipment
①NSKTX+ ：Sending signals + to HDG
②NSKTX- ：Sending signals - to HDG
③NSKRX+ ：Receiving signals + from HDG
④NSKRX- ：Receiving signals - from HDG
⑤GND ：Power GND for NSK
⑥ALM+ ：Dry contact output 1
⑦ALM- ：Dry contact output 2
⑧+5V ：Power for NSK (+5V)
Reference:
It is recommended to connect GPS to J3 and to connect HDG sensor to J5.
 Setting of connected equipment
 Setting of other maker's GPS receiver or NMEA data output device
Set the equipment to output data to be received by JMA-3300.
For details of the data to be received by JMA-3300, refer to "■ NMEA0183 standard
input/output sentences".