JRC JMA-3300 Series, Installation Manual

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Chapter 3 INSTALLATION OF THE DISPLAY UNIT
3.7 CONNECTING TO OTHER MAKER'S GPS, COMPASS OR NMEA HEADING OUTPUT DEVICE
3-16
3.7 CONNECTING TO OTHER MAKER'S GPS,
COMPASS OR NMEA HEADING OUTPUT
DEVICE
This section describes how to connect to other maker's equipment.

Connecting to electronic compass or NMEA heading output device
Connect a gyro equipment or equivalent that provide a below turn rate. Otherwise, the
performance of signal process and target tracking decrease.
Standard craft 12 deg/sec
High speed craft 20 deg/sec
Following NMEA sentences can be received.
THS, HDT, HDG, HDM

Connecting to GPS receiver, electronic compass or NMEA heading output device
When receiving NMEA data from other maker's GPS or receiving azimuth information
data from the GPS compass or NMEA heading output device, connect the necessary
signal lines to the attached NMEA data connector P3/4/5 (for J3/4/5) using the following
diagram as the reference.
JMA-3300 side
J3 J4 J5
GPS receiver/Electronic compass/
NMEA heading output device side
③ GPSRX- ④ NAV1RX- ④ NSKRX- Data return
④ GPSRX+ ③ ③ NSKRX+
GPS receiver/Electronic compass/
NMEA heading output device
data output
GPS connector (J3)
To GPS or NMEA equipment
① +12V ： Power for GPS receiver
② GND ： Power GND for GPS receiver
③ GPSRX- ： Signal GND
④ GPSRX+ ： Receiving signal input from GPS
⑤ GPSTX+ ： Transmitting signal output to GPS
⑥ NC