Instruction manual

Table Of Contents
Installation
22083083K 61
4.20 Double NMEA input/output
RX1
RX1+
MAIN PCB
NMEA Input 1
Vbat+
Sys. Sel.
Gnd
TX1
TX1+
NMEA
Output1
POWER PCB
TB8
TB9
TB10
RX2
RX2+
GPS/PLOTTER
NMEA
Input2
TX2
TX2+
NMEA
Output2
JUNCTION UNIT
TB13
TB14
NMEA
COMPASS
GPS/PLOTTER
Figure 4-22 Double NMEA connection
4.21 Additional NMEA output on Port 2
Output signal Output terminal Output sentence
Continuous output of
compass heading on 10 Hz
(10x/sec.) NMEA format
Junction unit, Power PCB,
NMEA2, TX2+, TX2–
HDT (True) or HDG
(Magn.) depending
on heading source.
4.22 Input from “NMEA Compass”
A gyro compass or GPS compass (or other) with NMEA 0183 HDT (or
HDG, HDM message) is connected to the J300X/J300X-40 NMEA Input2
terminal.
POWER PCB
TB8
TB9 TB10
RX2
RX2+
NMEA
Input2
J300X / J300X-40 JUNCTION UNIT
NMEA
COMPASS
Figure 4-23 NMEA compass connection