Chapter 3  INSTALLATION OF THE DISPLAY UNIT 
3.6  CONNECTING TO THE GPS COMPASS 
3-15 
3 
 NSTALLATION MANUAL
  Connector for GPS compass/NSK equipment (J5) 
 
To GPS compass or NSK unit 
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) 
 
The connections described above are available only for receiving bearing data from 
JLR-10/20/30.    For details of the position information, refer to "3.5  CONNECTING 
TO THE JRC'S GPS RECEIVER". 
 Setting of the GPS Compass 
Set the following information with the GPS compass. 
Data output format=NSK 
Refer to the instruction manual for the GPS compass for the detailed setting method. 
 Setting of JMA-3300 
 Heading Equipment Setting 
For details of operations, refer to "4.1 OPENING THE ADJUST MENU" "4.7.2 
HEADING EQUIPMENT". 
1  Hold down the [MENU] key. 
"Code Input" screen appears. 
2  Input "0" using the cursor keys, then press the [ENT] key. 
"Adjust Menu" screen appears. 
3  Press the cursor keys to select    I/F Device , then press the [ENT] key. 
"I/F Device" screen appears. 
4  Press the cursor keys to select    Heading Equipment , then press the [ENT] 
key. 
Selectable items for "Heading Equipment" are displayed. 
5  2. Set the gyro. 
 
 Baud Rate Setting 
When setting the gyro in "● Heading Equipment Setting", the setting of the baud rate is 
not required.