8. MAINTENANCE, TROUBLESHOOTING

8.8Diagnostics

This paragraph provides the procedures for testing the equipment for proper operation. Four tests are provided: Memory I/O test, Keyboard test, Remote controller test, and Test pattern.

8.8.1Memory I/O test

The memory I/O test provides for individual testing of the processor unit, control unit, FURUNO BB GPS receiver, Network Sounder ETR-6/10N, ETR-30N and ARP, displaying program number and checking for proper operation.

1.Press the MENU key to show the menu.

2.Press the E: SYSTEM CONFIGURATION soft key.

3.Press the C: SYSTEM SETUP soft key.

4.Press the B: TEST & CLEAR soft key.

5.Press the A: MEMORY I/O TEST soft key.

MEMORY

I/O TST

DISPLAY UNIT TEST

GPS SENSOR TEST*

NETWORK SOUNDER TEST**

ARP TEST***

RETURN

* = Requires a FURUNO BB GPS Receiver.

**= Requires Network Sounder ETR-6/10N or ETR-30N.

***= Requires ARP-equipped Model

18x4/19x4 series network radar.

MEMORY I/O TEST menu

7. Then, press appropriate soft key to start a diagnostic test.

8-7

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Furuno 1824C-BB, GD-1920C-BB, 1954C-BB, 1964C-BB, 1944C-BB, 1934C-BB manual Diagnostics, Memory I/O test, Memory I/O Test menu