Furuno NX-700B manual Diagnostics, Memory test, Key test

3. MAINTENANCE & TROUBLESHOOTING

3.4Diagnostics

The memory test checks ROM, RAM, data port, battery, keyboard and LCD for proper operation and displays program version numbers.

1.Press the MENU/ESC key to open the main menu.

2.Press ▼ to choose Service, and then press the ENT key.

3.Press ▲ or ▼ to choose Test, and then press the ENT key. The message “Start test?” appears.

4.Press ◄ to choose “Yes”, and then press the ENT key.

Memory Test

Program No	: 0850193-01.*
Boot	: 0850192-01.*
ROM	: OK
SRAM	: OK
DRAM	: OK
CPU RAM	: OK
EEPROM	: OK
Battery	: OK (3.2V)

Hit any key.

*: Program version no.

Memory test

For any NG (No Good), contact your dealer.

5.When the message “Hit any key.” appears at the bottom of screen, press any key (except key) to show the key test screen.

Key Test

If there is no operation for 10 s, the screen changes.

Key test

6.Press each key (except key) one by one.

A key is functioning properly if its on-screen location fills in black when the key is pressed.

7.After all keys have been tested or no key is pressed after 10 seconds, the equipment starts the LCD test by showing the white and black display (level 0 to 9).

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