7. MAINTENANCE, TROUBLESHOOTING

7.5.3Keyboard test of the control unit

The keyboard test checks the controls on the control unit 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 B:KEYBOARD & REMOTE TEST soft key.

PROGRAM

No. 0359203-03.01

ROM

:OK

ROM

:OK

Screen for testing keyboard, remote controller

6.Operate each control on the keyboard one by one. A key is functioning properly if its on-screen location “fills” in black when the key is pressed. For the [ENTER] knob and trackball, rotate them to show their X-Y positions digitally, and push the [ENTER] knob to confirm its function. Their ranges are –999 to +999.

7.Press the [CLEAR] key three times on the control unit to escape from the test.

8.Press the [MENU] key to close the menu.

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Furuno 1833C-BB, FURUNO MARINE RADAR Keyboard test of the control unit, Screen for testing keyboard, remote controller