Furuno 1834C-BB Manual De Usuario

8. MAINTENANCE, TROUBLESHOOTING 

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

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.