Furuno Ls4100 Manual De Usuario

 

 

4.  The ROM, RAM and NMEA port are 

checked, with the results shown as 
OK or NG (No Good). For any NG, 
request service. (A special connector 
is required to test the NMEA port. 
Nothing appears if no connector is 
connected.) 

5.  The squares at the right side of the 

test display are for checking the 
controls. Press each key and the 
arrows on the Cursor Pad one by 
one. A control’s corresponding 
on-screen square “lights” in black if 
the control is normal. 

6.  To return to the Installation menu, 

press the [MENU/ESC] key three 
times. 

7.  To restore normal operation, turn off 

the power and turn it on again. 

 

This feature tests for proper display of 
tones. 
 
1.  On the Installation menu, press▼ to 

choose LCD PATTERN. 

2. Press ► to start the test. The entire 

screen is black. 

3 Press ► again and the screen turns 

white. 

4. Press ► again and the screen 

shows a four-toned display. 

5. Press ► again to return to the 

Installation menu. 

6.  To restore normal operation, turn off 

the power and then it on again. 

WHITE

FOUR-TONE

    BLACK

The memory can be cleared to start 
afresh with default menu settings.   
 
1.  At the installation menu, press ▼ to 

choose MEMORY CLEAR. 

2. Press ► to open the options 

window. 

: YES
: NO    

3. Press ▲ to clear the memory. Beeps 

are generated while the memory is 
being cleared. 

4.  To restore normal operation, turn off 

the power and then turn it on again.