Furuno gp37 用户手册

8. MAINTENANCE & TROUBLESHOOTING 

XX = Program version no.

 

XX = Program version no.

 

Note 1: DATA2 requires a special 
connector to check. “- -” appears as the 
result when no connector is connected. 

Note 2: CNT shows the number of times 
the test has been executed consecutively. 

5.  After the equipment has displayed the test 

results, a beep sounds and the message 
PUSH KEY appears at the top right-hand 
corner. 

6.  Press each key one by one. The name of 

the key pressed momentarily appears at 
the top right-hand corner if the key is 
functioning properly. 

Note: If no key is pressed within approx. 
five seconds, the equipment automatically 
proceeds to step 7. 

7.  The equipment displays the following 

message to inform you that it is now going 
to check the LCD: 

 

8.  The LCD is checked, and then the test is 

repeated. To stop the test, turn off the 
power. 

 
 

You may clear GPS data, menu settings and 
all backup data to start afresh.   
 
1.  Press the [MENU] key once or twice to 

open the menu. 

2.  Choose ERASE and then press the [ENT] 

key. 

3.  Choose GPS DATA, MENU SETTINGS, 

or ALL BACKUP DATA as appropriate 
and then press the [ENT] key. One of the 
following messages appears. 

GPS DATA

MENU SETTINGS

BACKUP DATA

 

4. Press ◄ to choose YES and then press 

the [ENT] key. The following display 
appears.