Furuno SC-120 Manuale Utente

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4. MAINTENANCE, TROUBLESHOOTING 
 
 
 
4-4
Diagnostic test2 
If the heading indication changes randomly when ship is at anchor or does not 
change when the ship moves, run the test2 following the procedure below, with 
the ship at anchor and satellite signal received. 
 
Note:
 Heading is not output during the diagnostic test, and this is communicated 
with an appropriate message. After completing the diagnostic test, turn 
the power off and on to update heading data. 
 
1.  Press the [MENU] key to open the menu. 
2.  Choose SYS SETUP and press the [ENT] key. 
3.  Choose TEST? and press the [ENT] key. 
TEST1
TEST2
 
Test menu options 
4.  Choose TEST2 and press the [ENT] key. 
TEST START?
(STOP: PWR OFF)
ARE YOU SURE?
YES 
 NO
 
Test start prompt 
5. Press ◄ to choose YES and press the [ENT] key. 
6.  Press the [ENT] key twice. Rate and angle values are 0.0
°
. If the values 
increase or decrease markedly (with ship at anchor), suspect rate sensor 
trouble. Contact your dealer to request service. 
TEST2
RATE
ANGLE
YAN
ROL
PIT
0.0
°
0.0
°
0.0
°
0.0
°
0.0
°
0.0
°
<STOP: PWR OFF>
 
TEST2 display 
7.  Turn off the processor unit to quit the diagnostic test2.