Furuno FSV-84 SONAR User Manual


 
11. MAINTENANCE, TROUBLESHOOTING
11-10
11.8.3 Panel test
This test checks the keys, controls and trackball of the control unit. Select
PANEL TEST from the TEST menu and press the [MENU] key to do this test.
PANEL TEST
PRESS MENU KEY TO QUIT TEST MODE.
00
X = 0
Y = 0
000
00
0000
00
0
0
00
00
00
00
00
0000
1
00
X = 0
Y = 0
000
00
0000
00
0
0
00
00
00
00
00
0000
2
*
PANEL test
Key check: Press each key one by one. A key is normal if its
corresponding on-screen location shows “1” while the key is
pressed and “0” when the key is released. The power keys
(ON and OFF) can not be checked.
Control check: Operate each control one by one. A control is normal if
rotating clockwise indicates positive, and counterclockwise,
negative. The [BRILLIANCE] control, [AUDIO] control and the
[POWER] switches cannot be checked.
*: When two control units are connected, 1 is for main control unit and 2 is for
sub control unit.
Trackball check: Operate the trackball. X-Y coordinates of trackball position
are displayed. Normal conditions are as follows.
Rightward: X positive
Leftward: X negative
Upward: Y positive
Downward: Y negative
Lever check: Press the lever upward or downward. Normal conditions
are 1 for upward and 2 for downward.