Furuno FCV-288, Operator'S Manual

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3. MAINTENANCE, TROUBLESHOOTING
23
3.7 Diagnostics
If you feel your unit is not working properly,
conduct the diagnostic test to find the prob-
lem. If you cannot restore normal operation,
contact your dealer for advice.
1. Open the menu and select [Tests] under
[System] and press the ENTER key.
2. Use S or T to select [Diagnostic] Test
and press the ENTER key.
3. The ovals and circles at the bottom of the
test display are for checking the controls.
How to check key and TrackPad: Press
each key and the arrows on the TrackPad
one by one. A key’s (or arrow’s) corre-
sponding on-screen oval "lights" in red if
the control is normal. Press the same key
and the oval turns white.
How to check GAIN knob: Rotate the
knob. The indication goes higher with
clockwise rotation; lower with counter-
clockwise rotation. Press the knob. The
knob’s corresponding on-screen circle
"lights" in red if the knob is normal. Press
the knob and the circle turns white.
How to check MODE knob: Rotate the
knob. The corresponding on-screen circle
"lights" in red and white alternately and
the name of the setting selected appears.
4. To quit the test, press the MENU ESC key
three times to close the test menu.
No. Test item Content
1 ROM "OK" is shown if check is
normal; "NG" for fault.
SDRAM
NMEA
Reserved for factory
use. Special connector
required. Nothing ap-
pears unless the con-
nector is used.
Water temp. Water temp. and speed
from the re-spective
sensors. Up-dated ev-
ery three seconds.
Speed
2 Power Voltage of power
source. Updated every
three seconds.
Program
no.
XX: Program version no.
Color bar
Key, control check
Factory
use
1 2
XX.XX
XX.XX
XX.XX