Furuno FM-8900S Manuel D’Utilisation

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7-1
7.
MAINTENANCE &
TROUBLESHOOTING
7.1
Daily Test
Do the daily test to check the radiotelephone for proper operation.
Rotate the CHANNEL/ENTER knob to select [TEST] on the [MENU] screen then push 
the knob. The daily test starts. After the test is completed, the audio alarm sounds and 
the screen shown below appears. This screen shows:
• Test date
• Program version number
•  Test results for TX power, TX PLL, RX PLL, DSC PLL, DSC loopback, DSC routine, 
ROM, RAM, RTC, DSP, FPGA and alarm unit (only when connecting the alarm 
unit), shown as [OK] or [NG] (No Good). For NG, contact your dealer for advice. The 
DSC test checks, using a DSC signal, the encode and decode functions of the sig-
nal processor.
To print out the test result manually, press the 5 key. Automatic printing of the daily 
test is available. See section 5.5.
Do not apply paint, anti-corrosive sealant 
or contact spray to plastic parts or 
equipment coating.
Those items contain products that can 
damage plastic parts and equipment coating.
ELECTRICAL SHOCK HAZARD
Do not open the equipment.
Only qualified personnel 
should work inside the 
equipment.
WARNING
WARNING
NOTICE
x x
This item is not available 
when not connecting the 
alarm unit.
These items are not 
available when not enter-
ing own ship’s MMSI.