Maintenance & Troubleshooting; Daily Test - Furuno FM-8900S Operator's Manual

7. MAINTENANCE &
TROUBLESHOOTING
WARNING WARNING
ELECTRICAL SHOCK HAZARD
Do not open the equipment.
Only qualified personnel
should work inside the
equipment.
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 ad-
vice. The DSC ROUTINE test checks, using a DSC signal, the encode and decode
functions of the signal processor.
If the displayed value
greatly increases compared
with the previous value, the
antenna may be damaged.
Refer to section 7.2 for
maintenance guidance.
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.
These items are not
available when own ship's
MMSI is not entered.
NOTICE
This item is not available
when not connecting the
alarm unit.
7-1