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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.