Chapter 3: Service & maintenance
Maintenance
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DSC self test
To run a control routine DSC self test, do as follows:
1. Press the soft key
SETUP
. If it is not in the display, press the soft key
MORE
until
SETUP
appears.
2. Press the arrow soft key
or
to advance to
DSC SETUP
.
3. Turn the selector knob to select
DSC Self Test
. Press and turn the selector
knob to select
RUN
.
The test will check the ability to encode/decode DSC signalling on RF level.
The radio will automatically transmit a DSC safety test call to its own MMSI
number without enabling the transmitter power amplifier. In parallel the
radio decodes and compares the received call to be the same as the
transmitted.
The display shows the result of the test.
4. Press the soft key
OK
to acknowledge the
test result and resume normal operation.
Temperature specifications
Normal operating temperature: 0°C to +40°C
Extreme operating temperature: -15°C to +55°C
Important
If the DSC loopback test fails, this indicates the DSC
functionality does not work correctly — including the ability to
send a Distress message.
Contact your dealer immediately for further advice.
OK
8381.0
8089.0 TX
SSB
N/A
RX
DSC loopback
test passed
DSC Warning
S