Chapter 3: Service & maintenance
Diagnostics & troubleshooting
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Ser
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Self Test
Two different self tests are available:
•
Tx single-band transmission test
•
Tx multi-band transmission test
The Tx single Band test performs a two-tone transmitter test on the current TX
frequency shown in the display.
The output of this test is the transmitted power and the battery voltage. Note
that the output power is not calibrated, so the power figure may only be used
as a guideline. The battery voltage should not drop significantly during this
test, as this indicates a poor installation (e.g. thin wires, etc.)
The Tx Multi Band test is similar to the single band test. However, this test
automatically transmits on the channel
next to
all six distress SSB frequencies:
•
2182+3 kHz
•
4125+3 kHz
•
6215+3 kHz
•
8291+3 kHz
•
12290+3 kHz
•
16420+3 kHz
If you exit the test before it is finished, a system status message will not be
added to the diagnostics log.
Note
This test transmits a short two-tone test signal at full power — the
radio operator needs to verify that the channel is free from any traffic
before starting the test!
Note
This test transmits a short two-tone test signal at full power — the
radio operator needs to verify that the channels are free from any
traffic before starting the test!
