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GSM-R user procedures (cab radio Version 2)
9.8.2.3 Option 3 - loudspeaker test
The loudspeaker test allows you to test the cab radio’s loudspeaker.
Loudspeaker test
GSM-R GB 1A51
9.8.2.4 Option 4 - Button tests
To select which button to test; two sub options are available:
a – Red button test (To allow you to test the railway emergency group call button
without actually making a call.)
b – Yellow button test (To allow you to test the urgent call button without actually
making a call.)
Once you have chosen the loudspeaker test,
you will hear a tone through the loudspeaker.
You can cancel the test by pressing and the
tone ends.
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