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GSM-R user procedures (cab radio Version 2)

Searching networks

PR 1A45 990

Please wait

Pre-registered

Tick to register

PR 1A45 990

GSM-R GB

If the cab radio has been pre-registered but fails, for any reason, to register when you

press the tick key at the start of GSM-R section sign, or if the wrong TRN is displayed

when registered, you should attempt to register again when safe to do so. If the second

attempt also fails, you will need to contact the signaller at the first opportunity to report the

failure.

If the TRN displayed is a duplicate see section 9.3.5.

6.3 Deregistering the cab radio

At the end of each journey you must deregister the cab radio (or when reaching the end of

GSM-R coverage and the radio is not intended to be used later in the journey). It is

important that you deregister the cab radio (unless you are keeping the same TRN for the

journey, see section 6.4 – keeping registration). This will avoid duplicating registration

identities and make sure that the TRN is removed from the signaller’s fixed terminal.

When changing ends you must deregister the previous TRN and register the new one at

an appropriate time and place (within a GSM-R coverage area and with the train at a

stand).

 Before you can successfully register using a normal location code in a signal assisted

call routing area, the TRN must have been entered into the relevant signal berth on

the train describer and the train must be standing in that signal berth when you

be returned.

You must deregister the cab radio where GSM-R coverage is available, as it relies on the

cab radio communicating with the GSM-R network. Until the GSM-R network is rolled out

fully, the end of a GSM-R coverage area will be shown by a lineside sign (see section 4.1).

You must deregister the cab radio upon reaching this sign unless your train is scheduled to

enter another GSM-R area further on in its’ journey.

6.3.1 Deregister the cab radio (end of journey)

The simplest way to deregister the cab radio at the end of a journey, when you will not be

returning to the train, is by taking your key out.

Pressing

at the point that you need to register

within the GSM-R coverage area will begin the

registration process. It will send the registration

identity to the GSM-R network.

While the cab radio is outside the GSM-R

coverage area, the display will show that it is

searching for the network.

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