Thuraya SG-2520, Руководство пользователя

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You will be able to set the approach priority of the network.
SAT only
Operating as SAT only registration.
SAT preferred - If SAT Preferred is selected:
The mobile phone will initially attempt to access a SAT network, if no SAT network is available it will automatically at-
tempt to access a GSM network. When operating on a GSM network, the mobile phone periodically scans for available
SAT networks and will switch to SAT if the service is available. If SAT operation is desired, the mobile phone can be
manually switched to SAT mode using the ‘ SAT Only ’ single mode setting.
GSM only
Operating as GSM only registration.
GSM preferred - If GSM Preferred is selected:
The mobile phone will initially attempt to access a GSM network, if no GSM network is available it will automatically
attempt to access a SAT network. When operating on a SAT network, the mobile phone periodically scans for available
GSM networks and will switch to GSM if the service is available.
6.2. System preference