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How do I switch from GSM mode to satellite calling or visa versa?

April 26, 2017GSM mode satellite Switch versa Visa

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How do I switch from GSM mode to satellite calling or visa versa?

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There is a satellite menu on the Telit SAT550 Satellite/GSM handset which enables you to perform this operation, further details can be found in the accompanying manual. The SAT550X loudspeaker doesn’t work. Check the following: * The SAT550 phone software is at version 7.5.1. * Make sure that the mini-handset is on-hook when the SAT550X is powered up. * Check that the rubber block is fitted. * Check that the mini-handset micro-switch is in contact with the rubber block. * Check that the loudspeaker jack plug is firmly in place.