GT200 User manual
4.
Basic Function
4.1. Turning GT200 On or Off
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To turn on GT200, please hold down Power key.
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In state of power-on, hold down Power key to turn off GT200.
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Before turn on GT200, please make sure your SIM card is not PIN locked.
4.2. Number Key Dial Call
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User can preset 4 phone numbers by backend server, each number key corresponding to one
phone number.
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When you want to make a phone call, first press Number Key X, and then press Answer Key
to call this preset phone number.
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Press Hang Up Key to end the call while in dialing process.
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If the call is received, it will be in talking state.
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Press Hang up Key to end the call while in talking state.
4.3. Make An Emergency Call
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At first, user should preset the SOS call number.
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User can keep press SOS key for 3 seconds with any case to dial the SOS call number for help.
At the same time, GT200 will try to get GPS fixing and send the report with position
TRACGT200UM002
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