8
Notes:
Please always use the charger offered by the supplier. Dangers damages of the product caused by usage of any
unconfirmed charger will not be compensated and repaired.
The battery should be charged in time when the terminal automatic shutdown or being alarmed with low power.
The standby duration and call duration offered by the supplier is calculated in perfect functional mode, in practice,
working hours of the battery may vary due to difference of internet service, functional mode and usage mode.
Disconnect the terminal and charger as soon as possible after the battery is well charged.
IV. Installation of SIM Card
Open the back cover, then you will see the place where the SIM card is placed. Then push the SIM card into the slot
until it comes into its proper position completely and consolidate it with the dome sheet nearby.
Choose SIM card:
The type of the SIM card is GSM card (the SIM card of China Mobile is recommended).
Ensure sufficient money is within the SIM card in order to pay the communication fee.
Prepare a SIM card for mobile phone (the SIM card of China Mobile is recommended), make sure that the card
has opened such functions of Caller ID and sending and receiving SMS. If service platform real-time tracking is
in need, then GPRS function should be open.
Chapter IV Commands Corresponding to and Operation Method of Basic Functions
1. Location Inquiry
SMS Inquiry
Send command 666 plus password to the terminal, then the terminal will return a piece of detailed latitude and
longitude message.
For example: 6660000
Содержание TV680
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