User's Manual

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User Guide Manual - 12
◈ Quick Guide of GSM/ GPRS function
Precisely read following instructions before using GSM/GPRS function.
1) After turned off the device, insert a SIM card.
※ I f the SI M card is inserted or taken out when the device is
turned on, it could result in damage to the card.
2) The cover of the SI M card slot should be closed tightly by
using a screwdriver. I f not f it into the slot, may be recognized
as no SIM card. So check below indication icons at the right
bottom of the screen to understand status.
I con Description
No SIM card
Disconnection of network service
Signal strength
※ I f the SI M card is not inserted or the slot is open, the
GSM module power is cut.
3) I f the slot is open while the device is working, the following
picture is displayed and the device is not operated.
On this occasion,
re-insert the SIM
card precisely and
close the slot cover
correctly.
Then supply power
into the device.
4) To send text messages, the setting of SMSC (Short Message
Service Center) should be checked on the menu; Setting 
Phone.