S190TG User Manual V1.0
LED/LCD Indications .............................................. 12
5 SETTING AND PROGRAM OPERATION
16
Setting mode introduces........................................ 17
Restore Default Setting .......................................... 17
Control Caller ID Display........................................ 17
Hardware check ...................................................... 18
Check the version of software............................... 18
Set Speaker Volume................................................ 19
Set Microphone Gain Level.................................... 19
GSM Dialing Set (Convert Prefix number)............ 20
Call limit function.................................................... 21
Disable SIM card lock ............................................. 22
Enable SIM card lock .............................................. 22
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