eTIGER S3b Sim Secual Kurzanleitung Seite 8

Change the system language
Send "0001" by SMS to the control panel to set the system
language to English.
The control panel replies "Ok" as a confirmation.
Attention
Before sending the SMS, make sure the GSM reception is
ready. The reception is ready when the indicator
once every two seconds.
8
Blinks once every second: searching GSM network
Blinks once every two seconds: GSM reception is ready
0001
Ok
blinks