LX20B – Manual Page 5 / 67
10. Led diodes indication ...................................................................................... 64
10.1. Logging to GSM network ................................................................................................. 64
10.2. GSM range ......................................................................................................................... 64
10.3. Data transmission ............................................................................................................. 65
10.4. Receiving of dtmf data .................................................................................................... 65
10.5. Programming ..................................................................................................................... 66
10.6. Firmware updating ........................................................................................................... 66
10.7. SIM card error ................................................................................................................... 67
10.8. System error ...................................................................................................................... 67
11. Changelog .................................................................................................... 67