GSM
To change the GSM parameters, in the Tools Bar Menu choose the Device Configuration / GSM . In the opened GSM configuration window you can change the device functions which are directly connected with the data sending via GSM network. If you are not using any GSM servises, you can switch off the device's connection to the network and in such way save battery energy.
To switch off the GSM service function, remove selection from Enable GSM . When the selection is removed, the program will not let you change any function parameters which directly depends from this function. If the parameters of your using function became disabled, tick Enable GSM .