C o n t e n t s
Data connections.....................................................................................86
HSCSD)......................................................................................................86
GSM data calls........................................................................................87
Connection manager..............................................................................87
21. Shortcuts...............................................................................90
General shortcuts.....................................................................................90
Noise............................................................................................................96
Roaming.....................................................................................................96
Signal impairment...................................................................................96
Low signal strength................................................................................96
Battery.........................................................................................................97
Boom Headset HDB-4.............................................................................98
Medical devices......................................................................................101
Pacemakers..........................................................................................101
Hearing aids.........................................................................................101
Vehicles.....................................................................................................101
Emergency calls.....................................................................................101
RADIO WAVES.......................................................................................102
Appendices ...............................................................................107
Index...........................................................................................109