HTC T-Mobile G2 User Manual page 83

Placing and receiving calls
To disable phone calls (Airplane mode)
Some locations may require you to turn off your phone's mobile,
Wi-Fi, and Bluetooth wireless connections. You can turn off all these
wireless connections at once by placing your phone in Airplane
mode.
1 Press & hold the Power button
Touch Airplane mode.
2
You can also use the Settings application to turn Airplane mode
on and off and to configure other mobile and network settings.
See "Wireless & networks" on page 314.
T-Mobile G2
83
User's Guide