HTC Desire - Turning Airplane Mode on or off

74 Phone calls
Voice Privacy
Encrypts outgoing voice calls and uses secure channels when
available.
Turning Airplane mode on or off
In many countries, you are required by law to turn off the phone while
on board an aircraft. A way to turn off the phone function is to switch
your phone to Airplane mode. When you enable Airplane mode,
all wireless radios on your phone are turned off, including the call
function, data services, Bluetooth, and Wi-Fi.
Press HOME > MENU, and then tap Settings > Wireless &
networks.
Select or clear the Airplane mode check box to enable or disable
Airplane mode.
When enabled, the Airplane mode icon ( ) is displayed in the
status bar.
When you disable Airplane mode, the call function is turned back on
and the previous state of Bluetooth and Wi-Fi is restored.
1.
2.