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66 Using Phone Features
2.7 Turning the Phone Function On and Off
In many countries, you are required by law to turn off the phone while on board an
aircraft.
To enable or disable the phone function
1. On the Home screen, slide to the Settings tab, and then tap
Communications.
2. Tap the OFF/ON slider at the right side of the Phone option to enable or
disable the phone function.
To enable or disable Airplane Mode
Another way to turn off the phone function is to switch your device to Airplane
Mode. When you enable Airplane Mode, all wireless radios on your device are
turned off, including the phone function, Bluetooth, and Wi-Fi.
1. On the Home screen, slide to the Settings tab, and then tap
Communications.
2. Tap Airplane Mode to enable or disable Airplane Mode.
When you disable Airplane Mode, the phone function is turned back on and the
previous state of Bluetooth and Wi-Fi are restored.
2.8 Push to Talk
Push to Talk (PTT) is a communication service that allows you to use your device
for instant communication with one or many contacts simply by pressing the PTT
button.
Initializing the PTT service
1. Tap Start > Apps > Push to Talk.
Tip You can also press the PTT button on the left panel of the device to open PTT.