Samsung Galaxy Alpha - Manual (Page 214)

Accessibility
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3
Press and hold the Home button and the Volume button down simultaneously while
using an app.
4
Adjust the size of the frame or draw a line around an area that you want to restrict.
5
Tap Done.
The device displays the restricted area. If you tap the screen or press buttons, such as the
Home button, they will not work in this area.
To deactivate interaction control mode, press and hold the Home button and the Volume
button down simultaneously.
Answering and ending calls
Change the method of answering or ending calls.
On the Apps screen, tap Settings
→ Accessibility → Answering and ending calls.
Use the following options:
• Pressing the home key: Set the device to answer a call when you press the Home button.
• Using voice commands: Set the device to answer a call with voice commands.
• Pressing the power key: Set the device to end a call when you press the Power button.
Using single tap mode
Set the device to control incoming calls or notifications by tapping the button instead of
dragging it. When an alarm sounds or a call comes in, tap the button to stop the alarm or
answer the call instead of dragging the button.
On the Apps screen, tap Settings
→ Accessibility, and then tick Single tap mode.