Apple iPod touch iOS 8.1 - Manual (Page 140)

Appendix A Accessibility 140
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Disable app controls and areas of the app screen: Draw a circle or rectangle around any part
of the screen you want to disable. Drag the mask into position or use the handles to adjust
its size.
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Enable the Sleep/Wake or volume buttons: Tap Options below Hardware Buttons.
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Keep iPod touch from switching from portrait to landscape or from responding to other motions:
Tap Options, then turn off Motion.
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Prevent typing: Tap Options, then turn off Keyboards.
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Ignore all screen touches: Turn off Touch at the bottom of the screen.
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Set a session time limit: Tap Time Limit Options at the bottom of the screen.
End the session. Triple-click the Home button, then enter the Guided Access passcode.
Switch Control
Switch Control lets you control iPod touch using a single switch or multiple switches. Use any
of several methods to perform actions such as selecting, tapping, dragging, typing, and even
free-hand drawing. The basic technique is to use a switch to select an item or location on the
screen, and then use the same (or different) switch to choose an action to perform on that item
or location. Three basic methods are:
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Item scanning (default), which highlights different items on the screen until you select one.
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Point scanning, which lets you use scanning crosshairs to pick a screen location.
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Manual selection, which lets you move from item to item on demand (requires multiple
switches).
Whichever method you use, when you select an individual item (rather than a group), a menu
appears so you can choose how to act on the selected item (tap, drag, or pinch, for example).
If you use multiple switches, you can set up each switch to perform a specific action and
customize your item selection method. For example, instead of automatically scanning screen
items, you can set up switches to move to the next or previous item on demand.
You can adjust the behavior of Switch Control in a variety of ways, to suit your specific needs
and style.
Add a switch and turn on Switch Control
You can use any of these as a switch:
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An external adaptive switch. Choose from a variety of popular USB or Bluetooth switches.
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The iPod touch screen. Tap the screen to trigger the switch.
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The iPod touch FaceTime camera. Move your head to trigger the switch. You can use the camera
as two switches; one when you move your head to the left, and the other when you move
your head to the right.
Add a switch and choose its action. Go to Settings > General > Accessibility > Switch Control >
Switches. If you use only one switch, it is your Select Item switch by default.
If you’re adding an external switch, you need to connect it to iPod touch before it will appear
in the list of available switches. Follow the instructions that came with the switch. If it connects
using Bluetooth, you need to pair it with iPod touch—turn on the switch, go to Settings >
Bluetooth, tap the switch, then follow the onscreen instructions. For more information, see
Bluetooth devices on page 36.