Use an Alva BC640 display with VoiceOver

When using your Alva BC640 braille display with VoiceOver on your iPhone, iPad, or iPod touch, you can use the following key commands.

To ensure that your braille display uses the correct table, make sure that you have the latest version of iOS.


VoiceOver action

Display key

Move to previous item

Smartpad Left

Move to next item

Smartpad Right

Go to Status bar

Smartpad 2

Activates the Back button if present

Smartpad 3


VoiceOver action

Display key

Move to next item using rotor setting

eTouch 4, Thumb 4, or Smartpad Down

Move to previous item using rotor setting

eTouch 2, Thumb 2, or Smartpad Up


VoiceOver action

Display key

Double-tap the selected item

Router Row 1 or Router Row 2

Select item under your finger

Smartpad Enter or Thumb 3

Activates the Home button

Smartpad 1


VoiceOver action

Display key

Pause or continue speech

Smartpad 4


VoiceOver action

Display key

Pan braille to the left

eTouch 1 or Thumb 1

Pan braille to the right

eTouch 3 or Thumb 5

Toggle expanded status description

Status Router Row 1 or Status Router Row 2

Learn more

Refer to Common braille commands for VoiceOver for a universal list of commands.

The Feature Pack Perkins keys aren't currently suported.

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