Using the VisionAssist app to magnify a printed page
Screen shot of VisionAssist Magnification
Opens a short document in a pop-up window that explains the various symbols users will encounter using VisionAssist.
Toggle AutoFocus Button
Switch between AutoFocus and Fixed Focus
Allows users to set a variety of app settings related to display modes, highlighting, and user controls (see below anchor tag needed to below).
Increase Contrast Button
Increases the contrast
Increase Zoom Button
Increases the zoom
Zoom levels between 2x and 20x
Decrease Contrast Button
Decreases the contrast
Change Mode Button
Color video is always enabled and “…provides color video, great for looking at photos and magazines.”1
Highlights mode “…provides a high contrast image in two colors.”1 Highlights Mode colors include black on white, white on black, black on yellow, and blue on yellow. Users can also enable inverse of each color mode.
Smart Text mode “…uses our advanced algorithms to highlight and enhance text particularly on uneven backgrounds. Great for reading newspapers or books.”1
Black and White Video
B&W mode “…provides grayscale video”1
Pause Display Button
Freeze the screen and save images of whatever you’re magnifying
When you have paused the screen, the controls to change mode and increase/ decrease zoom will work on the paused image.
When the Pause Display button is activated, a Save Image button will appear along the bottom edge of the screen in the middle between Change Mode and Pause Display. When screen shot is saved, the interface buttons will not show on your image but the magnification, contrast, and color mode will. Users will find these images available in their iOS Photos app.
Decrease Zoom Button
Decreases the zoom
These settings allow users to change what color modes are available when using the Change Mode button.
Toggle Highlights on and off
Toggle Smart Text on and off
Black and White Video
Toggle B&W Video on and off
Highlights Mode Colors
Allows you to choose one of the four settings: black on white, white on black, black on yellow, and blue on yellow.
Enable Highlights Inverse Color Mode
Toggle the inverse of the selected Highlight on and off
Enable Panning Only When Paused
When enabled, allows user to pan around the paused image. At this time, this feature does not work with VoiceOver.
Tap Screen to Hide Controls
When enabled, allows users to hide/show the interface controls. At this time, this feature does not work with VoiceOver.
Disable Auto Dimming of Display
When enabled, prevents the display from timing out due to inactivity.
Use Buttons for Zoom and Threshold
When enabled, changes the increase/decrease buttons for zoom and contrast to sliders.