Nextar V4-TV Hardware Instruction Manual page 40

Photo Viewer
You can set the slide show on or off to determine whether or not to
play photos in slide show mode. When the slide show is on, you can
set the interval between two photos during slide show.
After setting, tap to confirm or tap to cancel.
Next, tap a photo in the photo list to open it.
When you tap , the slide show will start.
To stop the slide show, double tap the screen.
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