GAC GA4 Manual page 188

4. Operating System and Equipment
USB Picture Play
- Click "Picture" soft button on the main
interface of button mode or click "Picture" soft
button on the pop-up box as inserting the USB
device to enter the picture play interface.
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Description of soft button functions:
Icon Description
Play the previous image
Play the next image
► Play
Pause
- When the picture is switched to fullscreen play,
click the picture play interface to jump out of
the soft button bar.
- During the picture scan process, zoom in or
out the picture with two fingers.