Samsung UF-80DX Software User's Manual page 50

When pressed, the digital visual presenter image frequency toggles between 60
Hz and 75 Hz. Images transmitted via USB are not affected by this change.
When pressed, the freeze function is toggled on or off. Images transmitted via
USB are not affected by this change.
5. Memory
Turns off Freeze, Image Divide, 3x3 Multi, Recall and Rotate.
(For the UF-80DX only)
Divides the current image and an image saved in the memory of the digital visual
presenter into two images, and displays them at the same time. After pressing the
button, select a number button (1-8) in the dialogue box.(For the UF-80DX only)
When an image is displayed in Image Divide mode, the saved image is moved to
the left side of the screen.(For the UF-80DX only)
Divides all the images saved in the memory of the digital visual presenter into 9
screens and displays them at the same time.(For the UF-80DX only)
Saves the current image in the memory of the digital visual presenter.
After pressing the button, select a number button (1-8) in the dialogue box.
(For the UF-80DX only)
Displays an image saved in the memory of the digital visual presenter. After
pressing the button, select a number button (1-8) in the dialogue box.
(For the UF-80DX only)
Saves the values changed by the user, including zoom/shrink, focus, brightness
and color controls. After pressing the button, select a number button (1-4) in the
dialogue box.
Executes the values changed by the user, including zoom/shrink, focus,
brightness and color controls. After pressing the button, select a number button
(1-4) in the dialogue box.
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