Dell 2335DN - Manual (Page 220)

Tools Function
Saves the image.
Cancels your last action.
Restores the action you canceled.
Zooms the image out.
Zooms the image in.
Allows you to scroll through the image.
Crops the selected image area.
Allows you to scale the image size; you can enter the size manually,
or set the rate to scale proportionally, vertically, or horizontally.
Allows you to rotate the image; you can select the number of
degrees from the drop-down list.
Allows you to flip the image vertically or horizontally.
Allows you to adjust the brightness or contrast of the image, or to
invert the image.
Shows the properties of the image.
For further details about the Image Manager program, refer to the onscreen help.