Medion GoPal E570 Series Instruction Manual page 51

 You will return to the miniature view by tapping in the centre of the image.
 The image displayed will be subdivided into 6 fields by tapping on the
symbol (fade in grid).
Fig.: Full image mode with grid
 Tap on a square in the grid to zoom in on that area of the picture:
Fig.: Zoom-in Mode
 Tap on the centre of the image to go back to viewing the full picture.
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