Ash Prisma HD Benutzerhandbuch - Seite 6

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 Negative mode – white letters on a black background.

 Semi-colours – five high contrast false colour modes.

If the mode button is pressed while in any reading mode the

unit will change to photo mode. If the mode button is

pressed again within 3 seconds the next mode will be

displayed. However if the button is pressed after 3 seconds

the unit will return back to the original reading mode. This

feature allows a quick view in photo mode. The 3 second

timeout is indicated by a click sound.

Magnification

Press the Zoom-Up button to enlarge the image and Zoom-

Down to reduce the image size. When reading you should

generally choose the smallest size that you can read

comfortably. Note that holding the Zoom-Up button for a

further two seconds at maximum optical zoom will allow the

unit to continue zooming digitally. Digital zoom is indicated

by an "xD" symbol in the top left corner of the screen.

Overview allows you to easily locate a point of interest on

the page you are viewing. Press and release the Overview

button to make the camera zoom out fully and revert to full-

colour mode. A dot is displayed in the centre of the screen

as an aid to location. Place the point of interest under the

dot and press any key to restore the magnification to the

previous level.

The camera will continuously autofocus to achieve the

sharpest image. However, please be aware that there is a

limited range over which the camera can focus. Raising the

camera too high (greater than 30cms from the base of the

camera to the page) or placing the camera too low (less

than 25cms from the page) will mean the camera cannot

Page 6

Prisma HD English Rev 1.00