Prism A F a USER MANUAL ENGLISH VERSION Page 1 Prisma AF English Rev 1.
Table of Contents Package Contents .................................................... 2 Installation ................................................................ 3 Controls .................................................................... 5 Power .................................................................... 5 Mode ..................................................................... 5 Magnification ......................................................... 5 Overview .........................
Installation Insert the output cable into the rear of the camera. Plug the transformer into a wall socket and… Plug the SCART connector into the television* and power on the television. …plug the power connector into the socket located mid-way along the output cable. You should have an image on the TV. If not, use your TV’s remote control or control panel to switch to “Video” or Power on the Prisma AF.
25cm - 30cm Raise the camera so that it is roughly 25 to 30 cms above the table. If it is too far or too close to the text the camera will not be able to focus correctly. The light can be rotated as shown. It should be adjusted so that it shines on an area centred about the camera’s image. Page 4 Prisma AF English Rev 1.
Controls Zoom Up Overview Power Mode Zoom Down Power Push the button to turn the power on. A blue image will appear on your TV and, after a few seconds, the picture from the camera will appear on the TV. Pushing the Power button again will power-off the Prisma AF. Mode Repeated pressing of the Mode button will cycle through the three available viewing modes. • Photo mode – full colour for general viewing. • Positive mode – high contrast black on white.
the zoom buttons though image quality will deteriorate. Overview 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. An “X” is displayed in the centre of the screen as an aid to location. Place the point of interest under the “X” and press any key to restore the magnification to the previous level.
Using the Prisma AF Reading with the Prisma AF Place the Prisma AF on a suitable table near the television and sit in front of it. Ideally the television should be at eye level or slightly below, and the Prisma AF reading table should be level with your elbows when seated. A good reading position prevents problems with your back, neck and arms. Place the material you wish to read on the reading table, looking at the TV screen to see where you are. Adjust the magnification to suit.
across the reading table with the rubber side upwards. Place the book on the mat and slide the mat from side to side. Writing with the Prisma AF Remove the mat from the table. Place the page under the camera and locate the area of the page where you wish to start writing (the overview function is useful for this). Holding the page firmly, bring your pen, raised well above the paper, until the nib is visible on the screen at the point you wish to write. Lower the pen to the paper carefully and write.
switch to photo setting when in mirror mode and switch back to the last reading mode when returned to the reading position. You should try to keep the Prisma AF close to the TV screen for ease of use. Focus lock Press Mode and Overview simultaneously to turn off the autofocus facility. Repeat to re-enable autofocus. Lighting on/off If you wish to turn off the LED lighting then, with the unit powered off, press Zoom Up and power the unit on. Repeat to allow the lighting to function again.
If the hinges loosen with use they can be tightened with the Allen key provided. To do this, pull off the caps covering the hinge screws and insert the Allen key into the screw head. Turn each screw clockwise about a quarter turn – do not over-tighten. Replace the caps. Use only the supplied power supply and inspect the cabling regularly for damage.
Specifications Dimensions: Power: Modes of Operation: Magnification: Temperature: Output Table area: 24 x 41cm Folded height: 9cm Raised height: 40cm Weight: 1.1kg 12V 600mA from the power supply provided. High-contrast positive, high contrast negative and full colour normal. Dependent on screen size and aspect 21” 4:3 screen: 3.4x to 38x 32” widescreen: 5.6x to 62x Storage: -10°C to +60°C.
Warranty Ash Technologies warrants the equipment, when purchased new, to be free from defects in material and workmanship and will repair or replace at Ash Technologies' discretion, any equipment which exhibits such defects; provided that the equipment has been operated under the proper conditions of installation and has not been tampered with by any persons not authorised by Ash Technologies or its agents and that it is solely serviced by Ash Technologies or its agents.
