Description
The TVi is a closed circuit television magnifier for the partially sighted using a small TV camera in an ergonomic, hand-held "mouse". The magnified image is displayed on a standard television in black and white. The mouse has rollers which facilitate easy scanning of text, and its mobility allows difficult-to-read items such as medicine bottles, cooking instructions, etc., to be magnified easily.
Key Benefits
- High contrast black-on-white and white-on-black image.
- Photo mode for viewing photographs.
- Exposure control to enhance poor quality text.
- Ergonomic mouse design with rollers for smooth tracking.
- Compact size, lightweight - perfect for travel.
Specifications
| CCIR (50Hz/PAL) system | EIA (60Hz/NTSC) system | |
| Output format(s) | 625-line
CCIR non-interlaced composite video with negative sync, 1Vp-p into
75 ohms. As above modulated on a UHF carrier on Ch36 |
512-line EIA non-interlaced composite video with negative sync, 1Vp-p into 75 ohms. |
| Magnification | x16
on a 14" screen x24 on a 21" screen |
x24
on a 14" screen x36 on a 21" screen |
| Power requirements | 230Vac 50Hz 10W | 110V 60Hz 10W |
| Total weight | 850g | 1 pound 14oz |
| Control box | 180 x 100 x 50 mm | 7" x 4" x 2" |
| Camera | 115 x 37 x 38 mm 100g | 4.5" x 1.5" x 1.5" 3½oz |