Interlocking controls - To avoid accidentally changing a camera parameter, some cameras require you to use multiple controls simultaneously to change a setting. This prevents accidental setting changes while carrying the camera.
Call Display/Caller ID - LCD display showing the incoming caller's name and phone number. The display shows the date, time and the caller's name and number. This feature requires a subscription to a service from your local phone company. An added dimension of caller ID is that it allows you to keep a record of incoming phone numbers.
Direct Preset Access - Permits direct access to a preset AM or FM radio station by using the receiver's remote control.
Auto Exposure Control - Automatically senses the ambient light intensity and adjusts the aperture and shutter speed for optimum exposure or turns the flash on if required. To take a good picture, the camera must allow precisely the correct amount of light to hit the film. This quantity of light can be controlled by making the opening at the lens wider or narrower or by controlling the amount of time that the shutter remains open to allow light to pass through. Inexpensive cameras may have no adjustments at all. Many cameras control the size of the lens opening, called the diaphragm or iris. They provide a wide opening for low sensitivity films, or low light conditions, and small openings for high sensitivity films or bright light conditions.
Anti-Aliasing - A technique used to smooth the transition between adjacent image areas. The removal or softening of jagged (aliased) edges by averaging or blending techniques.
Projection TV Set (PTV) - A term for a big screen TV that uses lenses to project video images on a screen. Rear projection models are one-piece. Front projection systems have a separate projector and screen.
DVD-RAM - A recorder which allows the user flexibility of starting to watch a program from the beginning as soon as they wish while still recording the end.
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