R

R600a
R600a is a HFC and CFC free refrigerant, providing the most environmentally friendly refrigerant available. It is extremely energy efficient.

RAM
Random Access Memory - this is the working memory used by a computer to process data.

Random/Repeat Play
Applies to CD Players. The disc can be set to play tracks in a random order or to repeat either one track or all tracks.

RDS
Data piggybacked on analogue FM radio allowing RDS tuners to display the names of stations. Used in most car stereos the feature is also useful in the home to let you know which station you are listening to.

Real Flat Blackline Tube
Offers superior contrast with low reflection.

Rear Projection
TV technology for super screen TVs in which the red, green and blue of TV images are projected onto a mirror which reflects the picture onto the rear of the viewing screen.

Rear Speakers
Dedicated speakers set behind the viewer to carry the surround sound channel (s) from a Dolby Pro-Logic or Dolby Digital source.

Red-eye Reduction
The camera shoots a small burst of light prior to the main flash which helps to contract the pupils and reduce the appearance of red pupils when using a flash.

Regional Code
Playback management system making discs specific to a particular region. The UK is within region code 2, so only region 2 or region free discs will play on UK DVD players.

Remote Control
Enables you to operate your equipment from a remote handset.

Re-set Speed
Minimum time taken (in seconds) for the camera to process and store a captured image, then re-set for the next shot.

Resolution
Display quality defined by the number of individual dots (pixels) used to create an image. The higher the number of pixels, the higher the image quality.

RF
Aerial-type connection between a video recorder and TV.

RF Loop Through
Allows the TV signal to be input and then distributed out again.

RGB / S-video Connection
Ensure the highest quality video playback.

Ringer Pattern
Can change the ringing tone with numerous choices.

Rising Time
This is the length of time it takes for the food temperature in the freezer to rise from -18°C to -9°C in the event of a power cut, with the door remaining closed.

RMS
Root Mean Square - commonly used when measuring the power output of a Hifi system, the RMS figure is quoted by most manufacturers to give a more realistic indication of the system's power output than the peak power output.

RS232 Connection/s
PC connection port for connecting equipment such as modems.

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