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15.Glossary
EPG(Electronic Programme Guide)
An electronic equivalent to a printed television listings magazine; it is an application used with digital receivers and
digital television sets to list current and scheduled programs that are or will be available on each channel, including a
short summary or commentary for each program. The information supplied in the EPG is sent and updated by the
channel broadcaster.
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Frequency
The property of a signal measured in cycles per second (=Hz).
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FTA (Free- To-Air)
An unscrambled broadcaster allowing customers to view channels or services without paying any subscription.
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HDMI (High-Definition Multimedia Interface)
An all-digital audio/video interface that supports standard, enhanced, or high-definition video, plus multi-channel digital
audio on a single cable. It transmits all ATSC HDTV standards and supports 8-channel digital audio.
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Hi-Fi (High Fidelity)
The characteristics of audio devices that can play back all the audio frequencies a person can detect, which is the range
of 16Hz and 20KHz. Sometimes it is used to indicate good quality of audio devices such as stereo tape products.
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OSD (On Screen Display)
OSD displays the basic information necessary for the users to configure monitor or TV settings. OSD information may
include brightness, contrast, tuning, RGB adjustment, and screen size and position.
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OTA (Over The Air)
A standard for the transmission of software for equipment, through a broadcast system. Manufacturers reserve the right
for deciding the release of the software for their products.
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RF (Radio Frequency)
Television signals are modulated onto RF signals and are then demodulated by your television's or receiver’s tuner.
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RS-232C
A connection to allow you to connect to a PC to update receiver’s software.
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Smartcard
A chipcard the same size as a credit card which must be inserted into the digital receiver in order to descramble the TV
signals.
15. Glossary
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