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Glossary
ProScan/Progressive Scan: Progressive Scan (abbr. PS) or full picture
method is a technique in the picture build-up of monitors, TV sets,
beamers, and other display devices in which the output device is not
sent line interlaced half pictures – unlike in the interlace technique – but
real full pictures.
PSK: Stands in connection with WLAN encoding for Pre-Shared Key.
Clients, who want to connect up to a wireless network secured with
PSK have to know this key.
R
RGB: Colour signals red, green and blue.
Router: Device for connecting up several networks, e.g. home network
and internet.
S
Satellite tuner: Receiver for satellite programmes.
SDTV: Standard Definition TeleVision.
SECAM: French colour standard.
Set-Top-Box: Set-Top-Box (STB for short) refers to a device in entertain-
ment electronics which is connected to another device, usually a TV set,
and offers the user additional functional options.
Signal input groups: Depending on the applied signal, the signal sources
are divided into different groups. All signal input groups with their cor-
responding signal types and the possible inputs are listed below.
TV analogue:
Signal type: FBAS, YC, RGB-SD (480i/576i), Component-SD (480i/576i)
Input:
Tuner analogue, AV, AVS
TV digital:
Signal type: DVB-SD, HDMI-SD (480i/576i)
Input:
Tuner digital, HDMI1, HDMI2
HD analogue:
Signal type: RGB-HD (video mode: e.g.1920x1080, 1280x720),
Component-HD (video modes: e.g. 1920x1080, 1280x720)
Input:
PC IN
HD digital:
Signal type: DVB-HD, HDMI-HD
Input:
Tuner digital, HDMI1, HDMI2
PC:
Signal type: RGB
(PC modes: e.g. 800x600, 1024x768, 1280x1024, 1360x768)
Input:
PC IN
PhotoViewer:
Input:
USB
Signal strength: Strength of the received antenna signal.
Signal quality: Quality of the incoming antenna signal.
Smart Card: The Smart Card is an electronic chip card issued by the respec-
tive programme provider or by the certification-free Pay-TV operators. It
contains the code which is decoded by the CA module.
Static contrast ratio: Describes the difference between the brightest and
darkest picture display.
Stereo: Dual-channel audio.
Switch: Device for connecting several computers to a network.
Switch voltage: Video devices specify this voltage to switch the TV device
to playback.
Symbol rate: Describes the transmission speed for data transmission.
T
Terrestrial: In data transmission a wireless transmission that does not use
satellites as intermediate station is referred to as terrestrial.
TFT: Thin Film Transistor. One widely distributed application is control of
liquid crystal flat screens, for which a signal transistor is used for each
pixel. This design of display is also referred to as active matrix, however
it is frequently also referred to as TFT display.
TOP: Table of Pages. Teletext system in which the individual pages are
divided into topics. The blocks stand for a higher hierarchy level (e.g.
News, Sport, Programmes) and the groups for the level below (e.g. Home/
Abroad, Football/Tennis). Abbreviations can be assigned to the pages
which are displayed in colour on the bottom line and can be selected
with the four coloured buttons on the remote control. Information is also
transmitted about which pages exist and which of them have sub-pages.
Tuner: Another term for receiver.
U
UPnP AV: Abbreviation for Universal Plug and Play Audio / Video. Is used
to control network devices from all manufacturers. Has become a wide
spread standard for home networking.
USB: Universal Serial Bus. Serial bus system for connecting external devices
(USB card reader, USB stick).
V
VGA: PC interface for connecting a monitor.
VPS: The Video Programming System (VPS) is a signal which some (but
not all) analogue TV stations transmit in the blanking gap. The signal is
used by video and DVD recorders when recording programmes to react
to delays in start time, programme changes and excesses of the planned
programme time.
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