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Glossary
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Refresh rate The light-emitting element of a display maintains the same luminosity and color for an extremely short time. Because of this, the image
must be scanned many times per second to refresh the light-emitting element. The number of refresh operations per second is called the
Refresh rate and is expressed in hertz (Hz).
SDTV An abbreviation for Standard Definition Television that refers to standard television systems which do not satisfy the conditions for
HDTV
g High-Definition Television.
SNMP An abbreviation for Simple Network Management Protocol, which is the protocol for monitoring and controlling devices such as routers
and computers connected to a TCP/IP network.
SNMP Trap IP address This is the IP addressg for the destination computer used for error notification in SNMP.
Squeeze mode In this mode, wide-screen images in 16:9 mode are compressed in the horizontal direction so that they are stored on the recording medium
as 4:3 images.
When these images are played back by the projector in squeeze mode, they are restored to their original 16:9 format.
sRGB An international standard for color intervals that was formulated so that colors that are reproduced by video equipment can be handled
easily by computer operating systems (OS) and the Internet. If the connected source has an sRGB mode, set both the projector and the
connected signal source to sRGB.
SSID SSID is an identification number for connecting with a counterpart on a wireless LAN. Wireless communication is possible between
devices that correspond to SSID.
Subnet mask This is a numerical value that defines the number of bits used for the network address on a divided network (subnet) from the IP address.
SVGA A type of video signal with a resolution of 800 (horizontal) ^ 600 (vertical) dots that is used by IBM PC/AT-compatible computers.
S-Video A video signal which has the luminance component and color component separated to provide better image quality.
Refers to images that consist of two independent signals: Y (luminance signal) and C (color signal).
SXGA A type of video signal with a resolution of 1,280 (horizontal) ^ 1,024 (vertical) dots that is used by IBM PC/AT-compatible computers.
Synchronization The signals output from computers have a specific frequency. If the projector frequency does not match this frequency, the resulting
images are not of a good quality. The process of matching the phases of these signals (the relative position of the crests and the troughs in
the signal) is called Synchronization. If the signals are not synchronized, flickering, blurriness, and horizontal interference occur.
Tracking The signals output from computers have a specific frequency. If the projector frequency does not match this frequency, the resulting
images are not of a good quality. The process of matching the frequency of these signals (the number of crests in the signal) is called
Tracking. If tracking is not carried out correctly, wide vertical stripes appear in the signal.
VGA A type of video signal with a resolution of 640 (horizontal) ^ 480 (vertical) dots that is used by IBM PC/AT-compatible computers.
WPS WPS is an abbreviation of Wi-Fi Protected Setup. Wi-Fi Protected Setup has been devised by the Wi-Fi Alliance as a means of easily
setting up and securing a wireless LAN.
XGA A type of video signal with a resolution of 1,024 (horizontal) ^ 768 (vertical) dots that is used by IBM PC/AT-compatible computers.