Samsung S22C550H User Manual
Also see for S22C550H: User manual
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Contents
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97AppendixAppendixTerminologyOSD (On Screen Display)On screen display (OSD) allows you to customize on-screen settings to optimize the picture quality asrequired. You can change the screen brightness, tint, size and many other settings using menusdisplayed on the screen.GammaThe Gamma menu adjusts the grey scale that represents middle tones on the screen. Adjusting thebrightness brightens the whole screen, but adjusting Gamma only brightens the medium brightness.Grey scaleScale refers to levels of color intensity that show variations of color change from darker areas tobrighter areas on the screen. Changes to the screen brightness are expressed with black and whitevariation, and grey scale refers to the medium area between black and white. Changing the grey scalethrough Gamma adjustment will change the medium brightness on the screen.Scanning rateScanning rate, or refresh rate, refers to the frequency of screen refreshes. Screen data is transmittedas it refreshes to display an image, although the refreshing is invisible to the naked eye. The number ofscreen refreshes is called scanning rate and is measured in Hz. A scanning rate of 60Hz means thatthe screen refreshes 60 times per second. The screen scanning rate depends on the performance ofthe graphics cards in your PC and monitor.Horizontal FrequencyCharacters or images displayed on the monitor screen consist of numerous dots (pixels). Pixels aretransmitted in horizontal lines, which are then arranged vertically to create an image. The horizontalfrequency is measured in kHz and represents how many times horizontal lines per second aretransmitted and displayed on the monitor screen. A horizontal frequency of 85 means that thehorizontal lines that make up an image are transmitted 85000 times per second. The horizontalfrequency is indicated in 85kHz.Vertical FrequencyOne image is made of numerous horizontal lines. The vertical frequency is measured in Hz andrepresents how many images can be created per second by those horizontal lines. A verticalfrequency of 60 means that an image is transmitted 60 times per second. The vertical frequency isalso called "refresh rate" and affects screen flicker. |
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