Hitachi L42S504 Owners Guide - Page 31
Video - what is the contrast ratio
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ON-SCREEN DISPLAY Video Other Video Menu Setting Adjustments Use the CURSOR PAD or to highlight the function to be adjusted. 1. Press the SELECT button or the CURSOR PAD to select the function settings. 2. Press the CURSOR PAD or to adjust the function. 3. Press MENU to return to main menu. 4. Press EXIT to quit menu. Contrast Use this function to change the overall light output to match the viewing area. Increase for brighter rooms. Brightness Use this function to change the overall brightness of the dark areas of the picture. Color Use this function to adjust the level of color in the picture. Tint Use this function to adjust flesh tones so they appear natural. Sharpness Use this function to adjust the amount of fine detail in the picture. Color Temp. Set this to High for cooler color with more blue, set to Medium for a more natural color or set to Standard for accurate color. Noise Reduction The Noise Reduction function automatically reduces conspicuous noise in the picture without degrading picture quality. Set Noise Reduction to OFF if you see individual blocks in the picture. MPEG NR The MPEG NR (Noise Reduction) function automatically reduces block noise in the picture without degrading picture quality. Gamma The Gamma function allows you to set between three levels of gamma ratio correction values (Gamma 1, Gamma 2, or Gamma 3) to produce pictures contrast. Backlight Adjust the brightness of the Backlight for maximum visibility. It changes the intensity of the backlight. Increase for bright rooms and decrease for darker rooms to make the dark areas of the picture black. Auto Movie The Auto Movie function sets the 3:2 pull down detection feature to Auto or Off. Theatrical movies are shot on film at 24 frames or still pictures per second, instead of 30 frames or 60 fields like video. When film is transferred to video for television viewing, the disparity between the two frame rates must be reconciled. This involves a process known as 3:2 pull down. When Auto Movie is set to Auto your Hitachi LCD Television will activate the circuitry for this special feature to improve video performance when watching interlaced format film based sources. Set to OFF to deactivate this feature. Reel120 Motion Hitachi's advanced video processor can display movies at 120 frames per second. The following settings are available to smooth the motion of movie sources. Please note that the effect may not be immediately noticeable and the effect depends on the content of the movie. Video Audio Setup Channels Multimedia MPEG NR Gamma Backlight Auto Movie Reel120 Motion Aspect Ratio Reset Off Gamma 2 20 Auto Mid Auto Move SEL Select Return EXIT Exit 1. Use the CURSOR PAD , to highlight Reel120 Motion function. 2. Press the CURSOR PAD to select Off, Low, Mid, or High. High: Use this setting for the maximum smooth motion effect. Mid: Use this setting for a moderate smooth motion effect. Low: Use this setting for a mild smooth motion effect. Off: Use this setting if there is noise with the High, Medium or Low settings. NOTE Please note that the effect may not be immediately noticeable and the effect depends on the content of the movie. Aspect Ratio Use this function to select the Picture Format Aspect Ratio. Video Audio Setup Channels Multimedia MPEG NR Gamma Backlight Auto Movie Reel120 Motion Aspect Ratio Reset Off Gamma 2 20 Auto Mid Auto Move SEL Select Return EXIT Exit Auto Aspect Automatically adjust the Aspect Ratio depending on the input signal. Aspect Modes Manually select the Aspect Ratio. There are different aspect ratios available according to the signal in use. See page 55. 31