Pioneer AVH P4100DVD Owner's Manual - Page 105
Changing the picture adjustment
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Additional Information Appendix Additional Information Liquid crystal display (LCD) screen ! If the display is near the vent of an air conditioner when it is opened, make sure that air from the air conditioner is not blowing on it. Heat from the heater may damage the LCD screen, and cool air from the cooler may cause moisture to form inside the display resulting in possible damage. Also, if the display is cooled down by the cooler, the screen may become dark, or the life span of the small fluorescent tube used inside the display may be shortened. ! Small black dots or white dots (bright dots) may appear on the LCD screen. These are due to the characteristics of the LCD screen and do not indicate a problem with the display. ! At low temperatures, the LCD screen may be dark for a while after the power is turned on. ! The LCD screen will be difficult to see if it is exposed to direct sunlight. ! When using a portable phone, keep the antenna of the portable phone away from the display to prevent disruption of the video by the appearance of spots, colored stripes, etc. - Near the heater vent ! The product lifetime of the LED backlight is more than 10 000 hours. However, it may decrease if used in high temperatures. ! If the LED backlight reaches the end of its product lifetime, the screen will become dark and the image will no longer be projected. In this case, please consult your dealer or the nearest authorized PIONEER Service Station. Changing the wide screen size By changing the screen size from 4:3 to 16:9, you can adjust the screen so that the screen can fit to the video image you are playing. For details concerning operation, refer to Changing the wide screen mode on page 52. Changing the picture adjustment You can make the best adjustment to the picture display by the Brightness, Contrast, Color, Hue, Temperature and Black Level. You can also dim or brighten the overall picture the Dimmer. For details concerning operation, refer to Changing the picture adjustment on page 53. For viewing the LCD comfortably Due to its construction, the viewing angle of the screen size is limited. You can adjust it by changing either screen size or picture adjustment. LED (light-emitting diode) backlight ! At low temperatures, using the LED backlight may increase image lag and degrade the image quality because of the characteristics of the LCD screen. Image quality will improve with an increase in temperature. ! To protect the LED backlight, display will darken in the following environment: - In the direct sunlight Keeping the display in good condition ! When removing dust from the screen or cleaning the display, first turn the system power off, then wipe with a soft dry cloth. ! When wiping the screen, take care not to scratch the surface. Do not use harsh or abrasive chemical cleaners. Small fluorescent tube ! A small fluorescent tube is used inside the display to illuminate the LCD screen. En 105