33ENGLISHOperating the Main MenuConfiguration of the Main Menu (AV Input) For computer inputs, see the following page.You can adjust video quality (PICTURE), audio quality (SOUND), etc. using the menus.The menus are configured as follows:Main menu (AV inputs : During AV IN input signal)PIXEL CLOCK TRACKING : Normally, no adjustment is required. The lateral size and display area of video image are adjusted.PHASE : Normally, no adjustment is required. Flickering or dim video image is adjusted.POSITION V. POS. : The vertical position of the video image being projected is adjusted.H. POS. : The horizontal position of the video image being projected is adjusted.PICTURE BRIGHTNESS : The brightness of the video image being projected is adjusted.CONTRAST : The contrast of the video image being projected is adjusted.SHARPNESS : The sharpness of the video image being projected is adjusted.COLOR : The color density of the video image being projected is adjusted.TINT : The tint of the video image being projected is adjusted. (Displayed only for NTSC signal)ALL RESET : All the items adjusted are reset.SOUND TREBLE : The treble of the audio sound being input is adjusted.BASS : The bass of the audio sound being input is adjusted.OPTIONS MENU AUTO OFF : Sets whether to turn off menu display automatically (YES) or not (NO).LINE DISPLAY : Sets whether to make the line display effective (ON) or not (OFF) for about 5 seconds after inputswitching.RIGHT LEFT REV. : Video image is reversed right-to-left (for upside-down hanging (ceiling)).TOP BOTTOM INV. : Video image is inverted top-to-bottom (for upside-down hanging (ceiling)).CLAMP : Sets the clamp pulse’s position at the back porch (BP) or on the sync tip (ST). Normally, the clamppulse is used at BP. If, with some PCs or workstations, the screen becomes unstable such asbeing too dark or too bright, try to switch to ST.RESIZE : Does not work with AV (video) input. (RESIZE is shown in gray.)BACK COLOR : Specifies the background color when there is no video signal. Background color can be selectedfrom BLUE, CYAN, BLACK, GREEN, MAGENTA, RED, and YELLOW.COLOR TEMP. : Adjusts the color temperature of the image being projected. Make adjustment when the imagebecomes reddish or bluish.Color temperature can be set to LOW, MIDDLE, or HIGH.ASPECT CHANGE : Selects the vertical-to-horizontal ratio of the image projected. The factory-set ratio is 4 : 3. Whenprojecting high-vision video image, a ratio of 16 : 9 can be selected.SLEEP TIME : Sets the length of sleep time. A set sleep time after input signal is depleted, the projector goes intoa stand-by state. Sleep time can be selected from 10, 20, 30, 60 and 0 minutes. (If you select 0minutes, the sleep time will be cleared.)LAMP TIME : Indicates the accumulated used hours of the light-source lamp.SOURCE : Normally used in AUTO. If use in AUTO is unstable such as color not appearing, the screen being disturbed or thescreen being intermitted, set to the dedicated source (forced mode) in accordance with the input signal.CHANNEL : A line, multiple sources and a switcher number can be registered to a single channel. Up to 10 channels can be set.Registered channels can be recalled by direct channel switching.USER SOURCE SETUP : When handling some signals that are delicately different in horizontal/vertical frequency from video signalsthat can be input to the projector, you can assign names to them for easy selection. Up to 10 such signalscan be registered.DISPLAY SIZE : This does not work for AV (video) input signals. (Adjustment items are displayed in gray color.)DECODER : Normally, set to AUTO. The color system of an input signal is automatically identified and shown in ( ). When usein AUTO is unstable such as no color being shown, set the dedicated color system in accordance with the inputsignal. You can select from AUTO, NTSC(480i), NTSC4.43, PAL, and SECAM.LANGUAGE : Text on the screen can be changed to a language other than English. Languages that can be displayed are thefollowing six : (Japanese), ENGLISH, DEUTSCH (German), ESPAÑOL (Spanish), ITALIANO (Italian), andFRANÇAIS (French). However, some displays such as “CHANNEL”, “USER SOURCE SETUP”, “DISPLAY SIZE”and “QUICK-ALIGNMENT” are shown only in English.