NEC 42/50PD1 User Manual

Contents

NEC 42/50PD1 User Manual Manual pdf 36 page image

36Adjustment of the Clock Frequency/Clock Phase(AUTO PICTURE)When AUTO PICTURE is set to ON, normally the clockfrequency adjustment and the clock phase adjustment are notnecessary, but this adjustment should be made when the automaticadjustment cannot be made correctly.Make the adjustment when a new signal has been input, whenvertical lines appear blurry, or if the image appears unclear.H-POSITION 1,2 and V-POSITION 1,2 are not available atthe time of RGB input when AUTO PICTURE is turned on.To adjust H-POSITION 1,2 and V-POSITION 1,2 at thetime of RGB input, turn off AUTO PICTURE.1. Align the cursor with icon (6)2. Align the cursor with AUTO PICTURE and set to OFF.AUTO PICTURE: Automatically adjusts the screenposition, clock frequency, and clock phase when ON.* The cursor is moved up and down with the POSITIONCONTROL s / t buttons.3. Align the cursor with the desired item using thePOSITION CONTROL ß / © buttons.The cursor is moved left and right with the POSITIONCONTROLß / © buttons.AUTO PICTURE adjustment screenIcon (6)AUTO PICTURE: ON/OFFSelect with POSITION CONTROL ß / © buttons.There is a transition to the screen below only when OFF.MODE: NORMAL/WIDESelect with the POSITION CONTROL ß / © buttons.Clock phase adjustmentAUTO PICTURE : ONMODE : NORMALAUTO PICTURE : ONMODE : NORMALAUTO PICTURE : OFFMODEPICTURE ADJFINE PICTURE: NORMALClock frequency adjustmentNote:•The Picture ADJ and Fine Picture features areavailable only when the Auto Picture is off. The PictureADJ and Fine Picture features are not available forVideo or S-Video source.•When the Auto Picture is on, the Picture ADJ and FinePicture adjustments are made automatically.•The Picture Adjustment control allows you to fine tunethe computer image or to remove vertical banding thatmight appear. This function adjusts the clockfrequencies that eliminate banding in the image.•The Fine Picture adjusts the clock phase or reducesvideo noise, dot interference or cross talk. (This isevident when parts of the image appear to beshimmering.) The Fine Picture adjustment may benecessary when you connect your computer for the firsttime and you have a blurred picture on the screen.•If the displayed image is small with respect to theoriginal number of horizontal pixels (including caseswhen the display area/lit area is small) when AUTOPICTURE is turned on, it may take up to 6 seconds forthe image to be displayed.Selecting Native Resolutions for 848 x 480, 852 x 480and 640 x 480 input signalsThere are two controls in the PlasmaSync 42/50PD1 OSMmenus that allow you to set the monitor to displayresolutions with 848, 852 and 640 horizontal dots in theirtrue resolutions. These are located under icon #13 (tools)and icon #6 (auto).When inputting an 848 x 480 signal, align the cursor withicon # 13 (tools) at the top of the OSM window. Move thecursor down to WIDE MODE and use the POSITIONLEFT/RIGHT control to select NORMAL. The monitorwill display the signal at 848 x 480. If FULL is selected,the monitor will automatically expand the input signal to853 x 480.To choose between 640 x 480 and 852 x 480 resolutionsalign the cursor with icon 6 (auto) at the top of the OSMwindow, move the cursor down to MODE and...Use the POSITION LEFT/RIGHT control to select WIDEto display 852 x 480 in true resolution or to expand(stretch) 640 x 480 to fill the screen from left to right.Select NORMAL to display 640 x 480 resolution in itsstandard 4:3 aspect ratio with vertical letterbox bars to theright and left of the image.After selecting the desired setting, go to the Auto menu,set auto picture to OFF and use the Picture Adjust andFine Picture controls to adjust clock phase and frequencyto sharpen the image, if necessary.