Panasonic PT-LB50NTU Operating Instructions Manual

Also see for PTLB50U - XGA LCD Projector: Specifications

Contents

E NGLISH -45 Adjustments and settingsPOSITION(S-VIDEO/VIDEO/RGB/YPBPR only)Moves the picture position.Press the ENTER button to display the“POSITION” screen.Press the I or H button to move thepicture horizontally.Press the F or G button to move thepicture vertically.DOT CLOCK(RGB only)Periodic striped pattern interference(noise) may occur when a stripedpattern such as the one below isprojected. If this happens, press theI or H button to adjust so that anysuch noise is minimised.CLOCK PHASE(RGB/YP B PR only)Adjust the “DOT CLOCK” settingfirst before carrying out thisadjustment. Press the I or Hbutton to adjust so that the noiselevel is least noticeable.NOTE:B If signals with a dot clockfrequency of 100 MHz or higherare being input, interferencemay not be completelyeliminated when the “DOTPictureconditionOperationPictureconditionOperationPress the F or Hbutton.Press the G or Ibutton.NOTE:B Vertical keystone distortion can becorrected to ±30° of the angle of tilt.However, the greater the correctionamount, the more the picture qualitywill deteriorate, and the harder it willbecome to achieve a good level offocus. To obtain the best picturequality, set up the projector andscreen in such a way that theamount of keystone correctionrequired is as minimal as possible.B The picture size will also changewhen correction of keystonedistortion is carried out.B The ratio of length and width ofan image may become incorrectdepending on the amount of thekeystone correction.B Keystone distortion of the on-screen display will not be corrected.BYou can correct the keystonedistortion manually when“REALTIME KEYSTONE” is set to“ON”. However, when you turn onthe power, the amount ofcorrection will be reset and“REALTIME KEYSTONE” willfunction again if the tilt is differentfrom the last time you used theprojector. If you correct thekeystone distortion manually when“REALTIME KEYSTONE” is set to“OFF”, the amount of correctionwill be stored by the projectoreven after the power is turned off.