3M mp8749 User Manual
Also see for Multimedia Projector MP8749: Quick start guideOperator's guideInformation sheetTechnical manualBasic technical manual
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ENGLISH-22ENGLISH-22TTTT RRRR OOOO UUUU BBBB LLLL EEEE SSSS HHHH OOOO OOOO TTTT IIII NNNN GGGG (((( cccc oooo nnnn tttt iiii nnnn uuuu eeee dddd ))))SymptomBefore requesting repair, check in accordance with the following chart. If the situation cannot becorrected, then contact your dealer.Table 11. SymptomSymptom Possible cause Remedy PageThe power is notturned on.The main power switch is notturned on. Turn on the main power switch.8,9The power cord isdisconnected.Plug the power cord into an ACpower outlet.No video or audio.The input is not correctly set. Use the projector or remote controltransmitter to set. 10No signal input. Connect correctly. 7,8Video is present butno audio.The projector is not correctlyconnected. Connect correctly. 7,8The volume is set to minimum.Press VOLUME on the remotecontrol or display the menu screenand adjust the volume.11,15Mute is turned on. Press the MUTE button. 11Audio is present butno video.The projector is not correctlyconnected. Connect correctly. 7,8The brightness adjustment knobis rotated fully clockwise.Select BRIGHT with the MENUbutton and the press the button. 12The lens cap is still attached. Remove the lens cap. 9Colors are pale andcolor matching ispoor.Color density and colormatching are not correctlyadjusted.Adjust the video. 12Images are dark.Brightness and contrast are notcorrectly adjusted. Adjust the video. 12The lamp is nearing the end ofits service life. Replace with a new lamp. 17WHISPER mode is set. Clear WHISPER mode. 15Video is blurred. Focus or H PHASE is out ofadjustment. Adjust the focus or H PHASE. 9,12 |
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