Mitsubishi Electronics HL2750U Viewing computer images, Plugging the power cord, About DDC

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Viewing computer images (continued)

About DDC

The COMPUTER/COMPONENT VIDEO IN-1 terminal of this projector complies with the DDC1/2B standard and the COMPUTER/COMPONENT VIDEO DVI-D (HDCP) terminal complies with the DDC2B standard. When a computer supporting this standard is connected to this terminal, the computer will automatically load the information from this projector and prepare for output of appropriate images.

•After connecting a computer supporting this standard to this terminal, plug the power cord of the projector in the wall outlet ﬁrst, and then boot up the computer.

B. Plugging the power cord

•In order to ensure the safety in case of trouble with the projector, use an electrical outlet having an earth leakage breaker to supply the power to the projector. If you do not have such outlet, ask your dealer to install it.

Earthing terminal

2

1	Power cord (example)

1.Plug the attached power cord into the power cord inlet of this projector.

2.Plug the other end of the power cord into a power outlet.

•The power cords for use in the U.S. and Europe are included with this projector. Use the appropriate one for your country.

•This projector uses the power plug of 3-pin grounding type. Do not take away the grounding pin from the power plug. If the power plug doesn’t ﬁt your wall outlet, ask an electrician to change the wall outlet.

•The provided power cord for the U.S. is rated at 120 V. Never connect this cord to any outlet or power supply using other voltages or frequencies than rated. If you use a power supply using other voltage than rated, prepare an appropriate power cord separately.

•Use 100-240 V AC 50/60 Hz to prevent ﬁre or electric shock.

•Do not place any objects on the power cord or do not place the projector near heat sources to prevent damage to the power cord. If the power cord should be damaged, contact your dealer for replacement because it may cause ﬁre or electric shock.

•Do not modify or alter the power cord. If the power cord is modiﬁed or altered, it may cause ﬁre or electric shock.

Caution:

•Plug in the power cord ﬁrmly. When unplugging, hold and pull the power plug, not the power cord.

•Do not plug in or out the power cord with your hand wet. It may cause electric shock.

EN-14

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Contents HL2750 When using the projector in Europe Compliance NoticeContents Important safeguards Important safeguards Removing the batteries from the remote control Checking accessoriesInserting the batteries into the remote control Preparing your projectorControl area Preparating your projectorOverview Terminal boardAbout the laser beam Remote controlBottom side Reception angle Using the remote controlOperational range of the remote control Front of projector Rear of projectorSetting up your projector Front projection, ceiling mounting Setting up your projectorWall screen Rear projectionWhen the aspect ratio of the screen is Screen size and projection distanceConnecting the projector to a computer Viewing computer imagesAbout DDC Plugging the power cordViewing computer images Projecting images To stop projecting When connecting to a notebook computerSetting of the resolution AV muteWhen a TV tuner or VCR is connected Connecting the projector to video equipmentConnecting to a video player, etc Viewing video imagesViewing video images Plugging in the power cordConnecting to video equipment having a DVI-D terminal Projector + DVD player or Hdtv decoderEN-19 Volume from the speaker With the remote control Setting the aspect ratioHow to change the settings With the Feature menuSetup Menu operationMenu operation How to set the menusAvailable settings in the menus Image menuInstallation menu Feature menu Signal menu Signal Resolution Memorize menu Signal User menuInformation menu To adjust the color Color and Tint Adjusting projected imagesTo adjust the brightness Contrast and Brightness To cancel the menuAbout color temperature Adjusting projected imagesTo adjust the tone of white Color Temp Color EnhancerEN-30 To adjust the vertical position LPF Progressive ﬁlterAdvanced features Setting of the image displayed during startup or mutingTo enable the password function Advanced featuresPassword function To cancel the password functionStill ExpandPicture in Picture PinP Operation Mouse remote controlProjector + computer with USB connector PageUp buttonConnection Supervising and controlling by computerMajor functions Normal condition IndicatorsPossible Solution Abnormal conditionReplacing the lamp Interval of lamp replacementOperation time is reset Replacing the lamp Reset of the lamp operation timeWhen removing the lamp from the ceiling-mounted projector To replace the lampCleaning of the projector and the ventilation slots MaintenanceCleaning of the air-ﬁlter Cleaning of the lensTroubleshooting No image appears on the screen Problem SolutionTroubleshooting Images are not displayed correctly Problem SolutionOthers Problem Solution Kensington LockReplacement part option/not included in the box SpeciﬁcationsSpeciﬁcations XGA85COMPUTER/COMPONENT Video IN-1/IN-2 ConnectorsDimension Drawings unit mm Mitsubishi Electric Corporation

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