BenQ MX710, MX711 user manual Troubleshooting

Page 67

Troubleshooting

The projector does not turn on.

Cause

Remedy

 

Plug the power cord into the AC power jack on

There is no power from the power

the projector, and plug the power cord into the

cord.

power outlet. If the power outlet has a switch,

 

make sure that it is switched on.

Attempting to turn the projector on

Wait until the cooling down process has

again during the cooling process.

completed.

No picture

 

 

 

Cause

Remedy

The video source is not turned on or

Turn the video source on and check that the

connected correctly.

signal cable is connected correctly.

The projector is not correctly

Check the connection.

connected to the input signal device.

 

The input signal has not been

Select the correct input signal with the

SOURCE key on the projector or remote

correctly selected.

control.

 

The lens cover is still closed.

Open the lens cover.

Blurred image

 

 

 

Cause

Remedy

The projection lens is not correctly

Adjust the focus of the lens using the focus

focused.

ring.

The projector and the screen are not

Adjust the projection angle and direction as

aligned properly.

well as the height of the projector if necessary.

The lens cover is still closed.

Open the lens cover.

Remote control does not work

 

 

 

Cause

Remedy

The batteries are out of power.

Replace the batteries with new ones.

There is an obstacle between the

Remove the obstacle.

remote control and the projector.

 

You are too far away from the

Stand within 8 meters (26 feet) of the

projector.

projector.

The password is incorrect

 

 

 

Cause

Remedy

You do not remember the password.

Please see "Entering the password recall

procedure" on page 24 for details.

 

Troubleshooting 67

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Contents Welcome Table of contents Important safety instructions Important safety instructionsSafety Instructions Refer servicing to qualified service personnelSafety Instructions Confined. Allow at least 50 cm clearance Locations near fire alarmsLocations with an ambient temperature Locations where the altitudes are higherDo not step on the projector or place InstalledIt from the power supplys power outlet ServicedIntroduction Projector featuresIntroduction Shipping contents Rear/lower side Projector exterior viewLamp cover External control panel Projector Controls and functionsTest Remote controlKeystone/Arrow buttons / Up Down Numeric buttons Operating the Laser pointerMute MIC/VOL +Replacing the remote control batteries Remote control effective rangePpr 15º Front Ceiling Positioning your projectorChoosing a location Front TableVertical Projection dimensionsObtaining a preferred projected image size Screen size Distance from screen mm DiagonalConnection Best Connecting video source devicesConnecting audio Terminal name Terminal appearanceAbout the microphone input Playing sound through the projectorPage Operation OperationStarting up the projector DetailsFine-tuning the image size and clarity Adjusting the projected imageAdjusting the projection angle Auto-adjusting the imageFollowing example describes how to set the OSD language Using the menusUse / to highlight the System Setup Basic menu Highlight Change Security Settings and press MODE/ENTER Using a security cable lockUtilizing the password function Setting a passwordEntering the password recall procedure If you forget the passwordChanging the password Correcting keystone Disabling the password functionTo correct keystoning at the bottom of the image Changing Color Space Switching input signalSelecting the aspect ratio Magnifying and searching for detailsScreen with a 169 aspect ratio Projectors native resolution in its Displayed in the centerAdjustments About the aspect ratioGo to the Picture Picture Mode menu Using Wall ColorSelecting a picture mode Setting the User 1/User 2 modeFine-tuning the image quality in user modes Every adjustment made will reflect to Press To highlight Saturation and adjust its3D Color Management Top-Left Bottom-Left Top-Right Bottom-Right Setting the presentation timerTo cancel the timer, perform the following steps Selection DescriptionHiding the image Utilizing FAQ functionRemote paging operations Freezing the imageCreating your own startup screen To activate the High Altitude ModeLocking control keys Operating in a high altitude environmentTurning off the Power On/Off Ring Tone Adjusting the soundAdjusting the sound level Adjusting the microphone volumeIf you are in a non-DHCP environment Controlling the projector through a LAN environmentCable connection If you are in a Dhcp environmentHighlight Wireless LAN and press MODE/ENTER Wireless connectionControlling the projector remotely through a web browser Page Page Iii Operation Page Operation Page Using Q Presenter Downloading and installing Q PresenterDisplaying images through Q Presenter Operation Operation Presenting from a USB Reader Once the cooling process finishes, a Power Off Ring Direct power offShutting down the projector Basic Menu operationMenu system Main menu Sub-menu OptionsEquivalent Lamp Hour Lamp Mode Normal/Economic Lamp SettingsAdvanced MessageAdvanced Network Description of each menu Display menu Picture menu Function Description Picture ModeTemperature Management Save SettingsSearch System Setup Basic menu Function Description Quick AutoTimer SettingsLock Settings Security DescriptionPanel Key BackgroundTest Pattern System Setup Advanced menu Function DescriptionReset All Baud RateStatus Features ServiceCurrent SystemCare of the projector MaintenanceGetting to know the lamp hour Setting Lamp Mode as EconomicSetting Auto Power Off Lamp informationStatus Message Timing of replacing the lampLamp cover loosens Remove the lamp cover from the projector Replacing the lampUse the handle to slowly pull the lamp out Projector Resetting the lamp timer Connect the power and restart the projectorTime will be reset to Thermal events IndicatorsLight Status & Description Power events Lamp eventsTroubleshooting Projector specifications SpecificationsUnit mm DimensionsMm W x 104.07 mm H x 244.11 mm D 311.81 51.1 58.25 Ceiling Mount screw M4 x 8 Max L = 8 mmSupported timing for PC input Timing chart1360 x Supported timing for Hdmi Hdcp inputSupported timing for Video and S-Video inputs Supported timing for Component-YPbPrinputTiming Disclaimer Warranty and Copyright informationLimited warranty CopyrightWeee directive Regulation statementsFCC statement for United States users EEC statement for European users
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