BenQ MX662 user manual Troubleshooting

Page 54

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 cord.	the projector, and plug the power cord into the
	There is no power from the power cord.	power outlet. If the power outlet has a switch,
		power outlet. If the power outlet has a switch,
		make sure that it is switched on.

	Attempting to turn the projector on again	Wait until the cooling down process has
	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 signal
	connected correctly.	cable is connected correctly.

	The projector is not correctly connected	Check the connection.
	to the input signal device.	Check the connection.
	to the input signal device.

	The input signal has not been correctly	Select the correct input signal with the SOURCE
	selected.	key on the projector or remote 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 ring.
focused.		Adjust the focus of the lens using the focus ring.
focused.

The projector and the screen are not		Adjust the projection angle and direction as well
aligned properly.		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 battery is out of power.	Replace the battery with new ones.
There is an obstacle between the remote	Remove the obstacle.
control and the projector.
You are too far away from the projector.	Stand within 8 meters (26 feet) of the projector.
The password is incorrect

	Cause	Remedy

	You do not remember the password.	Please see "Entering the password recall
	You do not remember the password.	procedure" on page 23 for details.
		procedure" on page 23 for details.

54 Troubleshooting

Image 54

Contents MX662/MW663 Digital Projector Table of contents Important safety instructions Safety InstructionsSafety Instructions 3000 m Feet Ceiling mounting the projector Projector features IntroductionShipping contents Projector exterior view Front/upper sideRear/lower side Controls and functions Remote control Remote control effective range Replacing the remote control batteriesFront Table Positioning your projectorChoosing a location Front CeilingMX662 Projection dimensionsObtaining a preferred projected image size Max length Offset InchMW663 Connection ConnectionTerminal name Terminal appearance Connecting video source devicesConnecting audio BestOperation Starting up the projectorAuto-adjusting the image Adjusting the projected imageAdjusting the projection angle Fine-tuning the image size and clarityCorrecting keystone Using the menus Below is the overview of the OSD menuSetting a password Using a security cable lockUtilizing the password function If you forget the passwordEntering the password recall procedure Changing the passwordDisabling the password function Switching input signal Changing Color SpaceMagnifying and searching for details Selecting the aspect ratioAbout the aspect ratio MX662 MW663Setting the User 1/User 2 mode Using Wall ColorSelecting a picture mode Go to the Picture Picture Mode menuFine-tuning the image quality in user modes Adjusting Brilliant ColorSelecting a Color Temperature Setting a preferred color temperature 3D Color ManagementSetting the presentation timer Resetting current or all picture modesSelection Description Freezing the image To cancel the timer, perform the following stepsRemote paging operations Top-Left Bottom-Left Top-Right Bottom-RightLocking control keys To activate the High Altitude ModeHiding the image Operating in a high altitude environmentAdjusting the sound level Adjusting the soundUsing the test pattern Turning off the Power On/Off Ring ToneUsing the teaching templates To select Blackboard or WhiteboardPresenting from a USB Reader Direct power off Shutting down the projectorMenu operation Menu systemMain menu Sub-menu Options Basic Advanced Description of each menu Color Temperature Picture ModeTemperature Fine Tuning 3D ColorSettings TimerInstallation SearchRemote System Setup Basic menu Function DescriptionOperation ReceiverAudio System Setup Advanced menu Function Description HighAltitude LampStandby System Setup Advanced menu Function DescriptionReset All NetworkCurrent SystemStatus Maintenance Care of the projectorLamp information Getting to know the lamp hourExtending lamp life Timing of replacing the lamp Status MessageReplacing the lamp Resetting the lamp timer Use the handle to slowly pull the lamp out of the projectorMaintenance Lamp events IndicatorsLight Status & Description Power events Thermal eventsTroubleshooting Specifications Projector specificationsDimensions Ceiling mount installationTiming chart Supported timing for PC inputSupported timing for Hdmi Hdcp input KHzPixel Supported timing for Component-YP bP r inputSupported timing for Video and S-Video inputs TimingCopyright Warranty and Copyright informationLimited warranty Disclaimer