BenQ MX722 user manual Troubleshooting

Page 55

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

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.

 

 

 

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.

 

 

 

 

 

 

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

procedure" on page 24 for details.

 

 

 

Troubleshooting 55

Page 54 Page 56
Image 55
Page 54 Page 56
Contents MX722 Digital Projector Table of contents Safety Instructions Important safety instructionsSafety Instructions 3000 m Feet Ceiling mounting the projector Introduction Projector featuresShipping contents Front/upper side Projector exterior viewRear/lower side Projector Controls and functionsON/ OFF Remote control+/PAGE Test Remote control effective rangeOperating the Laser pointer MuteReplacing the remote control batteries Front Ceiling Positioning your projectorChoosing a location Front TableInch Max Average Projection dimensionsObtaining a preferred projected image size OffsetConnection ConnectionConnecting audio Connecting video source devicesPlaying sound through the projector Device About the microphone inputStarting up the projector OperationFine-tuning the image size and clarity Adjusting the projected imageAdjusting the projection angle Auto-adjusting the imageCorrecting keystone Below is the overview of the OSD menu Using the menusHighlight 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 Disabling the password function Switching input signalChanging Color Space Selecting the aspect ratio Magnifying and searching for detailsAbout the aspect ratio Go 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 3D Color Management Setting a preferred color temperatureResetting current or all picture modes Setting the presentation timerSelection Description Top-Left Bottom-Left Top-Right Bottom-Right To cancel the timer, perform the following stepsRemote paging operations Freezing the imageOperating in a high altitude environment To activate the High Altitude ModeHiding the image Locking control keysUsing the test pattern Adjusting the soundUsing the teaching templates Shutting down the projector Direct power offWall Color Menu operationMenu system Main menu Sub-menu Options12 hr System Setup BasicSleep Timer Min/30 minStatus Main menu Sub-menu Options System Setup AdvancedIP Address Current System Status Description of each menu Fine Tuning 3D Color Picture ModeTemperature Color TemperatureColor Space TimerInstallation SearchRemote System Setup Basic menFunction Description OperationLamp System Setup Advanced menu Function Description HighAltitude AudioNetwork System Setup Advanced menu Function DescriptionReset All StandbyStatus Information menu Function DescriptionCurrent 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 lampReplacing the lamp Connect the power and restart the projector Resetting the lamp timer Thermal events IndicatorsLight Status & Description Power events Lamp eventsTroubleshooting Projector specifications SpecificationsCeiling mount installation DimensionsSupported timing for PC input Timing chartKHz Supported timing for Hdmi Hdcp input Resolution Mode Frequency KHz MHzTiming Supported timing for Component-YPbPrinputSupported timing for Video and S-Video inputs Disclaimer Warranty and Copyright informationLimited warranty Copyright
Related manuals
Manual 62 pages 17.56 Kb

MX722 specifications

The BenQ MX722 is a highly versatile and feature-rich projector designed for both educational and professional environments. With its advanced technologies and user-friendly features, it delivers exceptional performance and reliability.

One of the standout features of the BenQ MX722 is its impressive brightness of 4000 ANSI lumens. This high level of brightness ensures that presentations and videos are clear and vibrant, even in well-lit rooms. Coupled with a native XGA resolution of 1024x768 pixels, the projector produces sharp images with excellent detail, making it ideal for showcasing detailed content.

The MX722 utilizes DLP technology, which enhances image quality and reliability. DLP projectors are known for their ability to produce consistent color and contrast, which is vital for maintaining viewer engagement during presentations. The projector's 15,000:1 contrast ratio further enhances image quality by providing deeper blacks and brighter whites, ensuring that visuals are striking and impactful.

In terms of connectivity, the BenQ MX722 is equipped with a comprehensive range of ports, including HDMI, USB, and VGA inputs. This diverse range of connection options allows users to easily connect various devices, from laptops to media players, without the need for additional adapters. The projector also features a built-in speaker, which enhances the audio experience during presentations without requiring external sound systems.

User-friendliness is another hallmark of the MX722. The projector is designed with a simple interface, making it easy to navigate settings and adjust parameters. It also features an automatic vertical keystone correction function, which helps to maintain image integrity even when the projector is not perfectly aligned with the screen.

In addition to its performance features, the BenQ MX722 is designed with energy efficiency in mind. It incorporates eco-friendly technologies that reduce power consumption, making it a cost-effective option for long-term use. The projector also has a long lamp life of up to 10,000 hours in Eco Mode, which minimizes maintenance costs and downtime.

Overall, the BenQ MX722 stands out as a reliable and high-performing projector suited for various professional and educational needs. With its robust features, impressive image quality, and user-friendly design, it provides an exceptional tool for presentations, lectures, and multimedia sharing.
Top Page Image Contents