BenQ MX620ST user manual Resetting the lamp timer

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12.Replace the lamp cover on the projector.

13.Tighten the screw(s) that secures the lamp

cover.

• Loose screw may cause a bad connection, which could result in malfunction.

• Do not over tighten the screw.

14. Connect the power and restart the projector.

Do not turn the power on with the lamp cover removed.

Resetting the lamp timer

15.After the startup logo, open the On-Screen Display (OSD) menu. Go to the SYSTEM SETUP: Advanced > Lamp Settings menu. Press MODE/ENTER. The Lamp Settings page appears. Highlight Reset Lamp Timer. A warning message appears asking if you want to reset the lamp timer. Highlight Reset and press MODE/ENTER. The lamp time will be reset to “0”.

Do not reset if the lamp is not new or replaced as this could cause damage.

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Contents MS619ST/MX620ST/MW621ST Table of contents Safety Instructions Important safety instructionsSafety Instructions 3000 m Feet Ceiling mounting the projector Introduction Projector featuresShipping contents Front/upper side Rear/lower side Projector exterior viewControls and functions Remote control Replacing the remote control batteries Remote control effective rangeChoosing a location Positioning your projectorFront Table Front CeilingObtaining a preferred projected image size Projection dimensionsScreen size Distance from screen mm Diagonal LengthMW621ST Connection ConnectionConnecting audio Connecting video source devicesTerminal name Terminal appearance BestStarting up the projector OperationAdjusting the projection angle Adjusting the projected imageAuto-adjusting the image Fine-tuning the image size and clarityCorrecting keystone Below is the overview of the OSD menu Using the menusUtilizing the password function Using a security cable lockSetting a password Highlight Change Security Settings and press MODE/ENTERChanging the password If you forget the passwordEntering the password recall procedure Disabling the password function Switching input signalChanging Color Space Magnifying and searching for detailsSelecting the aspect ratio MS619ST/ MW621ST About the aspect ratioSelecting a picture mode Using Wall ColorSetting the User 1/User 2 mode Go to the Picture Picture Mode menuSelecting a Color Temperature Fine-tuning the image quality in user modesAdjusting Brilliant Color 3D Color Management Setting a preferred color temperatureSelection Description Setting the presentation timerResetting current or all picture modes Remote paging operations To cancel the timer, perform the following stepsFreezing the image Top-Left Bottom-Left Top-Right Bottom-RightHiding the image To activate the High Altitude ModeLocking control keys Operating in a high altitude environmentUsing the test pattern Adjusting the soundAdjusting the sound level Turning off the Power On/Off Ring ToneTo select Blackboard or Whiteboard Using the teaching templatesPresenting from a USB Reader Shutting down the projector Direct power offMain menu Sub-menu Options Menu operationMenu system Basic Advanced Description of each menu 3D Sync Invert Apply 3D SettingsTeaching Template Description Temperature Picture menu Function Description Picture ModeReference ModeReset Picture Fine Tuning 3D ColorSettings Quick Auto TimerOperation System Setup Basic menu Function DescriptionRemote ReceiverAltitude System Setup Advanced menu Function Description HighAudio LampStandby Reset AllNetwork CurrentCare of the projector MaintenanceExtending lamp life Lamp informationGetting to know the lamp hour Status Message Timing of replacing the lampReplacing the lamp Maintenance Resetting the lamp timer Light Status & Description Power events IndicatorsLamp events Thermal eventsTroubleshooting Projector specifications SpecificationsCeiling mount installation DimensionsSupported timing for PC input Timing chartKHz Supported timing for Hdmi Hdcp inputTiming Supported timing for Component-YPbPrinputSupported timing for Video and S-Video inputs Limited warranty Warranty and Copyright informationCopyright Disclaimer