BOXLIGHT MP-350m Problem Image is too wide or narrow for screen, Problem Image is out of focus

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Problem: Image is too wide or narrow for screen

You might need to manually adjust the tracking to reduce or enlarge the projected image. Refer to “Manual Tracking” on page 30.

Adjust the resolution of your monitor if it’s greater than 1280x1024. Only this resolution at 75 Hz or less will display on the projector.

Problem: Image is out of focus

Turn the projection lens to focus the image.

Make sure the projection screen is at least 4 feet (1.2m) from the projector.

Make sure the projector is turned off, then check the projection lens to see if it needs cleaning.

Problem: Image and menus are reversed left to right

Rear projection mode is probably turned on. Switch back to for- ward projection from the Controls menu. The image should immediately return to forward projection. See “Rear Projec- tion” on page 31.

Problem: Image and menus are upside down

Ceiling mode is probably turned on. Turn off the mode from the Controls menu. The image should immediately return to forward projection. See “Ceiling Projection” on page 31.

Problem: the projector displays vertical lines, “bleeding” or spots

Adjust the brightness. See “Brightness + or -” on page 22.

Make sure the projector is turned off, then check the projection lens to see if it needs cleaning.

Problem: no sound

Press the mute button.

Adjust volume.

Verify audio/input connections.

Adjust audio source.

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Contents Boxlight MP-350m FCC Warning DOC Canada Safety CertificationsRemote Control Warning EN 55022 WarningDeclaration of Conformity TrademarksTable of Contents Index Maintenance & TroubleshootingAppendix Safety Instructions Safety Definitions Safety TermsSafety Symbols Customer ServiceCompatibility Image ResolutionIntroduction Unpacking the ProjectorT r o d u c t i o n Usage Guidelines Warranty If You Need AssistanceSetting UP the Projector Connecting the CableProIII to the Projector Preparing to Connect Your Equipment to the Projector Equipment you want to connectConnecting a Laptop Computer Do you want to play your computer’s audio on the projector?Audio cable Mouse cable Connecting a Desktop Computer Audio cable Mouse cable Monitor cable Connecting a Computer Using a Vesa cable Connecting a Video Player Audio/video cableVideo cable Cable Connecting an External Speaker Powering up the Projector and Adjusting the ImageTurning Off the Projector Using the Remote Control Using the ProjectorBasic Image Adjustment I n g O j e c t o r Adjusting the Projector Adjusting the height of the projector Using the Remote and Keypad Buttons Freeze Brightness + orComputer Help keypad onlyStandby PowerVolume + or VideoUsing the On-Screen Menus Tint Display Menu FunctionsBrightness ContrastColor Color TemperatureReset All Blank ScreenTreble VolumeAudio Menu Functions BassBalance FadeAuto Resize Image Menu FunctionsAuto Image Manual SyncVert. Position Manual TrackingHoriz. Position Standby Time Controls Menu FunctionsVideo Standard Ceiling ProjectionPlug and Play Default SourceAuto Source Select Display MessagesLanguage menu Status menuHorizontal refresh rate Computer resolutionLamp hours used Vertical refresh rateCleaning the Fan Intake Filter Maintenance & TroubleshootingCleaning the Lens I n t e n a n c e Troubleshooting Replacing the Projection Lamp Removing the lamp module Replacing the Batteries in the Remote Control Using the Kensington LockTroubleshooting Problem Color or text not being projected Solutions to Common ProblemsProblem Nothing on projection screen Problem The screen resolution is not rightProblem Only the start-up screen displays Problem Image and menus are reversed left to right Problem Image is too wide or narrow for screenProblem Image is out of focus Problem Image and menus are upside downProblem Lamp shuts off Problem Image is noisy or streakedProblem Lamp seems to be getting dimmer Problem Remote not operating correctlyPage Specifications AppendixAudio Output Video Audio InputCablePro Audio Input Accessories Standard Accessories ship with the projectorOptional Accessories Portable and Laptop Activation Chart Key command to Computer Activate port De-activate portFN-F8 CRT/LCD FN-D NCR FN-F6 Using Video Mirroring with a PowerBook Computer Using SimulScanProjected Image Size Distance to Diagonal Width Height Maximum Distance to Diagonal Width HeightIndex D e Page D e Limited Warranty Part Number