BenQ MX620ST user manual Adjusting the sound, Using the test pattern, Muting the sound

Page 34

2.Press to highlight High Altitude Mode and press / select On. A confirmation message appears.

3.Highlight Yes and press MODE/ENTER.

Operation under "High Altitude Mode" may cause a higher decibel operating noise level because of increased fan speed necessary to improve overall system cooling and performance.

If you use this projector under other extreme conditions excluding the above, it may display auto shut-down symptoms, which is designed to protect your projector from over- heating. In cases like this, you should switch to High Altitude mode to solve these symptoms. However, this is not to state that this projector can operate under any and all harsh or extreme conditions.

Adjusting the sound

The sound adjustments made as below will have an effect on the projector speaker(s). Be sure you have made a correct connection to the projector audio input. See "Connection" on page 16 for how the audio input is connected.

Muting the sound

To temporarily turn off the sound:

1.Press MENU/EXIT and then press / until the SYSTEM SETUP: Advanced menu is highlighted.

2.Press to highlight Audio Settings and press MODE/ENTER. The Audio Settings page appears.

3.Highlight Mute and press / to select On.

If available, you can also press Mute on the remote control to toggle projector audio between on and off.

Adjusting the sound level

To adjust the sound level, press Volume +/- or / , or:

1.Repeat steps 1-2 above.

2.Press to highlight Volume and press / to select a desired sound level.

Turning off the Power On/Off Ring Tone

To turn off the ring tone:

1.Repeat steps 1-2 above.

2.Press to highlight Power On/Off Ring Tone and press / to select Off.

The only way to change Power On/Off Ring Tone is setting On or Off here. Setting the sound mute or changing the sound level will not affect the Power On/Off Ring Tone.

Using the test pattern

The projector is able to display the grid test pattern. It helps you adjust the image size and focus and check that the projected image is free from distortion.

To display the test pattern, open the OSD menu and go to the SYSTEM SETUP: Advanced > Test Pattern and press / to select On.

34 Operation

Image 34

Contents MS619ST/MX620ST/MW621ST 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 side Rear/lower sideControls and functions Remote control Remote control effective range Replacing the remote control batteriesFront Table Positioning your projectorChoosing a location Front CeilingScreen size Distance from screen mm Diagonal Projection dimensionsObtaining a preferred projected image size LengthMW621ST 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 Highlight Change Security Settings and press MODE/ENTEREntering the password recall procedure If you forget the passwordChanging the password Switching input signal Disabling the password functionMagnifying and searching for details Changing Color SpaceSelecting the aspect ratio About the aspect ratio MS619ST/ MW621STSetting the User 1/User 2 mode Using Wall ColorSelecting a picture mode Go to the Picture Picture Mode menuAdjusting Brilliant Color Fine-tuning the image quality in user modesSelecting a Color Temperature Setting a preferred color temperature 3D Color ManagementResetting current or all picture modes Setting the presentation timerSelection 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 system Menu operationMain menu Sub-menu Options Basic Advanced Description of each menu Teaching Template Description Apply 3D Settings3D Sync Invert Reference Picture menu Function Description Picture ModeTemperature ModeSettings Quick Auto Fine Tuning 3D ColorReset Picture TimerRemote System Setup Basic menu Function DescriptionOperation ReceiverAudio System Setup Advanced menu Function Description HighAltitude LampNetwork Reset AllStandby CurrentMaintenance Care of the projectorGetting to know the lamp hour Lamp informationExtending lamp life Timing of replacing the lamp Status MessageReplacing the lamp Maintenance Resetting the lamp timer 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 KHzSupported timing for Component-YPbPrinput TimingSupported timing for Video and S-Video inputs Copyright Warranty and Copyright informationLimited warranty Disclaimer