BenQ MP780ST+ User Manual Page 48
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Operation
48
Operating in a high altitude environment
We recommend you use the High Altitude Mode when your environment is between
1500 m –3000 m above sea level, and ambient temperature is between 0°C–35°C.
Do not use the High Altitude Mode if your altitude is between 0 m and 1500 m and ambient
temperature is between 0°C and 35°C. The projector will be over cooled, if you turn the mode
on under such a condition.
To activate the High Altitude Mode:
1. Press MENU/EXIT and then press / until the SYSTEM SETUP:
Advanced menu is highlighted.
2. Press to highlight High Altitude Mode and press / to select On. A
confirmation message displays.
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 adjusents 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 21 for how the audio input is connected.
Muting the sound
To adjust the sound level, press MUTE on the
remote control, or:
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 displays.
3. Highlight Mute and select On.
Adjusting the sound level
To adjust the sound level, press VOLUME+/
VOLUME- on the remote control, or:
1. Repeat steps 1-2 above.
2. Highlight VOLUME and select a desired
sound level.
Turning off the Power on/off ring tone
To turn off the ring tone:
1. Repeat steps 1-2 in Muting the sound section.
- Digital Projector 1
- MP780 ST+/MW860USTi 1
- Table of contents2 2
- Important safety instructions 3
- (10000 feet) 5
- (0 feet) 5
- Introduction 7
- Shipping contents 8
- Optional accessories 9
- Projector exterior view 10
- Controls and functions 11
- Mounting the projector 12
- Remote control 13
- Operating the LASER pointer 14
- Positioning your projector 16
- Projection dimensions 19
- Positioning your projector20 20
- Connection 21
- Connecting a computer 23
- Connection24 24
- Connecting a monitor 25
- MP780 ST+ 30
- MW860USTi 30
- Adjusting the projected image 32
- Using the menus 34
- Securing the projector 35
- Changing the password 36
- Switching input signal 37
- About the aspect ratio 39
- Optimizing the image 40
- Using Wall Color 41
- Adjusting Sharpness 42
- Adjusting Brilliant Color 42
- Selecting a Color Temperature 42
- 3D Color Management 42
- Remote paging operations 46
- Hiding the image 46
- Utilizing FAQ function 47
- Locking control keys 47
- Adjusting the sound 48
- Operation 57
- Using the Web Control Lock 64
- Presenting From a USB Reader 65
- PointDraw™ 70
- How to hold the PointDraw™ 71
- Avoid shadows! 71
- PointDraw™ pen 2.0 features 72
- Dual Pen operation 72
- Troubleshooting 73
- Shutting down the projector 75
- Menu operation 76
- Advanced 78
- Description of each menu 80
- 3D Sync 81
- 1. DISPLAY menu 81
- FUNCTION) DESCRIPTION 82
- FUNCTION DESCRIPTION 83
- Test Pattern 87
- Maintenance 90
- Lamp information 91
- Timing of replacing the lamp 92
- Replacing the lamp 93
- Resetting the lamp timer 95
- Indicators 96
- Specifications 98
- Dimensions 99
- Ceiling mount installation 100
- Supported timing for PC input 101
- Specifications 103 103
- Limited warranty 104
- Copyright 104
- Disclaimer 104
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