BenQ Projector MH741 User Manual

Operation41
Locking control keys
With the control keys on the projector locked, you can prevent your projector settings 
from being changed accidentally (by children, for example). When the Panel Key Lock is 
on, no control keys on the projector will operate except   POWER.
1. Go to the System Setup: Basic > Panel Key Lock menu, and select On by 
pressing ◄/► on the projector or remote control. A confirmation message appears.
2. Highlight Ye s and press MODE/ENTER to confirm.
To release panel key lock,...

Operation 42
Muting the sound
To temporarily turn off the sound,
• Using the remote control
Press MUTE to temporarily turn off the sound. While the sound is off, the screen will 
display   in the upper right corner of the screen.
To restore the sound, press MUTE again.
•Using the OSD menu
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 press...

Operation43
Using the teaching templates
The projector provides several preset patterns for various teaching purposes. To activate 
the pattern:
1. Open the OSD menu and go to the Display > Teaching Template and press ▲/▼ 
to select Blackboard or Whiteboard.
2. Press ◄/► to choose the pattern you need.
3. Press MODE/ENTER to activate the pattern.
Using the quick install
The projector provides a hot key to set Projector Installation, Test Pattern, and 
Keystone quickly.
Press Quick Install on the remote...

Operation 44
Shutting down the projector
1. Press  POWER or  OFF and a confirmation message will appear prompting 
you.
If you dont respond in a few seconds, the message will disappear.
2. Press  POWER or  OFF a second time. The POWER indicator light 
flashes orange, the projection lamp shuts down, and the fans will continue to run for 
approximately 90 seconds to cool down the projector.
To protect the lamp, the projector will not respond to any commands during the cooling 
process. To shorten the...

Operation45
Menu operation
Menu system
Please note that the on-screen display (OSD) menus vary according to the signal type 
selected. 
Main menu Sub-menu Options
1. 
Display
Wall colorOff/Light Yellow/Pink/Light Green/
Blue/Blackboard
Aspect Ratio Auto/Real/4:3/16:9/16:10
Auto Keystone On/Off
2D Keystone
Corner FitTop Left/Top Right/Bottom Left/
Bottom Right
Position
Phase
H.size
Digital zoom PC:1.0X~2.0X; Video: 1.0X~1.8X
3D3D modeAuto/Off/Frame sequential/Frame 
packing/Top bottom/Side by side
3D Sync...

Operation 46
2. 
Picture
Picture ModeBright/Presentation/sRGB/Cinema/
3D/User 1/User 2
Reference ModeBright/Presentation/sRGB/Cinema/
3D
Brightness
Contrast
Color
Tint
Sharpness
Brilliant Color On/Off
Color 
Te m p e r a t u r eCool/Normal/Warm
Color 
Temperature Fine 
Tu n i n gR Gain/G Gain/B Gain/
R Offset/G Offset/B Offset
3D Color 
ManagementPrimary Color R/G/B/C/M/Y
Hue
Saturation
Gain
Reset picture 
settingsCurrent/All/Cancel
3. 
SourceQuick Auto Search On/Off
Color Space 
ConversionAuto/RGB/YUV...

Operation47
4. 
System 
Setup: Basic
Presentation 
TimerTimer Period 1~240 min
Timer Display Always/1 min/2mins/3 mins/Never
Timer PositionTop-Left/Bottom-Left/
Top-Right/Bottom-Right
Timer Counting 
DirectionCount Down/Count up
Sound Reminder On/Off
On/Off Yes/No
Language
Projector 
InstallationF r o n t  Ta b l e / R e a r  Ta b l e / R e a r  
Celling/Front Ceiling
Menu SettingMenu Display Time 5 sec/10 sec/20 sec/30 sec/Always
Menu PositionCenter/Top-Left/Top-Right/
Bottom-Right/Bottom-Left
Reminder...

Operation
48
Note that the menu items are available when th e projector detects at least one valid signal. 
If there is no equipment connected to the pr ojector or no signal detected, limited menu 
items are accessible.
5. 
System 
Setup: 
Advanced
High Altitude 
Mode On/Off
Audio Settings Mute
On/Off
Vo l u m e
Microphone 
Vo l u m e
Power on/off Ring On/Off
Lamp Settings Lamp Mode Normal/Economic/SmartEco
Reset Lamp Timer Reset/Cancel
Lamp Timer
Security Setting Change Passward
Change Security...

Operation49
Description of each menu
FUNCTIONDESCRIPTION 
1. Display menu
Wall colorCorrects the projected picture’s color when the projection surface is 
not white. See Using Wall Color on page 35 for details.
Aspect RatioThere are several options to set the images aspect ratio depending 
on your input signal source. See Selecting the aspect ratio on page 
33 for details.
Auto KeystoneCorrects vertical keystoning of the image automatically.
2D KeystoneAdjusts the shape of the projected image to ensure...

Operation 50
1. Display menu
3D
This projector features a 3D function which enables you to enjoy the 
3D movies, videos, and sporting events in a more realistic way by 
presenting the depth of the images. You need to wear a pair of 3D 
glasses to view the 3D images.
3D Mode
The default setting is Auto and the projector automatically chooses 
an appropriate 3D format when detecting 3D contents. If the 
projector cannot recognize the 3D format, press ◄/► to choose a 
3D mode.
When the 3D function is on:...