BenQ Mh740 Digital Projector User Manual

							Operation41
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 cooling time, you can also activate the Quick Cooling function. See Quick Cooling on page 49 for details.
3. Once the cooling process finishes, a Pow e r  
Off Ring Tone will be heard. The POWER 
indicator light is a steady orange and fans 
stop. Disconnect the power cord from the 
power outlet.
• To turn off the power ring tone, see Turning off the Power 
on/off ring tone on page 39 for details.
• If the projector is not properly shut down, to protect the 
lamp, when you attempt to re-start the projector, the fans 
will run for a few minutes to cool down. Press 
 POWER or  ON again to start the projector 
after the fans stop and the POWER indicator light turns orange.
• Lamp life results will vary depending on environmental conditions and usage. 
						

							Operation 42
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
Key s t o n e
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 Invert Disable/Invert
Save 3D Setting3D Settings 1/3D Settings 2/3D    
Settings 3
Apply 3D Setting3D Settings 1/3D Settings 2/3D    
Settings 3
Te a c h i n g  Te m p l a t eBlackboardOff/Letter Formation/Worksheet/
Coordinate Chart
WhiteboardOff/Letter Formation/Worksheet/
Coordinate Chart 
						

							Operation43
2. 
Picture
Picture ModeDynamic/Presentation/sRGB/
Cinema/3D/User 1/User 2
Reference ModeDynamic/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 
TuningR 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
Main menu Sub-menu Options 
						

							Operation 44
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 
Installation F 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 Message On/Off
Operation SettingDirect Power On On/Off
Signal Power On On/Off
Auto Power OffDisable/3 mins/10 mins/15 mins/
20 mins/25 mins/30 mins
Quick Cooling On/Off
Instant Restart On/Off
Blank TimerDisable/5 mins/10 mins/15 mins/
20 mins/25 mins/30 mins
Sleep TimerDisable/30 mins/1 hr/2 hrs/3hrs/
4hrs/8 hrs/12hrs
Remote Receiver Front+Rear / Front / Rear
Panel Key Lock On/Off
Background Color BenQ / Black / Blue / Purple
Splash Screen BenQ / Black / Blue
Main menu Sub-menu Options 
						

							Operation45
Note that the menu items are available when the projector detects at least one valid signal. 
If there is no equipment connected to the projector or no signal detected, limited menu 
items are accessible.
5. 
System 
Setup: 
Advanced
High Altitude 
ModeOn/Off
Audio SettingsMute On/Off
Vo l u m e
Power on/off Ring On/Off
Lamp SettingsLamp Mode Normal/Economic/SmartEco
Reset Lamp Timer Reset / Cancel
Equivalent Lamp 
Hour
Security SettingChange Passward
Change Security 
SettingsPower On Lock/Web Control 
Lock
Baud Rate2400/4800/9600/14400/19200/
38400/57600/1152000
Test Pattern On/Off
Closed CaptionClosed Caption 
EnableOn/Off
Caption Version CC1 / CC2 / CC3 / CC4
Standby SettingsNetwork On/Off
Monitor Out On/Off
Audio Pass ThroughOff/Computer 1/Computer 2/
Video, Svideo/HDMI 1/HDMI 2
Network settingsWired LANStatus
DHCP
IP Address
IP Address
Default Gateway
DNS Server
Apply
AMX Device 
DiscoveryOn/Off
Mac Address
Reset All Settings Reset / Cancel
6. 
InformationCurrent System 
Status•Source
•Picture Mode
•Resolution
•Lamp Mode
•3D Format
• Color System
•Equivalent Lamp
• Firmware Version
Main menu Sub-menu Options 
						

							Operation 46
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 32 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 
30 for details.
Key s t o n eCorrects any keystoning of the image manually. See Correcting 
keystone on page 24 for details.
Po s i t i o n
Displays the position adjustment page. To move the projected image, 
use the directional arrow keys. The values shown on the lower 
position of the page change with every key press you made until they 
reach their maximum or minimum.
This function is only available when a PC signal (analog RGB) is 
selected.
Phase
Adjusts the clock phase to reduce image 
distortion.
This function is only available when a PC signal 
(analog RGB) is selected.
H.sizeAdjusts the horizontal width of the image.
This function is only available when a PC signal (analog RGB) is 
selected.
Digital zoomMagnifies or reduces the projected image. See Magnifying and 
searching for details on page 30 for details. 
						

							Operation47
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:
• The brightness level of the projected image will decrease.
• The following settings cannot be adjusted: Picture Mode, Reference 
Mode.
• The Ke y s t o n e can only be adjusted within limited degrees.
3D Sync Invert
When you discover the inversion of the image depth, enable this 
function to correct the problem.
Save 3D Settings
When you have successfully displayed the 3D contents after making 
the appropriate adjustments, you can enable this function and choose 
a set of 3D settings to memorize current 3D settings.
Apply 3D Settings
After the 3D settings are saved, you can decide if you would like to 
apply them by choosing a set of 3D settings that you have saved. 
Once applied, the projector will automatically play the incoming 3D 
contents if it matches the 3D settings saved.
Only the set(s) of 3D settings with memorized data is available.
Te a c h i n g  
Te m p l a t eSee Using the teaching templates on page 40 for details.
FUNCTIONDESCRIPTION  
						

							Operation 48
2. Picture menu
Picture ModePre-defined picture modes are provided so you can optimize your 
projector image set-up to suit your program type. 
See Selecting a picture mode on page 32 for details.
Reference 
ModeSelects a picture mode that most suits your need for the image 
quality and further fine-tune the image based on the selections listed 
on the same page below. 
See Setting the User 1/User 2 mode on page 32 for details.
BrightnessAdjusts the brightness of the image.
See Adjusting Brightness on page 33 for details.
ContrastAdjusts the degree of difference between dark and light in the image. 
See Adjusting Contrast on page 33 for details.
Color
Adjusts the color saturation level -- the amount of each color in a 
video image. See Adjusting Color on page 33 for details.
The function is only available when Video or S-Video with NTSC system 
is selected.
Tint
Adjusts the red and green color tones of the image. 
See Adjusting Tint on page 33 for details.
The function is only available when Video or S-Video with NTSC system 
is selected.
Sharpness
Adjusts the image to make it look sharper or softer. 
See Adjusting Sharpness on page 33 for details.
The function is only available when Video or S-Video with NTSC system 
is selected.
Brilliant 
ColorAdjusts white peaking while maintaining correct color presentation. 
See Adjusting Brilliant Color on page 33 for details.
Color 
Te m p e r a t u r eSee Selecting a Color Temperature on page 33 for details.
Color 
Temperature 
Fine Tuning
See Setting a preferred color temperature on page 34 for details.
3D Color 
ManagementSee 3D Color Management on page 34 for details.
Reset picture 
settingsSee Resetting current or all picture modes on page 35 for details.
3. Source menuQuick Auto 
SearchSee Switching input signal on page 29 for details.
Color Space 
ConversionSee Changing Color Space on page 29 for details.
FUNCTIONDESCRIPTION  
						

							Operation49
4. System Setup: Basic menu
Presentation 
TimerReminds the presenter to finish the presentation within a certain 
time frame. See Setting the presentation timer on page 35 for details.
LanguageSets the language for the On-Screen Display (OSD) menus. 
See Using the menus on page 25 for details.
Projector 
Installation The projector can be installed on a ceiling or behind a screen, or with 
one or more mirrors. 
See Choosing a location on page 16 for details.
Menu Setting
Menu display time
Sets the length of time the OSD will remain active after your last key 
press. The range is from 5 to 30 seconds in 5-second increments.
Menu Position
Sets the On-Screen Display (OSD) menu position.
Reminder Message
Selecting On allows the projector to remind you to clean the filter.
Operation 
Setting
Direct Power On
Powers projector on automatically when the power cable is 
connected.
Signal Power On
Sets whether to turn the projector directly on without pressing 
POWER or ON when the projector is in standby mode and the 
signal is feed through the VGA cable.
Auto Power Off
Allows the projector to turn off automatically if no input signal is 
detected after a set period of time. 
See Setting Auto Power Off on page 54 for details.
Quick Cooling
Enables or disables the Quick Cooling function. 
Selecting On enables the function and the projector cooling time will 
be shortened from a normal 90 second duration to approximately 2 
seconds.
If you attempt to restart the projector right after the quick cooling 
process, it may not be turned on successfully and will rerun its cooling fans.
Instant Restart
Selecting On enables you to restart the projector immediately within 
90 seconds after turning it off.
Blank Timer
Sets the image blank time when the Blank feature is activated, once 
elapsed the image will return to the screen. 
See Hiding the image on page 37 for details.
Sleep Timer
Sets the auto-shutdown timer. The timer can be set to a value 
between 30 minutes and 12 hours.
FUNCTIONDESCRIPTION  
						

							Operation 50
4. System Setup: Basic menuRemote 
ReceiverSets the preferred remote receiver (Front and Rear) allowing the 
projector to accept signals from the remote control.
Panel Key 
LockDisables or enables all panel key functions except   POWER on 
the projector and keys on the remote control. See Locking control 
keys on page 37 for details.
Background 
ColorSelects background appearance when there is no signal.
Splash ScreenAllows you to select which logo screen will appear during projector 
start-up
5. System Setup: Advanced menu
High Altitude 
ModeA mode for operation in high altitude areas. 
See Operating in a high altitude environment on page 38 for details.
Audio 
SettingsSee Adjusting the sound on page 38 for details.
Lamp 
Settings
Lamp Mode 
See Setting Lamp mode as Economic or SmartEco on page 54 for 
details.
Reset lamp timer
See Resetting the lamp timer on page 58 for details.
Equivalent Lamp Hour
See Getting to know the lamp hour on page 54 for details on how 
the total lamp hour is calculated.
Security 
Setting
Change password
You will be asked to enter the current password before changing to a 
new one. 
See Utilizing the password function on page 26 for details.
Change Security Settings
Pow e r  O n  L o c k
When Pow e r  O n  L o c k is activated, you will be asked to enter the 
current password before powering on the projector.
If you enter incorrect password 5 times in succession, the projector 
will automatically shut down in a short time.
Web Control Lock
See BenQ Network Projector Operation Guide for details.
FUNCTIONDESCRIPTION