BenQ Mx766/mw767/mx822st Digital Projector User Manual

Operation81
FUNCTIONDESCRIPTION
Remote ReceiverSets which IR remote sensor of the projector will receive the signal 
from the remote control.  
Panel Key LockDisables or enables all panel key functions except Power on the 
projector and keys on the remote control.
Background Color
Allows you to select which background color will display when no 
signal is input into the projector. Four options are available: BenQ 
logo, Black, Blue, or Purple.
Splash Screen
Allows you to select which logo screen will...

Operation 82
FUNCTIONDESCRIPTION
High Altitude ModeA mode for operation in high altitude areas. See "Operating in a high 
altitude environment" on page 45 for details.
Audio Settings
Allows you to enter the audio setting menu. See "Adjusting the 
sound" on page 45 for details.
Mute
Sets the mute function.
Volume
Adjusts the audio volume level.
Microphone volume
Adjusts the microphone sound level.
Power on/off Ring Tone
Sets the power on/off ring tone. 
Lamp Settings
Lamp Mode...

Operation83
FUNCTIONDESCRIPTION
Test Pattern
Selecting On enables the function and the projector displays the grid 
test pattern. It helps you adjust the image size and focus and check 
that the projected image is free from distortion. See "Using build-in 
test pattern" on page 31 for details.
Closed Caption
Closed Caption Enable
Activates the function by selecting On when the selected input signal 
carries closed captions.
• Captions: An on-screen display of the dialogue, narration, and 
sound...

Operation 84
FUNCTIONDESCRIPTION
Standby Settings
Network
Selecting On enables the function, and the projector can be 
monitored or controlled over a network when it is in standby mode.   
Microphone
Selecting On enables the function, and the microphone can be used 
even in standby mode 
Monitor Out
Selecting On enables the function. The projector can output a VGA 
signal when it is in standby mode and the COMPUTER 1 and 
MONITOR OUT jacks are correctly connected to devices. See 
"Connecting a...

Operation85
FUNCTIONDESCRIPTION
Network Settings
AMX Device Discovery
SelectingOnthe projector can be detected by AMX controller.
Mac Address
Show Mac address.
Reset All Settings
Returns all settings to the factory preset values.
The following settings will still remain: Position, Phase, H. Size, 
User 1, User 2, Language, Projector Position, High Altitude 
Mode, Security Settings, Baud Rate.
Current System 
Status
Source
Shows the current signal source.
Picture Mode
Shows the selected mode in the...

Maintenance
86
Maintenance
Care of the projector
Your projector needs little maintenance. The only thing you need to do on a regular basis 
is to keep the lens and case clean.
Never remove any parts of the projector except the lamp. Contact your dealer if other 
parts need replacing.
Cleaning the lens
Clean the lens whenever you notice dirt or dust on the surface. 
• Use a canister of compressed air to remove dust. 
• If there is dirt or smears, use lens-cleaning paper or moisten a soft cloth with lens...

Maintenance 87
Lamp information
Getting to know the lamp hour
When the projector is in operation, the duration (in hours) of lamp usage is automatically 
calculated by the built-in timer. The method of calculating the equivalent lamp hour is as 
follows:
Total (equivalent) lamp hour
= 1 (hours used in Economic mode) + 4/3 (hours used in normal mode)
See "Setting Lamp Mode eco function as Economic or SmartEco mode" below for more 
information on Economic mode.
The lamp hour in Economic mode is...

Maintenance
88presentation, select Disable. The projector will not automatically shut down in a certain 
time period. 

Maintenance 89
Timing of replacing the lamp
When the Lamp indicator lights up red or a message appears suggesting it is time to 
replace the lamp, please install a new lamp or consult your dealer. An old lamp may cause a 
malfunction in the projector and in some instances the lamp may explode.
The Lamp indicator light and Temperature warning light will light up if the lamp becomes too 
hot. See "Indicators" on page 96 for details.
The following lamp warning displays will remind you to change the...

Maintenance
90
Replacing the lamp
• Hg - Lamp contains mercury. Manage in accordance with local disposal laws. See 
www.lamprecycle.org.
• If lamp replacement is performed while the projector is suspended upside-down from the 
ceiling, make sure that no one is underneath the lamp socket to avoid any possible injury or 
damage to the human eyes caused by fractured lamp.
• To reduce the risk of electrical shock, always turn the projector off and disconnect the power 
cord before changing the lamp.   
• To...