BenQ Mw724 Users Manual

Operation 61
FUNCTIONDESCRIPTION
Panel Key Lock Disables 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 display during 
projector start-up. Four options are available: BenQ logo, Black, 
or Blue.
High Altitude 
Mode...

Operation
62
FUNCTIONDESCRIPTION
Security 
Settings Change Password
You will be asked to enter the current password before changing 
to a new one.
Change Security Settings
Input current password to activate 
Power On Lock and Web 
Control Lock  functions.
Power On Lock
See  Securing the projector on page 33  for details.  
Web Control Lock
See “BenQ Network Projector Operation Guide” for details. 
Baud Rate Selects a baud rate that is identical with your computer’s so that 
you can connect the projector...

Operation 63
FUNCTIONDESCRIPTION
Standby 
Settings Network
Enable network standby mode
Selecting 
On enables the function, and the projector can be 
monitored or controlled over a network when it is in standby 
mode.
Switch to normal standby mode
Sets the timer to switch to normal 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...

Operation
64
FUNCTIONDESCRIPTION
Current 
System Status Source
Shows the current signal source.
Picture Mode
Shows the selected mode in the 
PICTURE menu.
Lamp Mode
Shows the current lamp mode.
Resolution
Shows the native resolution of the input signal.
3D Format
Shows the current 3D mode.
Color System
Shows input system format, NTSC, PAL, SECAM, or RGB.
Lamp Usage Time
Displays the number of hours the lamp has been used.
Firmware Version
Shows firmware version.
6. INFORMATION menu
Downloaded From...

Maintenance 65
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
66
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  below for more information on Economic 
mode.
The lamp hour in Economic mode is calculated  as 3/4 of that in Normal mode. That is,...

Maintenance 67
Setting Auto Power Off
This function allows the projector to turn off automatically if no input source is 
detected after a set period of time to prevent unnecessary waste of lamp life.
To  s e t   Auto Power Off , go into the SYSTEM SETUP: Basic  > Operation 
Settings  > Auto Power Off  menu and press  / . The time period can be set 
from 5 to 30 minutes in 5-minute increments. If the preset time lengths are not 
suitable for your presentation, select  Disable. The projector will not...

Maintenance
68
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 72 for details.
The following lamp warning displays will remind you to change the lamp....

Maintenance 69
Replacing the lamp (FOR SERVICE PERSONNEL 
ONLY)
• 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...

Maintenance
70 3. Remove the lamp cover by (a) 
pushing the lamp cover upward and 
(b) lifting it off.
• Do not turn the power on with  the lamp cover removed.
• Do not insert your fingers  between the lamp and the 
projector. The sharp edges inside 
the projector may cause injuries.
4. Loosen the screws that secure the  lamp.
5. Lift the handle so that it stands up.  Use the handle to slowly pull the 
lamp out of the projector.
• Pulling it too quickly may cause  the lamp to break and scatter 
broken...