BenQ Ms521 Users Manual

Operation 41
Function Description
Presentation 
TimerReminds the presenter to finish the presentation within a certain time 
frame. See Setting the presentation timer on page 29 for details.
LanguageSets the language for the On-Screen Display (OSD) menus. See Using 
the menus on page 20 for details.
Projector 
InstallationThe projector can be installed on a ceiling or behind a screen, or with 
one or more mirrors. See Choosing a location on page 13 for details.
Menu 
Settings
Menu Display Time
Sets the...

Operation 42
Function Description
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 31 for details.
Background 
ColorSets the background color for the projector.
Splash 
ScreenAllows you to select which logo screen will display during projector 
start-up. 
High 
Altitude 
ModeA mode for operation in high altitude areas. See Operating in a high 
altitude environment on page 31 for details.
Audio...

Operation 43
Function Description
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 effects of TV programs and videos that are closed captioned 
(usually marked as CC in TV listings).
Caption Version
Selects a preferred closed captioning mode. To view captions, select 
CC1, CC2, CC3, or CC4 (CC1 displays captions in the primary 
language in your...

Operation 44
 
Function Description
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.
Equivalent Lamp
Displays the number of hours the lamp has been used.
Firmware Version
Shows the firmware version of your projector.
6. INFORMATION menu
Downloaded From...

Maintenance 45
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. Contact your dealer if other parts need 
replacing.
Cleaning the lens
Clean the lens whenever you notice dirt or dust on the surface. Please be sure to turn off 
the projector and let it cool down completely before cleaning the lens.
•  Use a canister of compressed air to remove dust. 
•  If...

Maintenance 46
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. 
Total (equivalent) lamp hour = 2.22 x (hours used in Normal mode) + 1.67 x (hours used 
in Economic mode) + 1.54 x (hours used in SmartEco mode) + 1.00 x (hours used in 
LampSave mode).
To obtain the lamp hour information:
1. Press MENU/EXIT and then press  /  to highlight the SYSTEM SETUP: 
Advanced menu.
2. Press  to...

Maintenance 47
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 consult your dealer or go to http://lamp.benq.com before installing 
a new lamp. 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. 
Turn the power off and let the projector cool for 45 minutes. If the Lamp or...

Maintenance 48
Replacing the lamp
Turn the power off and disconnect the projector from the power outlet. Please contact 
service personnel for changing the lamp or visit http://www.BenQ.com.
Resetting the lamp timer
After the startup logo, open the On-Screen Display (OSD) menu. Go to the SYSTEM 
SETUP: Advanced > Lamp Settings menu. Press MODE/ENTER. The Lamp 
Settings page appears. Highlight Reset Lamp Timer. A warning message appears asking 
if you want to reset the lamp timer. Highlight Reset and...

Maintenance 49
Indicators
LightStatus & Description
Powe r  ev e n t s
Orange Off OffStand-by mode
Green 
FlashingOff OffPowering up
Green Off OffNormal operation
Orange
FlashingOff OffNormal power-down cooling
Red Off OffDownload
Green Off RedCW start fail
Red Flashing Off OffScaler shutdown fail (data abort)
Green Off OffBurn-in ON
Green Green GreenBurn-in OFF
Lamp events
Off Off RedLamp1 error in normal operation
Off OffOrange 
FlashingLamp is not lit up
Thermal events
Red Red OffFan 1 error (the...

Troubleshooting 50
Troubleshooting
The projector does not turn on.
No picture
Blurred image
Remote control does not work
The password is incorrect
CauseRemedy
There is no power from the power cord.Plug the power cord into the AC power jack on 
the projector, and plug the power cord into the 
power outlet. If the power outlet has a switch, 
make sure that it is switched on.
Attempting to turn the projector on again 
during the cooling process.Wait until the cooling down process has 
completed....