BenQ Projector MU686 User Manual

Operation 41
Main menu Sub-menu Options
4. 
SYSTEM 
SETUP: 
Basic
Presentation 
TimerTimer Period1~240 minutes
Timer DisplayAlways/3 min/2 min/1 min/Never
Timer PositionTop-Left/Bottom-Left/Top-Right/
Bottom-Right
Timer Counting 
DirectionCount Down/Count Up
Sound ReminderOn/Off
On/Off
Language
Projector InstallationFront Table/Rear Table/Rear 
Ceiling/Front Ceiling
Menu SettingsMenu Display 
Time5 sec/10 sec/20 sec/30 sec/Always
Menu PositionCenter/Top-Left/Top-Right/
Bottom-Right/Bottom-Left
Reminder...

Operation 42Note 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.
Main menu Sub-menu Options
5. 
SYSTEM 
SETUP: 
Advanced
High Altitude ModeOn/Off
Audio SettingsMuteOn/Off
Volume
Power On/Off 
Ring ToneOn/Off
Lamp SettingsLamp ModeNormal/Economic/SmartEco/
LampSave
Reset Lamp Timer
Lamp Timer
Security 
SettingsChange Password
Change Security 
SettingsPower...

Operation 43
Description of each menu
Function Description
Wall ColorCorrects the projected picture’s color when the projection surface is 
not white. See Using Wall Color on page 31 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 29 
for details.
Auto 
KeystoneCorrects any keystoning of the image. See Correcting keystone on 
page 23 for details.
Keystone
Corner Fit
See Adjusting Corner Fit on...

Operation 44
Function Description
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...

Operation 45
Function Description
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 31 for details.
Reference 
ModeSelects a picture mode that best 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 31 
for details.
BrightnessAdjusts the brightness of the image. See...

Operation 46
Function Description
Presentation 
TimerReminds the presenter to finish the presentation within a certain time 
frame. See Setting the presentation timer on page 34 for details.
LanguageSets the language for the On-Screen Display (OSD) menus. See Using 
the menus on page 25 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 14 for details.
Menu 
Settings
Menu Display Time
Sets the...

Operation 47
Function Description
Remote 
ReceiverAllows you to enable all the remote receivers or one specific remote 
receiver on the projector.
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 36 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 48
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 49
 
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.
Lamp Usage Time
Displays the number of hours the lamp has been used.
Firmware Version
Shows the firmware version of your projector.
6. INFORMATION menu 

Maintenance 50
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...