BenQ Projector MX768 User Manual

Operation31 3. Press  /  to select the direction and press MODE/ENTER. 
Only one Surface Fit setting will be stored so if you want to 
change from the previous direction to the other, the notice 
message will pop-up to remind you to reset the previous 
Surface Fit setting.
4. Press  /  to adjust the left or/and right side 
convex or concave. Default is 0 and value is -40~0~40. 
Single side adjustment is only for distortion.
5. For both sides of the horizontal surface fit, use  /  to 
adjust the center of...

Operation 328. Press  /  to adjust the top or/and bottom side convex 
or concave. Default is 0 and value is -40~0~40. Single side 
adjustment is only for distortion.
9. For both sides of the vertical surface fit, use  /  to 
adjust the center of the curve because it is not always at 
the center. Default is 0 and value is -40~0~40.
•Using the QUICK INSTALL key
1. Press QUICK INSTALL on the remote control.
2. Press  to select 
Surface Fit and press MODE/
ENTER.
3. Follow the steps 2~9 in the above...

Operation33
Using the menus
The projector is equipped with On-Screen Display (OSD) menus for making various 
adjusents and settings.
Below is the overview of the OSD menu.
The following example describes how to set the OSD menu.
1. Press MENU/EXIT on the projector 
or remote control to turn the OSD 
menu on.3. Press   to select 
Background Color and press 
/  to select a background 
color.
2. Use  /  to select the SYSTEM 
SETUP: Basic menu.4. Press MENU/EXIT twice* on 
the projector or remote 
control to...

Operation 34
Securing the projector
Using a security cable lock
The projector has to be installed in a safe place to prevent theft. Otherwise, purchase a 
lock, such as the Kensington lock, to secure the projector. You can locate a Kensington 
lock slot on the rear side of the projector. See item 25 on page 10 for details.
A Kensington security cable lock is usually a combination of key(s) and the lock. Refer to 
the locks documentation for finding out how to use it.
Utilizing the password function
For...

Operation35
If you forget the password
If the password function is activated, you will be asked 
to enter the six-digit password every time you turn on 
the projector. If you enter the wrong password, the 
password error message as pictured to the right 
displays lasting for three seconds, and the message 
INPUT PASSWORD follows. You can retry by 
entering another six-digit password, or if you did not 
record the password in this manual, and you absolutely do not remember it, you can use 
the password...

Operation 367. To leave the OSD menu, press MENU/EXIT.
Disabling the password function
To disable password protection, go back to the SYSTEM SETUP: Advanced > 
Security Settings > Change Security Settings menu after opening the OSD menu 
system and press MODE/ENTER. The message INPUT PASSWORD displays. Enter 
the current password.
• If the password is correct, the OSD menu returns to the Security Settings 
page. Select Power On Lock and select Off by pressing  / . You will not 
have to enter the password...

Operation37
image distortion or loss of picture clarity. See Selecting the aspect ratio on page 37 for 
details.
Changing Color Space
In the unlikely event that you connect the projector to a DVD player via the projectors 
HDMI input and the projected picture displays wrong colors, please change the color space 
to YUV.
1. Press MENU/EXIT and then press   / until the SOURCE menu is selected.
2. Press  to select Color Space Conversion and press  /  to select a suitable 
color space.
This function is only...

Operation 38
About the aspect ratio
In the pictures below, the black portions are inactive areas and the white portions are active 
areas. OSD menus can be displayed on those unused black areas.
1.Auto: Scales an image proportionally to fit the 
projectors native resolution in its horizontal or 
vertical width. This is suitable for the incoming 
image which is neither in 4:3 nor 16:9 and you 
want to make most use of the screen without 
altering the images aspect ratio.
2.
Real: The image is projected as...

Operation39
Optimizing the image
Selecting a picture mode
The projector is preset with several predefined 
picture modes so that you can choose one to suit 
your operating environment and input signal 
picture type.
To select an operation mode that suits your need, 
you can follow one of the following steps.
•Press MODE/ENTER o n  t h e  re m o t e  c o n t ro l  
or projector repeatedly until your desired 
mode is selected.
• Go to the PICTURE > Picture Mode menu and press  /  to select a desired...

Operation 40
Using Wall Color
In the situation where you are projecting onto a colored surface such as a painted wall 
which may not be white, the Wall Color feature can help correct the projected picture’s 
color to prevent possible color difference between the source and projected pictures.
To use this function, go to the DISPLAY > Wall Color menu and press  /  to select 
a color which is the closest to the color of the projection surface. There are several 
precalibrated colors to choose from: Light...