BenQ Projector MX852UST+ User Manual

Operation31
Using the menus
The projector is equipped with On-Screen Display (OSD) menus for making 
various adjustments and settings.
Below is the overview of the OSD menu.
To use the OSD menus, please set them to your familiar language first.
1. Press MODE/ENTER on the 
projector or remote control to turn 
the OSD menu on.3. Press ▼ to highlight 
Language and press ◄/► 
to select a preferred 
language.
2. Use ◄/► to highlight the System 
Setup: Basic menu.4. Press MODE/ENTER 
twice* on the projector or...

Operation 32
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 a Kensington lock, to secure the projector. You can 
locate a Kensington lock slot on the left side of the projector. See 
Kensington anti-theft lock slot on page 12 for details. 
A Kensington security cable lock is usually a combination of key(s) and a lock. 
Refer to the lock’s documentation for finding out how to use it.
Utilizing the...

Operation33
correct password to change projector settings via the Projector 
Network Display System
The digits being input will display as asterisks on-screen. Write your selected 
password down here in this manual in advance or right after the password is 
entered so that it is available to you should you ever forget it.
Password: __ __ __ __ __
Keep this manual in a safe place.
7. To leave the OSD menu, press MENU/EXIT.
If you forget the password
If the password function is activated, you will be...

Operation 34
Changing the password
1. Open the OSD menu and go to the System Setup: Advanced > 
Security Settings > Change password menu.
2. Press MODE/ENTER. The message INPUT CURRENT 
PA S S W O R D  displays.
3. Enter the old password.
• If the password is correct, another message INPUT NEW 
PA S S WO R D  displays. 
• If the password is incorrect, the password error message displays 
lasting for three seconds, and the message INPUT CURRENT 
PA S S WO R D  displays for your retry. You can press MENU/...

Operation35
for your retry. You can press MENU/EXIT to cancel the change or try 
another password.
Though the password function is disabled, you need to keep the old 
password in hand should you ever need to re-activate the password function 
by entering the old password.
Switching input signal
The projector can be connected to multiple devices at the same time. 
However, it can only display one full screen at a time. 
Be sure the Quick Auto Search function in the Source menu is On 
(which is the default...

Operation 36
Magnifying and searching for details
If you need to find the details on the projected picture, magnify the picture. 
Use the direction arrow keys for navigating the picture.
•  Using the remote control
1. Press Digital Zoom+/- to display the Zoom bar. Press Digital 
Zoom+ to magnify the center of the picture. Press the key repeatedly 
until the picture size is suitable for your need.
2. Use the directional arrows (▲, ▼, ◄, ►) on the projector or remote 
control to navigate the picture.
3. To...

Operation37
•  Using the OSD menu
1. Press MENU/EXIT and then press ◄/► until the Display menu is 
highlighted.
2. Press
 ▼ to highlight Aspect Ratio.
3. Press ◄/► to select an aspect ratio to suit the format of the video 
signal and your display requirements. 

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 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 
its...

Operation39
Optimizing the image
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...

Operation 40
Setting the User 1/User 2 mode
There are two user-definable modes if the current available picture modes 
are not suitable for your need. You can use one of the picture modes (except 
the User 1/User 2) as a starting point and customize the settings.
1. Press MENU/EXIT to open the On-Screen Display (OSD) menu.
2. Go to the Picture > Picture Mode menu.
3. Press ◄/► to select User 1 to User 2.
4. Press ▼ to highlight Reference Mode.
This function is only available when User 1 or User 2 mode is...