BenQ Projector MX854UST User Manual

Operation31
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 9 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...

Operation 32
If you forget the password
If the password function is activated, you will be asked 
to enter the five-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 five-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...

Operation33
6. You have successfully assigned a new password 
to the projector. Remember to enter the new 
password next time the projector is started.
7. 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. Press 
MODE/ENTER. The message INPUT PASSWORD appears. Enter the current 
password. 
1. If the password is correct, the OSD...

Operation 34
Changing Color Space
In the unlikely event that you connect the projector to a DVD player via the projector’s 
HDMI input and the projected picture displays wrong colors, please change the color 
space.
To  d o  t h i s :
1. Press MENU/EXIT and then press ◄/► until the SOURCE menu is highlighted.
2. Press ▼ to highlight Color Space Conversion and press ◄/► to select the 
setting.
This function is only available when the HDMI input socket is in use.
Magnifying and searching for details
If you...

Operation35
Selecting the aspect ratio
The aspect ratio is the ratio of the image width to the image height. Most analog TV and 
computers are in 4:3 ratio, and digital TV and DVDs are usually in 16:9 ratio.
With the advent of digital signal processing, digital display devices like this projector can 
dynamically stretch and scale the image output to a different aspect than that of the image 
input signal. 
To change the projected image ratio (no matter what aspect the source is):
• Using the remote...

Operation 36
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...

Operation37
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 38
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...

Operation39
Selecting a Color Temperature
The options available for color temperature* settings vary according to the signal type 
selected.
1.Cooler: makes the image appear bluish white.
2.Normal: Maintains normal colorings for white.
3.Wa r m : Makes images appear reddish white.
*About color temperatures:
There are many different shades that are considered to be white for various purposes. 
One of the common methods of representing white color is known as the “color 
temperature”. A white color with a...

Operation 40
3D Color Management
In most installation situations, color management will not be necessary, such as in 
classroom, meeting room, or lounge room situations where lights remain on, or where 
building external windows allow daylight into the room. 
Only in permanent installations with controlled lighting levels such as boardrooms, lecture 
theaters, or home theaters, should color management be considered. Color management 
provides fine color control adjustment to allow for more accurate color...