BenQ Projector MX854UST User Manual

Introduction11
Controls and functions
Projector 
1. FOCUS Ring
Used to adjust the projected image 
appearance. See Fine-tuning the image 
size and clarity on page 27 for details.
2. Lens Shift
Used Hex Key to adjust the lens shift 
function.
3. MENU/EXIT
Turns on the On-Screen Display (OSD) 
menu. Goes back to previous OSD menu, 
exits and saves menu settings. 
See Using 
the menus on page 30 for details.
4. Keystone/Arrow keys ( /▲ Up)
Manually corrects distorted images 
resulting from an angled...

Introduction 12
Remote Control 
1.  ON /  OFF
Toggles the projector between standby 
mode and on.
2. Source selection buttons
Selects an input source for display.
3. Keystone/Arrow keys ( /▲ Up, 
/▼ Down)
Manually corrects distorted images 
resulting from an angled projection.
4. MENU/EXIT
Turns on the On-Screen Display (OSD) 
menu. Goes back to previous OSD menu, 
exits and saves menu settings.
5.◄ Left/ 
Decreases the projector volume.
6. ECO BLANK
Used to hide the screen picture.7. LASER (No available...

Introduction13
16.► Right/ 
Increases the projector volume.
When the On-Screen Display (OSD) 
menu is activated, the #3, #5, and #16 
keys are used as directional arrows to 
select the desired menu items and to 
make adjustments.
When MHL function, the #3, #5 and #16 
are used as directional arrows. #4 for 
MENU/EXIT and #17 for 
MODE/ENTER.
17. MODE/ENTER
Selects an available picture setup mode. 
Activates the selected On-Screen Display 
(OSD) menu item.
18. SOURCE
Displays the source selection bar.
19....

Introduction 14
Controlling your smart device with the remote control
When the projector projects the contents from your MHL compatible smart device, you 
can use the remote control to control your smart device.
To enter the MHL mode, press and hold AUTO for 3 seconds. The following buttons are 
available for controlling your smart device, Arrow keys ( /▲ Up, /▼ Down, 
◄ Left, ► Right), MENU/EXIT, MHL control buttons.
To leave the MHL mode, press and hold AUTO for 3 seconds.
When the projector is under...

Introduction15
Replacing the remote control battery
1. To open the battery cover, turn the remote control over to view its back, push on 
the finger grip on the cover and slide it up in the direction of the arrow as illustrated. 
The cover will slide off.
2. Remove any existing batteries (if necessary) and install two AAA batteries observing 
the battery polarities as indicated in the base of the battery compartment. Positive 
(+) goes to positive and negative (-) goes to negative.
3. Refit the cover by...

Positioning your projector 16
Positioning your projector
Using the quick install
The projector provides a hot key to set Projector Installation, Te s t  
Pattern, and Keystone quickly. 
Press Quick Install on the remote control and press ▲/▼ to select: 
• Projector Installation: See 
Positioning your projector on page 16.
• Test Pattern: See 
Using the test pattern on page 46.
• Keystone: See 
Correcting 2D Keystone on page 27.
1. Choosing a location
Your projector is designed to be installed in one of...

Positioning your projector 17
Set up your screen via Quick Install hotkey on remote, you can also go to the SYSTEM 
SETUP: Basic > Projector Installation menu after turning on the projector.
Your room layout or personal preference will dictate which installation location you select. 
Take into consideration the size and position of your screen, the location of a suitable 
power outlet, as well as the location and distance between the projector and the rest of 
your equipment.
Obtaining a preferred...

Positioning your projector 18
Projection dimensions
Refer to Dimensions on page 21 for the center of lens dimensions of this projector 
before calculating the appropriate position.
MX854UST
The screen aspect ratio is 4:3 and the projected picture is 4:3. 
Wh D
H
V
XGA
Screen 
size 
(Diagonal)Screen 
width (W)Screen 
Height (h)Projection 
distance 
(D)
Offset (H)Scale 
parameterDistance 
between 
Wa l l  p l a t e  
& 
projection 
screen (V)
inchmminchmminchmminchmminchmmmm
68 1727 54 1382 40 1036 11.16...

Positioning your projector 19
MW855UST
The screen aspect ratio is 16:10 and the projected picture is 16:10. 
MH856UST
The screen aspect ratio is 16:9 and the projected picture is 16:9. 
There is 5% tolerance among these numbers due to optical component variations. BenQ 
recommends that if you intend to permanently install the projector, you should physically test 
the projection size and distance using the actual projector before you permanently install it, so 
as to make allowance for this projectors...

Positioning your projector 20
Limited lens shift specification 
(No available in MH856UST)  
To shift up the projection image, twist the 
adjuster counter clockwisre.To shift down the projection image, twist 
the adjuster clockwisre.
H
Hx4%
Hx4%
Hex Key(2.5mm)