BenQ Mx815st/mx815st+/mx816st/mw817st Digital Projector User Manual

Introduction 11
Remote control
1. POWER
Toggles the projector between standby 
mode and on.
2.  Freeze
Freezes the projected image.
3. Left
4. SMART ECO
Displays the lamp mode selection bar.
5. ECO BLANK
Used to hide the screen picture.
6. Digital Zoom (+, -)
Magnifies or reduces the projected picture 
size.
7. Volume +/-
Adjusts the sound level.
8. MENU/EXIT
Turns on the On-Screen Display (OSD) 
menu. Goes back to previous OSD menu, 
exits and saves menu settings.9. Keystone/Arrow keys ( / Up, 
/Down)...

Introduction 12
Remote control effective range
Infra-Red (IR) remote control sensors are located on the front and back of the projector. 
The remote control must be held at an angle within 30 degrees perpendicular to the 
projectors IR remote control sensors to function correctly. The distance between the 
remote control and the sensors should not exceed 8 meters (~ 26 feet).
Make sure that there are no obstacles between the remote control and the IR sensors on 
the projector that might obstruct the...

Positioning your projector 13
Positioning your projector
Choosing a location
Your projector is designed to be installed in one of four possible installation locations: 
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.1. Front Table
Select this location with the...

Positioning your projector 14
Obtaining a preferred projected image size
The distance from the projector lens to the screen, the zoom setting, and the video format 
each factors in the projected image size.
Projection dimensions
Refer to Dimensions on page 54 for the center of lens dimensions of this projector 
before calculating the appropriate position.
MX815ST/MX815ST+/MX816ST
The screen aspect ratio is 4:3 and the projected picture is 4:3
For example, if you are using an 120-inch screen, the...

Positioning your projector 15
MW817ST
The screen aspect ratio is 16:10 and the projected picture is 16:10
For example, if you are using an 120-inch screen, the recommended projection distance is 
1263 mm and the vertical offset is 81 mm.
If your measured projection distance is 2.5 m (2500 mm), the closest match in the (b) 
Distance from screen column is 2526 mm. Looking across this row shows that a 240 
(about 6.1 m) screen is required.
All measurements are approximate and may vary from the actual sizes....

Connection 16
Connection
When connecting a signal source to the projector, be sure to:
1. Turn all equipment off before making any connections.
2. Use the correct signal cables for each source.
3. Ensure the cables are firmly inserted.
•  In the connections shown below, some cables may not be included with the projector (see Shipping 
contents on page 8). They are commercially available from electronics stores.
•  The connection illustrations below are for reference only. The rear connecting jacks...

Connection 17
•  Many notebooks do not turn on their external video ports when connected to a projector. Usually a key 
combo like FN + F3 or CRT/LCD key turns the external display on/off. Locate a function key labeled CRT/
LCD or a function key with a monitor symbol on the notebook. Press FN and the labeled function key 
simultaneously. Refer to your notebooks documentation to find your notebooks key combination.
•  The D-Sub output only works when an appropriate D-Sub input is made to the COMPUTER 1...

Operation 18
Operation
Starting up the projector
1. Plug the power cord into the projector and into a 
power outlet. Turn on the power outlet switch 
(where fitted). Check that the POWER indicator 
light on the projector lights orange after power 
has been applied.
Please use the original accessories (e.g. power cord) only with the 
device to avoid possible dangers such as electric shock and fire.
2. Press  POWER on the projector or   ON on the remote control to start the 
projector. As soon as the lamp...

Operation 19
Adjusting the projected image
Adjusting the projection angle
The projector is equipped with 1 quick-release adjuster foot and 1 rear adjuster foot. 
These adjusters change the image height and projection angle. To adjust the projector:
1. Press the quick-release button and lift the 
front of the projector. Once the image is 
positioned where you want it, release the 
quick-release button to lock the foot in 
position.
2. Screw the rear adjuster foot to fine-tune the 
horizontal angle.
To...

Operation 20
Correcting keystone
Keystoning refers to the situation where the projected image is noticeably wider at either 
the top or bottom. It occurs when the projector is not perpendicular to the screen. 
To correct this, you will need to manually correct it following ONE of these steps.
•  Using the remote control
Press  /  on the projector or remote control 
to display the Keystone correction page. Press   
to correct keystoning at the top of the image. Press 
 to correct keystoning at the bottom...