Bench Mx750/mp780st Digital Projector User Manual

Introduction 11
Controls and functions
Projector
6. AUTO
Automatically determines the best picture 
timings for the displayed image. See 
Auto-adjusting the image on page 31 for 
details.
7. Power/POWER indicator light
Toggles the projector between standby 
mode and on.See Starting up the 
projector on page 30 and Shutting down 
the projector on page 69 for details.
Lights up or flashes when the projector is 
under operation. See Indicators on page 
90 for detail.
8. TEMPerature indicator light
Lights up...

Introduction 12
Mounting the projector
We want you to have a pleasant experience using your BenQ projector, so we need to 
bring this safety matter to your attention to prevent possible damage to person and 
property.
If you intend to mount your projector on the ceiling or wall, we strongly recommend 
that you use a proper fitting BenQ projector ceiling mount kit or wall mount kit and 
that you ensure it is securely and safely installed.
If you use a non-BenQ brand projector mounting kit, there is a...

Introduction 13
Remote control
1. ON
Turns on the projector. See Starting up the 
projector on page 30 for details.
2. COMPUTER-1/COMPUTER-2
Displays RGB (PC)/Component video 
(YPbPr/ YCbCr) signal.
3. S-VIDEO
Displays S-video signal.
4. 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 33 for details.
5. BLANK
Used to hide the screen picture. See Hiding 
the image on page 44 for details.
6. Keystone/Arrow...

Introduction 1418. AUTO
Automatically determines the best picture 
timings for the displayed image. See 
Auto-adjusting the image on page 31 for 
details.
19. Right/
When the On-Screen Display (OSD) 
menu is activated, the #6, #8, and #19 keys 
are used as directional arrows to select the 
desired menu items and to make 
adjustments. See Using the menus on 
page 33 for details.
Activates panel key lock. See Locking 
control keys on page 45 for details.
20. LASER
Emits visible laser pointer light for...

Introduction 15 Infra-Red (IR) remote control sensor is located on the front of the projector. The remote 
control must be held at an angle within 30 degrees perpendicular to the projectors IR 
remote control sensor to function correctly. The distance between the remote control and 
the sensor should not exceed 8 meters (~ 26 feet).
Make sure that there are no obstacles between the remote control and the IR sensor on the 
projector that might obstruct the infra-red beam.
Replacing the remote control...

Positioning your projector 16
Positioning your projector
Choosing a location
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.
Your projector is designed to be installed in one of four possible installation locations: 
Your room layout or personal preference will...

Positioning your projector 17
Obtaining a preferred projected image size
The distance from the projector lens to the screen, the zoom setting (if available), and the 
video format each factors in the projected image size.
The projector should always be placed horizontally level (like flat on a table), and positioned 
directly perpendicular (90° right-angle square) to the horizontal center of the screen. This 
prevents image distortion caused by angled projections (or projecting onto angled surfaces). 
If...

Positioning your projector 18
How to determine the position of the projector for a given 
screen size
1. Select your screen size.
2. Refer to the table on page 19-20 and find the closest match to your screen size in the 
left columns labelled Screen size. Using this value, look across this row to the right to 
find the corresponding average distance from screen value in the column labelled 
Average. This is the projection distance.
3. On that same row, look across to the right column and make note of the...

Positioning your projector 19
MX750 Projection dimensions
Refer to Dimensions on page 93 for the center of lens dimensions of this projector before 
calculating the appropriate position.
There is 3% 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 in situ before you permanently 
install it, so as to make allowance for this...

Positioning your projector 20
MP780 ST Projection dimensions
Refer to Dimensions on page 93 for the center of lens dimensions of this projector before 
calculating the appropriate position.
There is 3% 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 in situ before you permanently 
install it, so as to make allowance for this...