BenQ Mx661 Users Manual

Introduction 11
Ceiling 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, we strongly recommend that 
you use a proper fitting BenQ projector ceiling mount kit and that you ensure it is 
securely and safely installed.
If you use a non-BenQ brand projector ceiling mount kit, there is a safety risk that...

Introduction 12
Remote control
1. Info
Showing the status information of the 
projector.
2. 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 29 for details.
3. Left/ Right
When the On-Screen Display (OSD) menu 
is activated, the #3 and #12 keys are used 
as directional arrows to select the desired 
menu items and to make adjustments. See 
Using the menus on page 29 for details.
4. Mode/Enter
Selects an...

Introduction 13 Infra-Red (IR) remote control sensor is located on the front of the projector. The remote 
control must be held at an angle within 15 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. 14. Source
Displays the source...

Introduction 14
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 15
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: 
1. Front Table
Select this location with the...

Positioning your projector 16
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.
Projection dimensions
Refer to Dimensions on page 95 for the center of lens dimensions of this projector 
before calculating the appropriate position. 
The screen aspect ratio is 4:3 and the projected picture is 4:3
For example, if you are using a 120-inch screen, the average projection...

Connection 17
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.
• For detailed connection methods, see pages 17-24.
1. Audio cable 6. Component Video to VGA...

Connection 18
Computer system requirements for USB display
Windows OS:
* Audio will not be supported on XP.
Computer system requirements for WiFi display
Windows OS:
Mac OS:
CPU Dual Core 2 GHz or higher (ATOM not supported)
Graphic card Intel, nVIDIA or ATI graphic card with 64MB VRAM or 
above
Operating system Windows XP SP3, Vista SP2, Windows 7 SPI and later
USB USB 2.0 High Speed
CPU Dual Core Intel Core i 1.6 GHz or higher (ATOM not 
supported)
Graphic card Intel, nVIDIA or ATI graphic card with...

Connection 19
Connecting a computer or monitor
Connecting a computer
The projector can connect to both IBM® compatibles and Macintosh® computers. A Mac 
adapter is needed if you are connecting legacy version Macintosh computers.
To connect the projector to a notebook or desktop computer 
(using VGA):
1. Take the supplied VGA cable and connect one end to the D-Sub output socket of the 
computer.
2. Connect the other end of the VGA cable to the COMPUTER IN-1 or 
COMPUTER IN-2 signal input jack on the...

Connection 20
signal from MONITOR-OUT jack varies depending on the input signal from COMPUTER 
IN-1 or COMPUTER IN-2 jack.
• If you wish to use this connection method when the projector is in standby mode, make sure 
the Monitor Out function is turned on in the SYSTEM SETUP: Advanced > Standby Settings 
menu. See Standby Settings on page 81 for details.
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