BenQ Mx661 Users Manual

Connection 21
Connecting Video source devices
You need only connect the projector to a Video source device using just one of the above 
connecting methods, however each provides a different level of video quality. The method 
you choose will most likely depend upon the availability of matching terminals on both the 
projector and the Video source device as described below:
 
Te r m i n a l
nameTerminal appearanceReferencePicture quality
HDMIHDMIConnecting a HDMI 
source device on 
page 22Best
Component...

Connection 22
Connecting a HDMI source device
The projector provides a HDMI input jack that allows you to connect it to a HDMI source 
device like a DVD player, a DTV tuner or a display.
HDMI (High-Definition Multimedia Interface) supports uncompressed video data 
transmission between compatible devices like DTV tuners, DVD players and displays over a 
single cable. It provides pure digital viewing and listening experience.
Examine your Video source device to determine if it has a set of unused HDMI...

Connection 23
Connecting a Component Video source device
Examine your Video source device to determine if it has a set of unused Component Video 
output jacks available: 
• If so, you can continue with this procedure.
• If not, you will need to reassess which method you can use to connect to the device.
To connect the projector to a Component Video source device:
1. Take a Component Video to VGA (D-Sub) adaptor cable and connect the end with 3 
RCA type connectors to the Component Video output jacks of...

Connection 24
Connecting an S-Video/composite source device
Examine your Video source device to determine if it has an unused S-Video/composite 
output jack available: 
• If it has both jacks, use the S-Video output jack for connection as the S-Video terminal 
provides better picture quality than the Video terminal.
• If it has either of the output jack, you can also continue with this procedure.
• If not, you will need to reassess which method you can use to connect to the device.
To connect the...

Operation 25
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 cable) 
only with the device to avoid possible dangers such as 
electric shock and fire.
• If Direct power on function is activated in the SYSTEM SETUP: Basic > Operation Settings 
menu, the...

Operation
264. If the projector is activated for the first time, 
select your OSD language following the on-
screen instructions.
5. If you are prompted for a password, press the 
arrow keys to enter a six digit password. See 
Utilizing the password function on page 30 
for details.
6. Switch all of the connected equipment on.
7. The projector will start to search for input 
signals. The current input signal being scanned 
displays in the screen. If the projector doesnt 
detect a valid signal, the...

Operation 27
Auto-adjusting the image
In some cases, you may need to optimize the 
picture quality. To do this, press AUTO on the 
projector or remote control. Within 3 
seconds, the built-in Intelligent Auto 
Adjustment function will re-adjust the values of 
Frequency and Clock to provide the best 
picture quality.  
• The screen will be blank while Auto is 
functioning.
• This function is only available when PC signal (analog RGB) is selected.
Use build-in test pattern
You can adjust the image shape...

Operation
28
Fine-tuning the image size and clarity
1. Adjust the projected image to the size that 
you need using the zoom ring.
2. Then sharpen the image by rotating the 
focus ring.
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, besides adjusting the height of the projector, you will need to manually 
correct it following one of these...

Operation 29
Using the menus
The projector is equipped with On-Screen Display (OSD) menus for making various 
adjustments and settings.
Below is the overview of the OSD menu.
The following example describes how to set the OSD language.
1. Press MENU/EXIT on the projector 
or remote control to turn the OSD 
menu on.3. Press  to highlight 
Language and press Enter to 
select a preferred language.
2. Use  /  to highlight the SYSTEM 
SETUP: Basic menu.4. Press MENU/EXIT twice* on 
the projector or remote...

Operation
30
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 the Kensington lock, to secure the projector. You can locate a Kensington 
lock slot on the rear side of the projector. See item 22 on page 9 for details.
A Kensington security cable lock is usually a combination of key(s) and the lock. Refer to 
the locks documentation for finding out how to use it.
Utilizing the password function
For...