BenQ Cp120 Dlp Users Manual

Positioning your projector 13 signal) will display in a 4:3 aspect ratio (and will require an additional 33% display height 
than that of the scaled 16:9 aspect image projection area).
IMPORTANT: Do not select a permanent projector position based upon a 16:9 projection if you 
will ever need to select an input other than composite Video being fed a 16:9 aspect signal.
The projector should always be placed horizontally level (like flat on a table), and positioned 
directly perpendicular (90° right-angle...

Positioning your projector 14
How to determine the recommended screen size for a
given distance
This method can be used for situations where you have purchased this projector and would 
like to know what screen size will fit in your room. The maximum screen size is limited by 
the physical space available in your room.
1. Measure the distance between the projector and where you want to position the 
screen. This is the projection distance.
2. Refer to the table on page 15 and find the closest match to...

Positioning your projector 15
Screen size chart
There is 3% ~ 5% tolerance among these numbers due to optical component variations.
4:3 Screen Diagonal4:3 Aspect in mmDistance from Screen in mmVertic al 
Offset in 
mm
FeetInchesmmWidthHeight
Min length 
(with max. 
zoom)
Average 
Max length 
(with min. 
zoom)
4 48 1219 975 732 1752 1903 2054 91
1500 1200 900 2155 2341 2527 113
5 60 1524 1219 914 2190 2379 2568 114
6 72 1829 1463 1097 2628 2854 3081 137
2000 1600 1200 2874 3122 3370 150
7 84 2134 1707...

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 6). They are commercially available from electronics stores.
• This projector has no speaker or built-in support for audio reproduction.
Connecting a...

Connection 17
Connecting Video source devices
This section describes how to connect the projector to Video source devices using video 
cables. Video cable connections are recommended for Video presentations.
This projector also supports data (graphic) PC connection using wireless local area network 
(WLAN) connection. WLAN connection is not recommended for Video presentations. 
SeeUsing the wireless functions on page 28.
You can connect your projector to various Video source devices that provide any one...

Connection 18
Connecting a Component Video source device
Examine your Video source device to determine if it has a set of unused Component Video 
output sockets 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 the (optional accessory) Component Video to VGA (D-Sub) adaptor cable and 
connect the end with 3 RCA type connectors to the Component...

Connection 19
Connecting an S-Video source device
Examine your Video source device to determine if it has an unused S-Video output socket 
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 an S-Video source device
1. Take an appropriate S-Video cable (not supplied) and connect one end to the S-Video 
output socket of the Video source device.
2. Connect the other end of the S-Video...

Connection 20
Connecting a composite Video source device
Examine your Video source device to determine if it has a set of unused composite Video 
output sockets 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 an composite Video source device
1. Take an appropriate Video cable (not supplied) and connect one end to the composite 
Video output socket of the Video source device.
2....

Using the projector 21
Using the projector
Start up
If the projector is still hot from previous activity, it will run the cooling fan for approximately 90 
seconds before energising the lamp.
4. If you are prompted for a password, press the arrow buttons to select the four 
password digits, then press the Auto (or AU TO / C H .) button. For information about 
the password function, refer to Utilizing the password function on page 22.
5. Switch all of the connected equipment on.
6. The current input...

Using the projector 22The projector will also display its name, current wireless connection mode and 
channel in the lower part of the dialog. The default wireless connection mode is 
802.11 b/g. The projector name is used to identify which projector to connect when 
you have multiple projectors available in the same location.
If a wireless connection is detected, the Wireless Connection menu will display 
automatically.
• For more information about wireless connection modes, channels and how to...