BenQ Pb2250 Digital Projector Mobile Series Users Manual

Introduction 7
Projector exterior view
Front / Upper side
Rear side
Bottom side
External control panel 
(See page 8 for 
detailed information.)
Front IR remote sensor
Ventilation grillFront adjuster buttonProjection lens Focus ring and zoom 
ring
AC power cord inlet Kensington lock hole
S-Video
Video
Audio
D
-Sub USB
Ventilation grill S-Video socketRear IR remote sensor
Audio socketRGB signal input (PC/ 
YPbPr/ YCbCr) socket USB socketVideo socket
Lamp cover
Rear adjuster foot Rear adjuster foot Front...

Introduction 8
Controls and functions
External control panel
LeftRightUp Down
PB2250
1
2
3
9
6
8 511 10
4
7 1213
1. Power (Refer to pages 17 and 21 for 
more information.)
Turns the projector on or off.
2. Menu
Opens, saves and exits the on-screen 
menu.
3. Down 6
4.5 Up
5.3 Left
6. Right 4
The #2 to #6 buttons are used to select 
the desired menu items and to make 
adjustments when the on-screen 
menu is activated. Refer to page 23 for 
more information.
When the on-screen menu is not 
activated, the 3...

Introduction 9
Remote control description
    
FunctionsDescriptions
PowerTurns the projector on or off. Refer to pages 17 and 21 for more 
information.
Freeze The image is frozen when Freeze is pressed. A “Pause” icon will 
appear in the lower right corner of the screen. To release the 
function, press Freeze again, or Source (this will change the 
input source and release the pause function).
5Up, Menu
3Left / Right4, 
6 DownUsed to select the desired menu items and to make adjustments. 
Refer to page...

Introduction 10
Remote control effective range
Infra Red (IR) remote control sensors are located on the front and the back of the projector. 
The remote control must be held at an angle within 30 degrees of the projector’s IR remote 
control sensors to function correctly. The distance between the remote control and the 
sensors should not exceed 6 meters (~ 20 feet). 
Notes on Remote Control Operation:
Make sure that there are no obstacles between the remote control and the IR sensors on the 
projector...

Positioning your projector 11
Positioning your projector
Choosing a location
Your projector is designed to be installed in one of four possible installation locations: 
1. Floor in front of screen; 
2. Ceiling in front of screen; 
3. Floor at rear of screen; or 
4. Ceiling at rear of screen. 
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...

Positioning your projector 12
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. BenQ has provided separate tables of dimensions 
for both 16:9 and 4:3 screen ratios to assist you in determining the ideal location for your 
projector.
1. Determine the aspect ratio of your screen (4:3 or 16:9).
2. Determine the projection distance allowed in your room. Install the projector at a...

Positioning your projector 13
The recommended focus range is from 1.5 ~ 8 meters (6 ~ 32 feet).
There is 3% ~ 5% tolerance among these numbers due to optical component variations.
* 1 m = 3.28 feet, 1 foot = 0.305 m
Screen size chart (4:3 aspect ratio)
Distance
from screenDiagonal measurementDistance from
screenDiagonal measurement
Minimum
zoomMaximum
zoomMinimum
zoomMaximum
zoom
feet inch feet inch feet inch meter cm meter cm meter cm
4 48 2.49 29.9 3.05 36.6 1 100 0.62 62.2 0.76 76.2
6 72 3.73 44.8...

Connection 14
Connection
When connecting a signal source to the projector, be sure to:
1. Turn all of the equipment off before making any connections.
2. Use the correct signal cables for each source.
3. Ensure that the cables are firmly inserted. 
Connecting to a laptop or desktop computer
 
A Mac adapter (an optional accessory) is needed if you are connecting to Macintosh 
computers. 
Many laptops do not turn on their external video ports when connected to a projector. Usually 
a key combo like FN + F3...

Connection 15
Connecting equipment to the Component Video 
input
The projector is capable of displaying various High Definition TV display modes. Some of 
these sources are:  
Most of these sources will provide an analog component video output, either a standard 
VGA (D-sub) output, or a YP
bPr (default) format. 
The projector is capable of accepting digital TV data through a Component Video 
connector. Use a Component Video cable (optional accessory) to display these images.
The following standards are...

Connection 16 
If the selected video image is not displayed after the projector is turned on and the correct 
video source has been selected, check that the video source is turned on and operating 
correctly. Also check that the signal cables have been connected correctly.
S-Video
Video
Audio
D-Sub USB
Audio cable Video cable
Video devices