BenQ Pb2250 Digital Projector Mobile Series Users Manual

							Operation 17
Operation
Start up
1. Switch all of the connected equipment on.
2. Plug the power cord into the projector and into a wall 
socket. Turn on the wall socket switch (where fitted). 
Turn on the power point (if switched). Check that the 
Power indicator on the projector lights orange after 
power has been applied.
3. Remove the lens cap. If it is left on, it could become 
deformed due to heat.
4. Press and hold (for 2 seconds) the Power button on 
the remote control or projector to start the unit. The 
Power indicator light flashes green and stays green 
when the unit is on.
5. The start up procedure takes about 30 seconds after 
pressing Power. In the later stage of start up, a default 
BenQ logo is projected. 
6. If you are prompted for a password, press the arrow 
buttons to select the four password digits, then press 
Auto. For information about the password function, 
refer to page 17.
7. The projector will start to search for input signals. The projector screen displays the 
current input source being scanned at the bottom right corner of the screen. If no 
input source signal is detected, the search will continue until an input source signal is 
detected.
8. You can also press Source on the projector or remote control to select an input signal 
to display. For more information, please refer to page 21.
If the frequency/ resolution of the input signal exceeds the projector’s operating range, you 
will see the message “Out of Range” displayed on a blank screen.
Utilizing the password function
For security purposes and to help prevent unauthorized use, the projector includes an 
option for setting up password security. The password can be set through the on-screen 
menu. For details of the on-screen menu operation, please refer to page 23 for information.
WARNING: You will be inconvenienced if you activate the password functionality and 
subsequently forget the password. Write the password you used in this manual, and keep the 
manual in a safe place for later recall.
To set a password:
CAUTION: Once a password has been set, the projector cannot be used unless the correct 
password is entered every time the projector is started.
1. Open the on-screen menu and go to  Setting > Password. Select   by 
pressing 3 or 4.
LeftRightUp Down 
						

							Operation 182. When the function is activated for the first time, 
a prompt will display on the screen. Use the 5 
or 6 buttons to select a number for each digit 
of the password. Use the 3 or 4 buttons to 
move between the digits of the password..
3. When all digits are entered and the password is 
ready, press Auto to confirm. A confirmation 
message displays.
IMPORTANT: Write your selected password down here in this manual so that it is available to 
you should you ever forget it.
Password: __ __ __ __
Keep this manual in a safe place.
i. Press Auto to continue. The set-up is finished when the message “Password setup 
completed” displays.
ii. Press 5 to go back to the previous 
screen and re-enter four digits.
iii. Press 6 to cancel the password 
set-up and return to the on-screen 
menu.
If you forget the password:
You will be asked to enter the four digit password every time you turn on the projector. If 
you enter the wrong password, the password error message displays. You can retry by 
turning off the projector (by pressing Power) and start again, or if you did not record the 
password in this manual, and you absolutely do not remember it, you can use the password 
recall procedure.
To enter the password recall procedure:
Press and hold 4 for 5 seconds. The projector will display a coded number on the screen. 
Seek help from the local BenQ service center to decode the number. You may be required to 
provide proof of purchase documentation to verify that you are an authorized user of the 
projector.
To change the password:
1. Open the on-screen menu and go to  Setting > Change Password.
2. Press 3 or 4. A “Change Password” message displays.
3. Enter the old password.
i. If the password is correct, you can go on to enter new password.
IMPORTANT: Write your selected password down here in this manual so that it is available to 
you should you ever forget it.
Password: __ __ __ __
Keep this manual in a safe place.
ii. If the password is incorrect, a “Password Error” message displays. Press 5 to try 
again or press 6 to cancel.
4. Check the new password. 
i. Pressing Auto completes the procedure. 
ii. Press 5 to try again. 
iii. Press 6 to cancel the set-up and return to the on-screen menu.
Password Setup
Enter Password  
Press Auto to Confirm
Press 5 or 6 to change number
Press 3 or 4to move
0000
Password Setup
Do you want to use 0 0 0 0 as your password?
Yes  Auto       No 5       Cancel 6 
						

							Operation 19
Adjusting the image
Adjusting the height
The projector is equipped with 1 quick-release adjuster foot and 2 rear adjuster feet. These 
adjusters can be used to change the image height and projection angle. To adjust the 
projector,
1. Lift the projector up and press the 
adjuster button to release the adjuster. 
The adjuster will drop into position.
Do not look into the lens while the lamp is 
on. The strong light from the lamp may 
cause damage to your eyes.
2. Screw the rear adjuster feet to fine 
tune the horizontal angle.
To retract the foot, press the adjuster 
button again.
If the screen and the projector are not perpendicular to each other, the projected image 
becomes vertically trapezoidal. To correct this situation, adjust the value of Keystone in the 
Picture menu, on the projector control panel or on the remote control.
Auto-adjusting the image
In some cases, you may need to optimize the picture quality. 
To do this, press Auto on the control panel of the projector 
or on the remote control. Within 3 seconds, the built-in 
Intelligent Auto Adjustment function will re-adjust the 
values of Frequency, Clock and Keystone to provide the best 
picture quality. 
The screen will be blank while the auto-adjustment is 
functioning.
Fine-tuning the image size and clarity
Refer to the screen size tables on page 13.
2
2
1
LeftRightUp Down
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.  
						

							Operation 20
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, you can perform the following steps.
1. Adjust the height of the projector.
2. Press Keystone   on the remote control or 
Auto on the projector.
If the image is still distorted, you will need to manually 
correct it following ONE of these steps.
• Press 3 Left/ Right 4 (hot key) on the control 
panel of the projector to display the status bar 
labelled Keystone. Press 3 Left to correct 
keystoning at the top of the image. Press Right 4 to correct keystoning at the bottom 
of the image.
• Press /  on the remote control to display the status bar labelled Keystone, then 
press  to correct keystoning at the top of the image or press   to correct 
keystoning at the bottom of the image. 
• Press Menu key on the projector or the remote control. Go to 
 Picture --> 
Ke ystone and adjust the values by pressing 3 Left/ Right 4 on the projector or 3 /  4 
on the remote control. 
For example, 
LeftRightUp Down
AUTO
0Keystone-6Keystone
0Keystone+6Keystone
1. Press 3 Left on the projector or
2. Press  on the remote control or
3. Press 3 Left on the projector or 3 on the 
remote control when you are in Picture --> 
Keystone menu.
1. Press Right 4 on the projector or
2. Press  on the remote control or
3. Press Right
 4 on the projector or 4 on 
the remote control when you are in Picture -
-> Keystone menu. 
						

							Operation 21
Switching input signals
The projector can be connected to multiple devices at the 
same time. To sequentially select input sources, press the 
Source button on the projector control panel or the remote 
control. The selected source will be displayed at the bottom 
right of the screen for 3 seconds. 
Hiding the image
In order to draw the audience’s full attention to the presenter 
during a presentation, you can use the Blank button to hide the 
screen image. Press the Blank button again to restore the image. A 
word “BLANK” will display at the bottom right corner of the 
screen when the image is hidden.
Set the duration of blank time in   Advance > Blank Time 
menu.
Do not block the projection lens from projecting as this could cause 
the blocking object to become heated and deformed or even cause a 
fire. 
Shutdown
1. Press Power and a confirmation prompt 
displays. Press Power a second time to turn 
the projector off. 
2. The Power indicator lig ht flashes orange and 
the lamp shuts down. The fans will continue 
to run for approximately 90 seconds to cool 
down the projector lamp.
To protect the lamp, the projector will not respond to 
any commands during the cooling process.
Do not unplug the power cord before the projector 
shutdown sequence is complete or during the 90-
second cooling down process.
LeftRightUp Down
                 BLANK
LeftRightUp Down 
						

							Operation 22
Menu operation
Menu system
The OSD menus will vary according to the selected signal type being used. 
Functions available when receiving different signal types...
Sub-MenuPCVideo / S-Video / 
Component Video
 
PicturePreset Mode
Keystone
Brightness
ContrastPreset Mode
Keystone
Brightness
Contrast
Color
Tint
 
Pro-Picture
Auto Resize
Aspect Ratio
H Position
V Position
Phase
H. SizeAuto Resize
Aspect Ratio
Sharpness
 
Setting
Mute
Vo l u m e
OSD Time
Reset
Color Temp
Password
Change Password
 
Advance
Mirror
Blank Time
Source Scan
Language
Splash Scree n
High Altitude Mode
 
InformationSource
Resolution
Preset Mode
Lamp HourSource
System
Preset Mode
Lamp Hour 
						

							Operation 23
Using the menus
The projector is equipped with on-screen display (OSD) menus for making various 
adjustments and settings.
The following example describes the adjustment of the keystone.  
There are 10 different menu languages. Before making adjustments, you may choose a 
suitable OSD language in   Advance > Language menu. (Refer to page 27 for more 
details.)1. Press Menu to turn the on-screen menu 
on.3. Adjust keystone values by 
pressing 3 Left / Right 4 on 
the projector or 3 / 4 on the 
remote control.    
2. Use 3 Left / Right 4 on the projector 
or 3 / 4 on the remote control to select 
 Picture and press 5 or 6 to 
select Ke ystone.4. Press Menu to leave and save the 
settings. 
						

							Operation 24
1. Picture menu
FUNCTIONDESCRIPTION
Preset Mode
Preset modes are provided so you can optimize your projector image 
set-up to suit your program type.
PC Signal Input
1.Presentation Mode: Is designed for presentations. The brightness 
is emphasized in this mode.
2.Vivid Mode: Is perfect for playing games. The color saturation and 
brightness are well-balanced.
3.Video Mode: Is suitable for cinematic enjoyment displaying 
images in their natural color.
4.Economic Mode: Use this mode to reduce system noise and reduce 
power consumption by 20%. The lamp life is also extended with 
lower light output. 
YPbPr/ S-Video/ Video Signal Input
1.Gaming Mode: Is suitable for playing video games in a bright 
living room.
2.Video Mode: With a higher color temperature, it is suitable for 
enjoying TV movies. 
3.Cinema Mode: With a lower color temperature, it is suitable for 
enjoying cinematic movies.
4.Economic Mode: Use this mode to reduce system noise and reduce 
power consumption by 20%. The lamp life is also extended with 
lower light output.
KeystoneCorrects any keystoning of the image. Refer to page 19 for more 
information.
Brightness
Adjusts the brightness of 
the image. The higher the 
value, the brighter the 
image. And lower the 
setting, darker the image. 
Adjust this control so the 
black areas of the image appear just as black and that detail in the dark 
areas is visible. 
Contrast
Adjusts the degree of 
difference between dark 
and light in the image. The 
higher the value, the 
greater the contrast.   
Color Increases or decreases the color intensity of the image.
This function is not available when a PC input is selected.
Tint
Adjusts the color tones of the image. The higher the value, the more 
reddish the image becomes. The lower the value, the more greenish the 
image becomes.
This function is not available when a PC input is selected.
50-30+70
-30
50+70 
						

							Operation 25
2. Pro-Picture menu
FUNCTIONDESCRIPTION
Auto ResizeMakes the best fit of the image to the screen.
1. On 2. Off 
Aspect RatioThere are two aspect ratio settings.
1. 4 : 3 (Standard)     2. 16 : 9 (Wide screen)
H Position
Adjusts the horizontal 
position of the projected 
image. 
This function is 
available only when a 
PC input selected.
V Position
Adjusts the vertical position 
of the projected image. 
This function is 
available only when a 
PC input is selected.
Phase
This function allows you to adjust the clock 
phase to reduce image distortion.
This function is available only when a PC 
input is selected. 
H SizeAdjusts the horizontal width of the image. 
This function is available only when a PC input is selected.
SharpnessAdjusts the image to make it look sharper or softer.
This function is not available when a PC input is selected.
-30+30
-30+30 
						

							Operation 26
3. Setting menu 
FUNCTIONDESCRIPTION
Mute
Vo l u m e
Adjusts the volume level.
OSD TimeSets the length of time the OSD will remain active after your last button 
press. The range is from 5 to 60 seconds.
ResetReturns all settings to the factory preset values.
Color Temp
Adjusts the color temperature*. To make images appearing bluish white, 
press 4 to raise the color temperature. On the contrary, to make images 
appearing reddish white, press 3 to lower the color temperature. 
*About color temperatures:
There are many different shades that are considered to be “white” for 
various purposes. One of the common methods of representing white 
color is known as the “color temperature”. A white color with a low color 
temperature appears to be reddish white. A white color with a high color 
temperature appears to have more blue in it.
Password
This is a selectable function. Selecting   limits use of the projector to 
only those who know the correct password. When the function is activated 
for the first time, you have to set a password for it. For more information, 
refer to page 17. Once the password is set and this function is selected, the 
projector is password-protected. Users who do not know the correct 
password can not use the projector.
WARNING: You will be inconvenienced if you activate the password 
functionality and subsequently forget the password.
Write the password you used in this manual, and keep the manual in a 
safe place for later recall.
The password can be entered by using either the buttons on the projector 
or the remote control.
Change 
PasswordYou will be asked to enter the current password before changing to a new 
one. For more information, refer to page 17.
OffOn