BenQ Mp623 Dlp Users Manual

							Connection 21
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 a Component Video to VGA (D-Sub) adaptor cable and connect the end with 3 
RCA type connectors to the Component Video output sockets of the Video source 
device. Match the color of the plugs to the color of the sockets; green to green, blue to 
blue, and red to red.
2. Connect the other end of the Component Video to VGA (D-Sub) adaptor cable (with 
a D-Sub type connector) to the D-SUB/COMP. IN socket on the projector.
3. If you wish to make use of the projector (mixed mono) speaker in your presentations, 
take a suitable audio cable and connect one end of the cable to the audio output socket 
of the device, and the other end to the AUDIO socket of the projector. 
Once connected, the audio can be controlled by the projector On-Screen Display 
(OSD) menus. See Adjusting the sound on page 39 for details.
The final connection path should be like that shown in the following diagram:
• The projector is only capable of playing mixed mono audio, even if a stereo audio input is 
connected. See Connecting audio on page 19 for details.
• 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 device is turned on and operating 
correctly. Also check that the signal cables have been connected correctly.
AV  d e v i c eComponent Video to VGA 
(D-Sub) adaptor cable Audio 
cable
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							Connection 22
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 S-Video cable and connect one end to the S-Video output socket of the Video 
source device.
2. Connect the other end of the S-Video cable to the S-VIDEO socket on the projector.
3. If you wish to make use of the projector (mixed mono) speaker in your presentations, 
take a suitable audio cable and connect one end of the cable to the audio output socket 
of the device, and the other end to the AUDIO socket of the projector. 
Once connected, the audio can be controlled by the projector On-Screen Display 
(OSD) menus. See Adjusting the sound on page 39 for details.
The final connection path should be like that shown in the following diagram:
• The projector is only capable of playing mixed mono audio, even if a stereo audio input is 
connected. See Connecting audio on page 19 for details.
• 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 device is turned on and operating 
correctly. Also check that the signal cables have been connected correctly.
• If you have already made a Component Video connection between the projector and this S-Video 
source device using Component Video connections, you need not connect to this device using an 
S-Video connection as this makes an unnecessary second connection of poorer picture quality. 
See Connecting Video source devices on page 19 for details.
AV deviceS-Video cableAudio cable
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							Connection 23
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 a composite Video source device:
1. Take a Video cable and connect one end to the composite Video output socket of the 
Video source device.
2. Connect the other end of the Video cable to the VIDEO socket on the projector.
3. If you wish to make use of the projector (mixed mono) speaker in your presentations, 
take a suitable audio cable and connect one end of the cable to the audio output socket 
of the device, and the other end to the AUDIO socket of the projector. 
Once connected, the audio can be controlled by the projector On-Screen Display 
(OSD) menus. See Adjusting the sound on page 39 for details.
The final connection path should be like that shown in the following diagram:
• The projector is only capable of playing mixed mono audio, even if a stereo audio input is 
connected. See Connecting audio on page 19 for details.
• 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 device is turned on and operating 
correctly. Also check that the signal cables have been connected correctly.
• You need only connect to this device using a composite Video connection if Component Video 
and S-Video inputs are unavailable for use. See Connecting Video source devices on page 19 
for details.
AV deviceAudio cable
Video cable 
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							Operation 24
Operation
Starting up the projector
1. Plug the power cord into the projector and into a 
wall socket. Turn on the wall socket switch 
(where fitted). Check that the POWER indicator 
light on the projector lights orange after power 
has been applied.
2. Slide the lens cap open. If it is closed, it could 
become deformed due to the heat produced by 
the projection lamp.
3. Press Power on the projector or remote 
control to start the projector. As soon as the 
lamp lights up, a Power On Tone will be 
heard. The POWER indicator light flashes 
green and stays green when the projector is on.
The start up procedure takes about 30 seconds. 
In the later stage of start up, a startup logo is 
projected.
(If necessary) Rotate the focus ring to adjust 
the image clearness.
To turn of the ring tone, see Turning off the Power on/off ring tone on page 39 for 
details.
If the projector is still hot from previous activity, it will run the cooling fan for approximately 90 seconds 
before energizing the lamp. 
4. If you are prompted for a password, press the arrow keys to enter a six digit password. 
See Utilizing the password function on page 26 for details.
5. Switch all of the connected equipment on.
6. The projector will start to search for input signals. The current input signal being 
scanned displays in the upper left corner of the screen. If the projector doesnt detect a 
valid signal, the message No Signal will continue displaying until an input signal is 
found.
Yo u  c a n  a l s o  p r e s s  Source on the projector or remote control to select your desired 
input signal. See Switching input signal on page 28 for details.
If the frequency/resolution of the input signal exceeds the projectors operating range, you will see the 
message Out of Range displayed on a blank screen. Please change to an input signal which is 
compatible with the projectors resolution or set the input signal to a lower setting. See Timing chart 
on page 58 for details.
II
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							Operation 25
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.
To use the OSD menus, please set them to your familiar language first.
1. Press Menu/Exit on the projector or 
remote control to turn the OSD menu on.3. Press  to highlight Language 
and press  /  to select a 
preferred language.
2. Use  /  to highlight the SYSTEM 
SETUP: Basic menu.4. Press Menu/Exit twice* on the 
projector or remote control to 
leave and save the settings.
*The first press leads you back to 
the main menu and the second 
press closes the OSD menu.
Current input signal
Main menu icon
Main menu
Sub-menu
Highlight
Press Menu/
Exit to the 
previous 
page or to 
exit.Status
DISPLAYWall Color
Aspect Ratio
Keystone
Position
Phase
H. Size
Digital ZoomOff
Auto
16
0
ENTER
MENU Exit
Analog RGB
DISPLAYWall Color
Aspect Ratio
Position
Phase
H. Size
Digital ZoomOff
Auto
MENU Exit
Keystone
16
0
Analog RGBSYSTEM SETUP: BasicPresentation Timer
English Language
Projector Position
Auto Power Off
Blank Timer
Sleep Timer Panel Key Lock
Splash Screen
Analog RGB
MENU Exit
Front Table
Disable
Disable
Off
Disable
BenQ
SYSTEM SETUP: BasicPresentation Timer
English Language
Projector Position
Auto Power Off
Blank Timer
Sleep Timer Panel Key Lock
Splash Screen
Analog RGB
MENU Exit
Front Table
Disable
Disable
Off
Disable
BenQ
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							Operation 26
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 
Display (OSD) menu. For details of the OSD menu operation, please refer to Using the 
menus on page 25.
You will be inconvenienced if you activate the power-on lock functionality and subsequently forget the 
password. Print out this manual (if necessary) and write the password you used in this manual, and 
keep the manual in a safe place for later recall.
Setting a password
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 OSD menu and go to the SYSTEM SETUP: Advanced > Security Settings 
menu. Press Mode/Enter. The Security Settings page displays.
2. Highlight Power on lock and select On by pressing  / .
3. As pictured to the right, the four arrow keys ( , 
,  ,  ) respectively represent 4 digits (1, 2, 
3, 4). According to the password you desire to set, 
press the arrow keys to enter six digits for the 
password.
4. Confirm the new password by re-entering the 
new password.
Once the password is set, the OSD menu returns 
to the Security Settings page.
The digits being input will display as asterisks on-screen. Write your selected password down here in 
this manual in advance or right after the password is entered so that it is available to you should you 
ever forget it.
Password: __ __ __ __ __ __
Keep this manual in a safe place.
5. To leave the OSD menu, press Menu/Exit.
If you forget the password
If the password function is activated, you will be asked 
to enter the six-digit password every time you turn on 
the projector. If you enter the wrong password, the 
password error message as pictured to the right displays 
lasting for three seconds, and the message INPUT 
PASSWORD follows. You can retry by entering another 
six-digit password, 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. See Entering the password recall procedure on page 27 for details.
If you enter an incorrect password 5 times in succession, the projector will automatically 
shut down in a short time.
INPUT NEW PASSWORD
Back MENU
Password Error
Please try again.
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							Operation 27
Entering the password recall procedure
1. Press and hold AUTO on the projector or remote 
control for 3 seconds. The projector will display a 
coded number on the screen.
2. Write down the number and turn off your 
projector.
3. 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.
Changing the password
1. Open the OSD menu and go to the SYSTEM SETUP: Advanced > Security Settings > 
Change password menu.
2. Press Mode/Enter. The message INPUT CURRENT PASSWORD displays.
3. Enter the old password.
• If the password is correct, another message INPUT NEW PASSWORD displays. 
• If the password is incorrect, the password error message displays lasting for three 
seconds, and the message INPUT CURRENT PASSWORD displays for your retr y. 
Yo u  c a n  p r e s s  Menu/Exit to cancel the change or try another password.
4. Enter a new password.
The digits being input will display as asterisks on-screen. Write your selected password down here in 
this manual in advance or right after the password is entered so that it is available to you should you 
ever forget it.
Password: __ __ __ __ __ __
Keep this manual in a safe place.
5. Confirm the new password by re-entering the new password.
6. You have successfully assigned a new password to 
the projector. Remember to enter the new 
password next time the projector is started.
7. To leave the OSD menu, press Menu/Exit.
Disabling the password function
To disable password protection, go back to the SYSTEM SETUP: Advanced > Security 
Settings > Power on lock menu after opening the OSD menu system. Select Off by pressing 
/. The message INPUT PASSWORD displays. Enter the current password. 
•If the password is correct, the OSD menu returns to the Security Settings page with 
Off shown in the row of Power on lock. You will not have to enter the password 
next time you turn on the projector.
• If the password is incorrect, the password error message displays lasting for three 
seconds, and the message INPUT PASSWORD displays for your retry. You can 
press Menu/Exit to cancel the change or try another password.
Though the password function is disabled, you need to keep the old password in hand should you 
ever need to re-activate the password function by entering the old password.
Please write down the recall code, 
and contact BenQ 
Customer Center.
Recall code:
0 2 1 2
RECALL PASSWORD
Exit MENU
Password Changed
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							Operation 28
Switching input signal
The projector can be connected to multiple devices at the same time. However, it can only 
display one full screen at a time.
Be sure the Quick Auto Search function in the SOURCE menu is On (which is the default of 
this projector) if you want the projector to automatically search for the signals.
You can also manually cycle through the available 
input signals.
1. Press Source on the projector or remote 
control. A source selection bar displays. 
2. Press  /  until your desired signal is 
selected and press Mode/Enter.
Once detected, the selected source information 
will display on the screen for seconds. If there 
is multiple equipment connected to the 
projector, repeat steps 1-2 to search for another 
signal.
• The brightness level of the projected image will 
change accordingly when you switch between 
different input signals. Data (graphic) PC 
presentations using mostly static images are 
generally brighter than Video using mostly moving 
images (movies).
• The input signal type effects the options available for the Picture Mode. See Selecting a picture 
mode on page 32 for details.
• The native display resolution of this projector is in a 4:3 aspect ratio. For best display picture 
results, you should select and use an input signal which outputs at this resolution. Any other 
resolutions will be scaled by the projector depending upon the aspect ratio setting, which may 
cause some image distortion or loss of picture clarity. See Selecting the aspect ratio on page 31 
for details.
Changing color space
In the unlikely event that you connect the projector to a DVD player via the projector’s 
HDMI input and the projected picture displays wrong colors, please change the color space.
To  d o  t h i s :
1. Press Menu/Exit and then press  /  until the SOURCE menu is highlighted.
2. Press   to highlight Color Space Conversion and press  /  to select a suitable color 
space. The selectable settings vary according to the detected input signal timing.
This function is only available when the HDMI input socket is in use.
D-Sub / Comp.
Video
S-Video HDMI
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							Operation 29
Adjusting the projected image
Adjusting the projection angle
The projector is equipped with 1 quick-release adjuster foot and 1 rear adjuster foot. These 
adjusters change the image height and projection angle. To adjust the projector:
1. Press the quick-release button and lift the 
front of the projector. Once the image is 
positioned where you want it, release the 
quick-release button to lock the foot in 
position.
2. Screw the rear adjuster foot to fine tune the 
horizontal angle.
To retract the foot, hold up the projector while 
pressing the quick-release button, then slowly lower the projector. Screw the rear adjuster 
foot in a reverse direction.
If the projector is not placed on a flat surface or the screen and the projector are not 
perpendicular to each other, the projected image becomes trapezoidal. To correct this 
situation, see Correcting keystone on page 30 for details.
• Do not look into the lens while the lamp is on. The strong light from the lamp may cause damage 
to your eyes.
• Be careful when you press the adjuster button as it is close to the exhaust vent where hot air 
comes from.
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 current source information will be displayed 
in the upper left corner of the screen for 3 seconds. 
• The screen will be blank while AUTO is functioning.
• This function is only available when PC signal (analog RGB) is selected.
Fine-tuning the image size and clarity
1
2
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. 
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							Operation 30
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 steps.
• Using the remote control
Press  /  on the projector or remote control to 
display the Keystone correction page. Press   to 
correct keystoning at the top of the image. Press 
 to correct keystoning at the bottom of the 
image.
• Using the OSD menu
1. Press Menu/Exit and then press  /  
until the 
DISPLAY menu is highlighted.
2. Press  to highlight Keystone and press 
Mode/Enter. The Keystone correction page 
displays.
3.  Press   to correct keystoning at the top of 
the image or press   to correct keystoning 
at the bottom of the image.
Magnifying and searching for details
If you need to find the details on the projected picture, magnify the picture. Use the 
direction arrow keys for navigating the picture.
• Using the remote control
1. Press Digital Zoom +/- to display the Zoom 
bar.
2. Press Digital Zoom + to magnify the center of 
the picture. Press the key repeatedly until the 
picture size is suitable for your need.
3. Use the directional arrows ( ,  ,  ,  ) on 
the projector or remote control to navigate the 
picture.
4. To restore the picture to its original size, press 
AUTO. You can also press Digital Zoom -. When the key is pressed again, the picture is 
further reduced until it is restored to the original size.
• Using the OSD menu
1. Press Menu/Exit and then press  /  until the DISPLAY menu is highlighted.
2. Press
  to highlight Digital Zoom and press Mode/Enter. The Zoom bar displays.
3. Repeat steps 2-4 in the section of Using the remote control above. Or if you are using 
the projector control panel, continue to the following steps.
4. Press   on the projector repeatedly to magnify the picture to a desired size.
5. To navigate the picture, press Mode/Enter to switch to the paning mode and press the 
directional arrows ( ,  ,  ,  ) to navigate the picture.
Press/.Press /.
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