BenQ Mp623 Dlp Users Manual

							Operation 41
Menu operation
Menu system
Please note that the on-screen display (OSD) menus vary according to the signal type 
selected and the projector model you are using.
The menu items are available when the projector detects at least one valid signal. If there is 
no equipment connected to the projector or no signal detected, limited menu items are 
accessible.
Main menu Sub-menu Options
1. 
DISPLAY
Wall ColorOff/Light Yellow/Pink/Light 
Green/Blue/Blackboard
Aspect Ratio Auto/Real/4:3/16:9
Keystone
Position
Phase
H. Size
Digital Zoom
2. 
PICTURE
Picture ModePC source: Dynamic/Presentation/sRGB/Cinema/
User 1/User 2
Video source: Dynamic/Standard/Cinema/User 1/
User 2
Reference ModePC source: Dynamic/Presentation/sRGB/Cinema
Video source: Dynamic/Standard/Cinema
Brightness
Contrast
Color
Tint
Sharpness
Brilliant Color On/Off
Color 
TemperatureT1/T2/T3/T4
3D Color 
ManagementPrimary ColorR/G/B/Y/C/M
Hue
Saturation
Gain
Save Settings
3. SOURCEQuick Auto Search On/Off
Color Space Conversion RGB/YUV/Auto
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							Operation 42
4. 
SYSTEM 
SETUP: 
Basic
Presentation 
TimerTimer period1~240 minutes
Timer displayAlways/1 min/2 min/3 min/Never
Timer positionTop-Left/Bottom-Left/Top-Right/
Bottom-Right
Timer counting 
directionCount Down/Count Up
Sound reminder On/Off
On/Off
Language
Projector PositionFront Table/Rear Table/Rear 
Ceiling/Front Ceiling
Auto Power OffDisable/5 min/10 min/15 min/20 
min/25 min/30 min
Blank TimerDisable/5 min/10 min/15 min/20 
min/25 min/30 min
Panel Key Lock On/Off
Sleep TimerDisable/30 min/1 hr/2 hr/3 hr/4 
hr/8 hr/12 hr
Splash ScreenBlack/Blue/BenQ
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							Operation 43
5. 
SYSTEM 
SETUP: 
Advanced
Quick Cooling On/Off
High Altitude Mode On/Off
Audio SettingsMute On/Off
Volume
Power on/off ring 
toneOn/Off
Menu SettingsMenu display time5 sec/10 sec/15 sec/20 sec/25 
sec/30 sec
Menu positionCenter/Top-left/Top-right/Bottom-
right/Bottom-left
Standby D-Sub Output On/Off
Lamp SettingsLamp mode Normal/Economic
Reset lamp timer
Equivalent lamp hour
Security SettingsChange password
Power on lock On/Off
Baud Rate2400/4800/9600/14400/19200/
38400/57600/115200
Test Pattern On/Off
Closed CaptionClosed Caption 
EnableOn/Off
Caption VersionCC1/CC2/CC3/CC4
Reset All Settings
6. 
INFORMATI
ON
FAQ-Image and Installation
FAQ-Features and Service
Current System Status•Source
•Picture Mode
•Resolution
•Color System
•Equivalent Lamp Hour
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							Operation 44
Description of each menu
FUNCTION
(default setting/
value)DESCRIPTION (default setting/value)
Wall Color
 (Off)Corrects the projected picture’s color when the projection surface is 
not white. See Using Wall Color on page 33 for details.
Aspect Ratio
(Auto)There are four options to set the images aspect ratio depending on 
your input signal source. See Selecting the aspect ratio on page 31 for 
details.
Keystone
(0)Corrects any keystoning of the image. See Correcting keystone on 
page 30 for details.
Position
(0)Displays the position adjustment page. To move the projected image, 
use the directional arrow keys. The values shown on the lower position 
of the page change with every key press you made until they reach 
their maximum or minimum.
Phase
(depends on the 
selected input 
signal)Adjusts the clock phase to reduce image 
distortion.
H. Size
(0)Adjusts the horizontal width of the image.
Digital Zoom
(1.0X)Magnifies or reduces the projected image. See Magnifying and 
searching for details on page 30 for details.
Picture Mode
(PC source: 
Dynamic;
Video source: 
Standard)Pre-defined picture modes are provided so you can optimize your 
projector image set-up to suit your program type. See Selecting a 
picture mode on page 32 for details.
Reference 
Mode
(Dynamic)Selects a picture mode that most suits your need for the image quality 
and further fine-tune the image based on the selections listed on the 
same page below. See Setting the User 1/User 2 mode on page 33 for 
details.
Brightness
(50)Adjusts the brightness of the image. See Adjusting Brightness on 
page 33 for details.
Contrast
(0)Adjusts the degree of difference between dark and light in the image. 
See Adjusting Contrast on page 33 for details.
Color
(0)Adjusts the color saturation level -- the amount of each color in a 
video image. See Adjusting Color on page 34 for details.
1. DISPLAY menu
2. PICTURE menu
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							Operation 45
FUNCTION
(default setting/
value)DESCRIPTION (default setting/value)
Tint
(0)Adjusts the red and green color tones of the image. See Adjusting 
Tint on page 34 for details.The function is only available when Video or S-Video with NTSC 
system is selected.
Sharpness
(15)Adjusts the image to make it look sharper or softer. See Adjusting 
Sharpness on page 34 for details.
Brilliant Color
(On)Adjusts white peaking while maintaining correct color presentation. 
See Adjusting Brilliant Color on page 34 for details.
Color 
Temperature
(T1)There are four color temperature settings are available. See Selecting a 
Color Temperature on page 34 for details.
3D Color 
ManagementSee 3D Color Management on page 34 for details.
Save SettingsSaves the settings made for User 1 or User 2 mode.
Quick Auto 
Search
(On)See Switching input signal on page 28 for details.
Color Space 
Conversion
(depends on the 
selected input signal)See Changing color space on page 28 for details.
Presentation 
Timer
(Off)Reminds the presenter to finish the presentation within a certain time 
frame. See Setting the presentation timer on page 36 for details.
Language
(English)Sets the language for the On-Screen Display (OSD) menus. See Using 
the menus on page 25 for details.
Projector Position
(Front Table)The projector can be installed on a ceiling or behind a screen, or with 
one or more mirrors. See Choosing a location on page 13 for details.
Auto Power Off
(Disable)Allows the projector to turn off automatically if no input signal is 
detected after a set period of time. See Setting Auto Power Off  on 
page 50 for details.
Blank Timer
(Disable)Sets the image blank time when the Blank feature is activated, once 
elapsed the image will return to the screen. See Hiding the image on 
page 37 for details.
2. PICTURE menu
3. SOURCE 
menu4. SYSTEM SETUP: Basic menu
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Operation
46
FUNCTION
(default setting/
value)DESCRIPTION (default setting/value)
Panel Key 
Lock
( Off ) Disables or enables all panel key functions except 
Power on the 
projector and keys on the remote control. See  Locking control keys 
on page 38  for details.
Sleep Timer
(Disable ) Sets the auto-shutdown timer. The ti
mer can be set to a value between 
30 minutes and 12 hours.
Splash Screen
(BenQ logo) Allows you to select which logo screen will display during projector 
start-up. Three options are available: BenQ logo, Black screen, or Blue 
screen.
Quick Cooling
(
Off ) Selecting 
On enables the function and the projector cooling time will 
be shortened to a few seconds.If you attempt to restart the projector right after the quick cooling 
process, it may not be turned on successfully and will rerun its 
cooling fans.
High Altitude 
Mode
( Off ) A mode for operation in high altitude areas. See 
Operating in a high 
altitude environment on page 39  for details.
Audio Settings
Mute (Off)
Volume (5)
Power on/off ring tone (On)
See Adjusting the sound on page 39  for details.
Menu Settings
Menu display time (15 sec)
Sets the length of time the OSD will  remain active after your last key 
press. The range is from 5 to 30 seconds in 5-second increments.
Menu position (Center)
Sets the On-Screen Display (OSD) menu position.
Standby D-
Sub Output
( Off ) Selecting 
On enables the function. The projector can output a VGA 
signal when it is in standby mode and the  D-SUB IN and D-SUB OUT  
sockets are correctly connected to devices. See  Connecting a monitor 
on page 18  for how to make the connection.Enabling this function slightly increases the standby power 
consumption.
4. SYSTEM SETUP: 
Basic menuII
5. SYSTEM SETUP: Advanced menu
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							Operation 47
FUNCTION
(default setting/
value)DESCRIPTION (default setting/value)
Lamp Settings
Lamp mode (Normal)
See Setting Lamp mode as Economic on page 50 for details.
Reset lamp timer
See Resetting the lamp timer on page 54 for details.
Equivalent lamp hour
See Getting to know the lamp hour on page 50 for details on how 
the total lamp hour is calculated.
Security 
Settings
Change password
You will be asked to enter the current password before changing to a 
new one.
Power on lock (Off)
See Utilizing the password function on page 26 for details.
Baud Rate
(115200)Selects a baud rate that is identical with your computer’s so that you 
can connect the projector using a suitable RS-232 cable and update or 
download the projector’s firmware. This function is intended for 
qualified service personnel.
Test Pattern
(Off)Selecting On enables the function and the projector displays the grid 
test pattern. It helps you adjust the image size and focus and check that 
the projected image is free from distortion.
Closed 
Caption
Closed Caption Enable (Off)
Activates the function by selecting On when the selected input signal 
carries closed captions.
• Captions: An on-screen display of the dialogue, narration, and 
sound effects of TV programs and videos that are closed captioned 
(usually marked as CC in TV listings).
Set your screen aspect ratio to 4:3. This function is not available 
when the aspect ratio is “16:9” or “Real”.
Caption Version (CC1)
Selects a preferred closed captioning mode. To view captions, select 
CC1, CC2, CC3, or CC4 (CC1 displays captions in the primary 
language in your area).
Reset All 
SettingsReturns all settings to the factory preset values.
The following settings will still remain: Position, Phase, H. Size, User 
1, User 2, Color Space Conversion, Language, Projector Position, 
High Altitude Mode, Security Settings.
5. SYSTEM SETUP: Advanced menu
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							Operation 48
FUNCTION
(default setting/
value)DESCRIPTION (default setting/value)
FAQ-Image 
and 
Installation
Displays possible solutions to problems you may encounter.
FAQ-Features 
and Service
Current 
System Status
Source
Shows the current signal source.
Picture Mode
Shows the selected mode in the PICTURE menu.
Resolution
Shows the native resolution of the input signal.
Color System
Shows input system format, NTSC, PAL, SECAM, or RGB.
Equivalent Lamp Hour
Displays the number of hours the lamp has been used.
6. INFORMATION menu
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							Maintenance 49
Maintenance
Care of the projector
Your projector needs little maintenance. The only thing you need to do on a regular basis is 
to keep the lens clean.
Never remove any parts of the projector except the lamp. Contact your dealer if other parts 
need replacing.
Cleaning the lens
Clean the lens whenever you notice dirt or dust on the surface. 
• Use a canister of compressed air to remove dust. 
• If there is dirt or smears, use lens-cleaning paper or moisten a soft cloth with lens cleaner 
and gently wipe the lens surface.
Never rub the lens with abrasive materials.
Cleaning the projector case
Before you clean the case, turn the projector off using the proper shutdown procedure as 
described in Shutting down the projector on page 40 and unplug the power cord.
• To remove dirt or dust, wipe the case with a soft, lint-free cloth.
• To remove stubborn dirt or stains, moisten a soft cloth with water and a neutral pH 
detergent. Then wipe the case.
Never use wax, alcohol, benzene, thinner or other chemical detergents. These can damage the case.
Storing the projector
If you need to store the projector for an extended time, please follow the instructions below:
• Make sure the temperature and humidity of the storage area are within the 
recommended range for the projector. Please refer to Specifications on page 57 or 
consult your dealer about the range.
• Retract the adjuster feet.
• Remove the battery from the remote control.
• Pack the projector in its original packing or equivalent.
Transporting the projector
It is recommended that you ship the projector with its original packing or equivalent.
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							Maintenance 50
Lamp information
Getting to know the lamp hour
When the projector is in operation, the duration (in hours) of lamp usage is automatically 
calculated by the built-in timer. The method of calculating the equivalent lamp hour is as 
follows:
Total (equivalent) lamp hour
= 1 (hours used in Economic mode) + 4/3 (hours used in normal mode)
See Setting Lamp mode as Economic below for more information on Economic mode.
The lamp hour in Economic mode is calculated as 3/4 of that in Normal mode. That is, 
using the projector in Economic mode helps to extend the lamp hour by 1/3.
To obtain the lamp hour information:
1. Press Menu/Exit and then press  /  until the SYSTEM SETUP: Advanced menu is 
highlighted.
2. Press   to highlight Lamp Settings and press Mode/Enter. The Lamp Settings page 
displays.
3. You will see the Equivalent lamp hour information displaying on the menu.
4. To leave the menu, press Menu/Exit.
You can also get the lamp hour information on the INFORMATION menu.
Extending lamp life
The projection lamp is a consumable item that normally can last up to 3000-4000 hours 
with proper usage. To keep the lamp life as long as possible, you can do the following settings 
via the OSD menu.
Setting Lamp mode as Economic
Using Economic mode reduces system noise and power consumption by 20%. If the 
Economic mode is selected, the light output will be reduced and result in darker projected 
pictures.
Setting the projector in Economic mode also extends the lamp operation life. To set 
Economic mode, go into the SYSTEM SETUP: Advanced > Lamp Settings > Lamp mode 
menu and press  / .
Setting Auto Power Off
This function allows the projector to turn off automatically if no input source is detected 
after a set period of time to prevent unnecessary waste of lamp life.
To  s e t  Auto Power Off, go into the SYSTEM SETUP: Basic > Auto Power Off menu and 
press  / . The time period can be set from 5 to 30 minutes in 5-minute increments. If the 
preset time lengths are not suitable for your presentation, select Disable. The projector will 
not automatically shut down in a certain time period.
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