BenQ G2420hdbl User Manual

							  21   How to adjust your monitor
Display menu
1. Press the MENU key to display the main 
menu.
2. Press the 
W or X keys to select DISPLAY 
and then press the ENTER key to enter the 
menu.
3. Press the 
W or X keys to move the 
highlight to a menu item and then press 
the ENTER key to select that item.
4. Press the 
W or X keys to make 
adjustments or selections.
5. To return to the previous menu, press the 
MENU key.
ItemFunctionOperationRange
Auto 
AdjustmentOptimizes and adjusts the 
screen settings 
automatically for you. The 
AU TO
 key is a ‘hot-key’ 
for this function. 
When you connect a 
digital video output 
using a digital (DVI) 
cable to your monitor, 
the AUTO key and the 
Auto Adjustment 
function will be disabled. 
Press the ENTER key to 
select this option and make 
adjustment.
 
						

							22  How to adjust your monitor  
H. Position Adjusts the horizontal 
position of the screen 
image. 
Press the 
W or X keys to 
adjust the value.0 to 100
V. Position Adjusts the vertical 
position of the screen 
image.0 to 100
Pixel Clock Adjusts the pixel clock 
frequency timing to 
synchronize with the 
analog input video signal. 
Not applicable to a digital 
input signal.
See also: 
Picture 
optimization on page 16
.0 to 100
Phase Adjusts the pixel clock 
phase timing to 
synchronize with the 
analog input video signal. 
Not applicable to a digital 
input signal. 
See also: 
Picture 
optimization on page 16
.0 to 63
 
						

							  23   How to adjust your monitor
Picture menu
1. Press the MENU key to display the main 
menu.
2. Press the 
W or X keys to select PICTURE 
and then press the ENTER key to enter the 
menu.
3. Press the 
W or X keys to move the 
highlight to a menu item and then press 
the ENTER key to select that item.
4. Press the 
W or X keys to make 
adjustments or selections.
5. To return to the previous menu, press the 
MENU key.
ItemFunctionOperationRange
Brightness Adjusts the balance 
between light and dark 
shades.
The function is not 
available for use when 
DynamicContrast is 
on.
Press the X key to 
increase the brightness 
and press the 
W key to 
decrease the brightness.0 to 100
Contrast Adjusts the degree of 
difference between 
darkness and lightness. 
The function is not 
available for use when 
DynamicContrast is 
on.
Press the X key to 
increase the contrast and 
press the 
W key to 
decrease the contrast.0 to 100
Sharpness Adjusts the clarity and 
visibility of the edges of 
the subjects in the image.Press the 
X key to 
improve the crispness of 
the display and press the 
W key to have softness 
effect on the display.1 to 5
Color - Press ENTER to enter the Color menu.
 
						

							24  How to adjust your monitor  
NormalAllows video and still 
photographs to be viewed 
with natural coloring. 
This is the factory default 
color. 
Press the 
W or X keys to 
select this option.
Bluish Applies a cool tint to the 
image and is factory 
pre-set to the PC industry 
standard white color.
Reddish Applies a warm tint to the 
image and is factory 
pre-set to the news print 
standard white color.
User Mode Tailors the image color  tint. The blend of the Red, 
Green and Blue primary 
colors can be altered to 
change the color tint of 
the image. Decreasing one 
or more of the colors will 
reduce their respective 
influence on the color tint 
of the image. e.g. if you 
reduce the Blue level the 
image will gradually take 
on a yellowish tint. If you 
reduce Green, the image 
will become a magenta 
tint. Press the 
W or X keys 
and the  ENTER key to 
select  Red, Green , or Blue . 
Then use the 
W or X 
keys to make the color 
adjustments. • Red 
(0 to 100)
• Green (0 to 100)
• Blue (0 to 100)
Reset Color Resets the  User Mode 
custom color settings to 
the factory defaults.  Press the 
W or X keys to 
change the settings.  • YES
• NO
Press MENU  to leave the Color menu.
Dynamic Contrast
(available when 
the  Picture Mode  
is set to  Movie, 
Game, or Photo) The function is to 
automatically detect the 
distribution of an input 
visual signal, and then to 
create the optimal 
contrast.  Press the 
ENTER key to 
select this option. Press 
the 
W or X keys to 
change the settings. 0 to 5
 
						

							  25
  How to adjust your monitor
Picture Advanced menu
1. Press the MENU key to display the main 
menu.
2. Press the 
W or X keys to select  PICTURE 
ADVANCED  and then press the  ENTER 
key to enter the menu.
3. Press the 
W or X keys to move the 
highlight to a menu item and then press 
the  ENTER  key to select that item.
4. Press the 
W or X keys to make 
adjustments or selections.
5. To return to the previous menu, press the  MENU  key.
ItemFunctionOperationRange
Picture Mode Selects a picture mode that 
best suits the type of 
images shown on the 
screen. 
• Standard - for basic PC 
application.
• Movie - for viewing  videos.
•  Game - for playing video 
games. 
• Photo - for viewing still  images.
• sRGB - for better color  matching representation 
with the peripheral 
devices, such as printers, 
DSCs, etc.
• Eco - for saving  electricity with low 
power consumption by 
providing minimum 
brightness for all 
running programs. Press the 
W or X keys to 
change the settings. • Standard
• Movie
• Game
• Photo
• sRGB
• Eco
 
						

							26  How to adjust your monitor  
Senseye Demo 
(available 
when the 
Picture Mode 
is set to  Movie, 
Game, or 
Photo) Displays the preview of 
screen images under the 
selected mode from 
Picture Mode
. The screen 
will be divided into two 
windows; the left window 
demonstrates images of 
Standard mode, while the 
right window presents the 
images under the specified 
mode. Press the W or X keys to 
change the settings.  • ON
• OFF
Display Mode This feature is provided to  allow aspect ratio’s other 
than 16:9 to be displayed 
without geometric 
distortion.
• Full - Scales the input image to fill the screen. 
Ideal for 16:9 aspect 
images.
•  Aspect - The input image 
is displayed without geo-
metric distortion filling 
as much of the display as 
possible. 
Aspect  is not available 
when the video content 
is in a 16:9 aspect ratio.
Press the W or X keys to 
change the settings.  • Full
• Aspect
 
						

							  27   How to adjust your monitor
System menu
1. Press the MENU key to display the main 
menu.
2. Press the 
W or X keys to select SYSTEM 
and then press the ENTER key to enter the 
menu.
3. Press the 
W or X keys to move the 
highlight to a menu item and then press 
the ENTER key to select that item.
4. Press the 
W or X keys to make 
adjustments or selections.
5. To return to the previous menu, press the 
MENU key.
ItemFunctionOperationRange
Input Use this to change the 
input to that appropriate 
to your video cable 
connection type.Press the 
W or X keys to 
change the settings.• DVI
• D-sub
OSD Settings - Press ENTER to enter the OSD Settings menu.
Language Sets the OSD menu 
language.Press the 
W or X keys to 
change the settings.
The language options 
displayed on your OSD 
may differ from those 
shown on the right, 
depending on the product 
supplied in your region.
• English
• French
• German
• Italian
• Spanish
• Polish
• Czech
• Hungarian
• Serbo-Croatian
• Romanian
• Dutch
• Russian
• Swedish
• Portuguese
• Japanese
• Traditional 
Chinese
• Simplified 
Chinese
 
						

							28  How to adjust your monitor  
*DDC/CI, short for Display Data Channel/Command Interface, which was developed by Video Electronics 
Standards Association (VESA). DDC/CI capability allows monitor controls to be sent via the software for 
remote diagnostics.
H. Position Adjusts the horizontal 
position of the OSD menu. 
Press the 
W or X keys to 
change the settings. 0 to 100
V. Position Adjusts the vertical 
position of the OSD menu.0 to 100
Display Time Adjusts the display time of 
the OSD menu.• 5 Sec.
• 10 Sec.
• 15 Sec.
• 20 Sec.
• 25 Sec.
• 30 Sec.
OSD Lock Prevents all the monitor 
settings from being 
accidentally changed. 
When this function is 
activated, the OSD 
controls and hotkey 
operations will be 
disabled.Press the 
W or X keys to 
change the settings. 
To unlock the OSD 
controls when the OSD is 
preset to be locked, press 
and hold the ’MENU key 
for 15 seconds to enter 
the OSD Lock option and 
make changes. 
Alternatively, you may 
use the W or X keys to 
select ’NO’ in the OSD 
Lock submenu from the 
’OSD Settings’ menu, and 
all OSD controls will be 
accessible.
• YES
• NO
Press MENU to leave the OSD Settings menu.
DDC/CI* Allows the monitor 
settings to be set through 
the software on the PC.Press the ENTER key to 
select this option. Press the 
W or X keys to change the 
settings.• ON
• OFF
Information Displays the current 
monitor property settings.Press the ENTER key to 
select this option.
Reset All Resets all mode, color and 
geometry settings to the 
factory default values.Press the 
W or X keys to 
change the settings. • YES
• NO
 
						

							  29   Troubleshooting
7. Troubleshooting
Frequently asked questions (FAQ)
The image is blurred:
Read the instructions on the link Adjusting the Screen Resolution on the CD, and then select 
the correct resolution, refresh rate and make adjustments based on these instructions.
How do you use a VGA extension cable?
Remove the extension cable for the test. Is the image now in focus? If not, optimize the image by 
working through the instructions in the 
Adjusting the refresh rate section on the link 

Adjusting the Screen Resolution. It is normal for blurring to occur due to conduction losses 
in extension cables. You can minimize these losses by using an extension cable with better 
conduction quality or with a built-in booster.
Does the blurring only occur at resolutions lower than the native (maximum) resolution?
Read the instructions on the link Adjusting the Screen Resolution on the CD. Select the 
native resolution.
Pixel errors can be seen:
One of several pixels is permanently black, one or more pixels are permanently white, one or 
more pixels are permanently red, green, blue or another color.
•Clean the LCD screen.
•Cycle power on-off.
•These are pixels that are permanently on or off and is a natural defect that occurs in LCD 
technology.
The image has a faulty coloration:
It has a yellow, blue or pink appearance.
Select MENU > PICTURE > Color > Reset Color, and then choose “YES” in the “Caution” 
message box to reset the color settings to the factory defaults. 
If the image is still not correct and the OSD also has faulty coloration, this means one of the three 
primary colors is missing in the signal input. Now check the signal cable connectors. If any pin is 
bent or broken off, please contact your dealer to get necessary support.
No image can be seen:
Is the prompt on the display illuminated in green?
If the LED is illuminated in green and there is a message “Out of Range” on the screen, this means 
you are using a display mode that this monitor does not support, please change the setting to one 
of the supported mode. Please read the “
Preset display modes” section from the link 

Adjusting the Screen Resolution. 
Faint shadow from the static image displayed is visible on the screen:
•Activate the power management function to let your computer and monitor go into a low 
power sleep mode when not actively in use.
•Use a screensaver to prevent the occurrence of image retention.
 
						

							30 Troubleshooting  
Is the prompt on the display illuminated in orange?
If the LED is illuminated in orange, the power management mode is active. Press any button on 
the computer keyboard or move the mouse. If that does not help, check the signal cable 
connectors. If any pin is bent or broken off, please contact your dealer to get necessary support.
Is the prompt on the display not illuminated at all?
Check the power input jack, the external power adapter and the mains power switch.
The image is distorted, flashes or flickers:
Read the instructions on the link Adjusting the Screen Resolution on the CD, and then select 
the correct resolution, refresh rate and make adjustments based on these instructions.
You are running the monitor at its native resolution, but the image is still distorted.
Images from different input sources may appear distorted or stretched on the monitor running at 
its native resolution. To have the optimal display performance of each type of input sources, you 
can use the Display Mode function to set a proper aspect ratio for the input sources. See 
Display 
Mode on page 25 
for details.
The image is displaced in one direction:
Read the instructions on the link  Adjusting the Screen Resolution on the CD, and then 
select the correct resolution, refresh rate and make adjustments based on these instructions.
The OSD controls are inaccessible:
•To unlock the OSD controls when the OSD is preset to be locked, press and hold the “MENU” 
key for 15 seconds to enter the “OSD Lock” option and make changes. 
•Alternatively, you may use the 
W or X keys to select “NO” in the “OSD Lock” submenu from 
the “OSD Settings” menu (under SYSTEM), and all OSD controls will be accessible.
Need more help?
If your problems remain after checking this manual, please contact your place of purchase or 
e-mail us at: [email protected]