BenQ Gl2023a User Manual

  31   How to adjust your monitor
Color 
FormatDetermines the color space 
(RGB or YUV) based on the 
following detected video 
signal:
• D-Sub (VGA) from PC: The 
default Color Format is 
RGB.
• D-Sub (Component) from a 
video device: The default 
Color Format is YUV.
You might need to manually set 
the Color Format if colors 
shown on the monitor screen 
do not display properly.
• DVI (for models with DVI 
inputs): Color Format is 
automatically set to RGB.Press the 
ENTER key to 
select this option....

32  How to adjust your monitor  
System menu
Available menu options may vary depending on the input sources, functions and settings. Menu 
options that are not available will become grayed out.
1.  Press the 
MENU key to display the main 
menu.
2.  Press the   or   keys to select 
SYSTEM and then press the ENTER 
key to enter the menu.
3.  Press the   or   keys to move the 
highlight to a menu item and then 
press the 
ENTER key to select that 
item.
4.  Press the   or   keys to make 
adjustments or...

  33   How to adjust your monitor
Language Sets the OSD menu language.
Press the   or   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
• Japanese
• Czech
• Traditional 
Chinese
• Hungarian
• Simplified 
Chinese
• Serbo-Croatian
• Romanian
• Dutch
• Russian
• Swedish
• Portuguese
H. Position Adjusts the horizontal 
position of...

34  How to adjust your monitor  
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   or   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  or  keys to select 
NO in the OSD Lock 
submenu from the 
OSD...

  35   Troubleshooting
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...

36 Troubleshooting  
Need more help?
If your problems remain after checking this manual, please contact your place of purchase or 
e-mail us at: [email protected].
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.
Is the prompt on the display illuminated in orange?
If the LED is illuminated...