Asus Ls221h User Guide

1-3ASUS LCD Monitor LS221 Series

1.3.2 Back view
6.  Power button / power indicator          
• Press this button to turn the monitor on/off
• The color definition of the power indicator is as the below table.
Rear connectors (from left to right)
1. VGA port. This 15-pin port is for PC VGA connection.     
2. HDMI port (LS221H only). For High-Definition Multimedia Interface (HDMI) 
signal connection.
3. DC-IN port. This port connects the power connector from the bundled power 
adapter....

1-4Chapter 1: Product introduction
 

2-1ASUS LCD Monitor LS221 Series
2.2 Connecting the cables
2.3 Turning the monitor on
Gently press the power button  . See page 1-2 for the location of the power 
buton. The power indicator  lights up in blue to show that the monitor is ON.
2.1 Unfolding the monitor
The monitor is folded in the package. To unfold the monitor, hold the back cover 
and press the Button with one hand, and carefully tilt the monitor forwa\
rd with the 
other hand until the Button rebounds with a click.
Connect the cables as...

2-2Chapter 2: Setup
2.4 Adjusting the monitor
• For optimal viewing, we recommend that you look at the full face of the 
monitor, then adjust the monitor to the angle that is most comfortable for you.
• Hold the stand to prevent the monitor from falling when you change its angle.
• You can adjust the monitor’s angle from -3º to 20º.
It is normal that the monitor slightly shakes while you adjust the the v\
iewing angle. 
 -3º~20º
2.5  Installing the monitor to a VESA wall  
 mount adapter
The foldable...

3-1ASUS LCD Monitor LS221 Series
3.1 OSD (On-Screen Display) menu 
3.1.1  How to reconfigure
1. Press the MENU button to activate the 
OSD menu. 
2. Press  and  to navigate through 
the functions. Highlight and activate the 
desired function by pressing the MENU 
button. If the selected function has a 
sub-menu, press  and  again to 
navigate through the sub-menu functions. 
Highlight and activate the desired sub-
menu function by pressing the MENU button.  
3. Press  and  to change the settings of the...

3-2Chapter 3: General Instruction  

2. Image 
You can adjust brightness, contrast, 
sharpness, saturation, position (VGA 
only), ASCR, and focus (VGA only) from 
this main function. 
• Brightness: the adjusting range is 
from 0 to 100.   is a hotkey to 
activate this function.
• Contrast: the adjusting range is from 
0 to 100.
• Sharpness: the adjusting range is from 0 to 100.
• Saturation: the adjusting range is from 0 to 100. 
• Position: adjusts the horizontal postition (H-Position) and the vertical...

3-3ASUS LCD Monitor LS221 Series

4. Input Select 
In this function, you can select either VGA 
or HDMI input source. (Only for some 
models)
HDMI
5. System Setup 
Allow you to adjust the system.
• Light-in-motion: turns on/off this 
special function. 
• Aspect Control: adjusts the aspect 
ratio to “Full” or “4:3”.
• OSD Setup: 
 * Adjusts the horizontal postition  
  (H-Position)/ the vertical position (V-Position) of the OSD from 0 to 100. 
 * Adjusts the OSD timeout from 10 to 120. 
 * Enables or...

3-4Chapter 3: General Instruction  

3.2 Specifications summary 
Product SeriesLS221H
DisplayPanel Size22.0" Wide Screen
Color Saturation(NTSC)72%
True ResolutionWSXGA+  1680x1050
Pixel Pitch0.282mm
Brightness (Max.)300cd/m2
Contrast Ratio (Max.)1000:1
ASUS Smart C. R.(ASCR)4000:1
Viewing Angle (CR>10)170°(H) / 160°(V)
Display Colors16.7M
Response Time2ms (Gray to Gray)
LCD ZBD WarrantyYes
Protection GlassYes (Anti-reflection (

3-5ASUS LCD Monitor LS221 Series

*Specifications are subject to change without notice.
Mechanical DesignChassis ColorsBlack
Tilt+20° ~ -3°
VESA Wall Mounting100 x 100mm
SecurityKensington lockYes
DimensionPhys. Dimension (WxHxD)531 x 436 x 248mm
Box Dimension (WxHxD)589 x 535 x 210mm
WeightNet Weight (Esti.)   7 kg
Gross Weight (Esti.)   10.1kg
AccessoriesHDMI-DVI cable, VGA cable, Power cord, CD user guide, Warranty card, Quick start guide, Cleaning cloth
Regulation ApprovalsEnergy Star®, UL/cUL, CB,...

3-6Chapter 3: General Instruction  

3.3 Troubleshooting (FAQ)
ProblemPossible Solution
Power  LED is not ON•  Press the  button to check if the monitor      is in the ON mode. •  Check if the power cord is properly     connected to the monitor and the power    outlet. 
The power LED lights amber and there is no screen image •  Check if the monitor and the computer are    in the ON mode. •  Make sure the signal cable is properly      connected the monitor and the computer. •  Inspect the signal cable...