HP L2105tm User Guide

							6  Connection instructions 
 CAUTION: Before installation, please make sure to power off the display and the computer. 
 
 
(Figure 3) 
 
○
1 Power cord  Connect one end of the power cord into the AC power connector on 
the rear of the display, and the other end to an electrical wall outlet. 
○2 VGA cable  Connect the signal cable: 
-  For analog operation use the VGA cable. Connect the VGA 
signal cable to the VGA connector on the rear of the PC. 
-  For digital operation use the DVI-D cable. Connect the DVI-D 
signal cable to the DVI connector on the rear of the monitor and 
the other end to the DVI connector on the rear of the PC. 
○3 Audio cable  Connector one end of the audio cable to the audio-in connector on 
the rear of the display, and the other end of the cable to the audio-out 
jack on the PC. 
○4 USB cable  Connect one end of the USB cable to the USB connector on the 
display, and the other end of the USB cable to the PC. 
 
 Warning: 
1.  Please verify the video card you are using and use an appropriate signal cable. 
2.  Pay attention to the PIN assignments and connection directions. Do not force to avoid bending 
the pins. 
 
 VGA (D-sub 15 pin) 
 
						

							7 
Using the display 
 
Turning on the display 
Turn on the display before turning on the computer. When the power is on, the LED on the power 
button lights blue and the screen image will appear after about 10 seconds. If the LED doesnt light 
blue or no image appears, please verify if the display is properly connected. 
 
 
 
(Figure 4) 
 
Function controls 
 
1 MENU OSD function 
menu OSD off: Displays the OSD function menu 
OSD on: Confirm the OSD function option 
2 < Left/decrease 
button OSD off: Press this button directly to serve as the 
shortcut for input 
OSD on: Press this button to select/decrease the 
adjustment 
3 > Right/increase 
button OSD on: Press this button to select/increase the 
adjustment 
4 AUTO Auto adjustment 
button OSD off: Perform the auto adjustment function 
OSD on: Exit the OSD function menu 
5 POWER  Power Switch Power ON/OFF 
Blue LED - Power ON mode 
Orange LED - Power saving mode 
 
 
 
 
 
						

							8  Installing the Touch Driver (for Windows XP only) 
Insert the CD-ROM into the Computer CD-ROM drive. The CD menu is displayed (or open 
Windows Explorer and run the Touch_Driver_Setup.exe from the CD).   
 
 
Step 1: Click “Install Touch Driver for Microsoft Windows XP” from the CD menu 
NOTE: The monitor ships only with Windows XP touch drivers.   Touch drivers are not required 
for systems running Microsoft Windows 7 and Vista operating systems. 
 
Step 2: Click “Install” 
On Welcome installation window, click Install. 
 
 
 
After clicking Install, the setup wizard shows the installation process. 
  
 
 
 
						

							9 
Step 3: Click “Finish” 
The driver setup installation is complete. 
 
 
 
Step 4: Click “Yes” 
After clicking Finish, the setup wizard will prompt you to reboot the computer. 
 
 
 
 
Once the system is restarted, the installation is complete. 
 
 
						

							10 
 
Control of the Touch Function 
Note:  1.  Before using the touch function, make sure the USB cable is connected, the 
touch applications from the CD-ROM are installed if you are running Windows 
XP and the Windows operating system is started. 
2.  When the touch function is active, make sure there is no foreign object in the 
areas encircled in the figure below. 
 
 
 
(Figure 5) Make sure there is no foreign object in the encircled areas. 
 
The touch function may replace the mouse after you start the Windows operating system and 
introduce appropriate gesture judgement. Gesture judgement and related Windows software 
applications are listed below: 
 
Finger Operation Windows 7 Windows 
Vista 
Windows XP 
Tablet Windows XP 
Drag Y Y Y Y 
Click Y Y Y Y 
Double-click Y Y Y Y 
Single-touch 
digitizer
 Y Y Y N 
Multi-touch 
gestures
 Y N N N 
 
Use your finger or the provided stylus for touch applications. 
 
Note: 
 
•  Keep the display away from any heat sources such as electric radiators, natural gas pipes or 
direct sunlight. 
Also keep the display away from excessive dust, mechanical vibration or shock. 
•  Retain the original carton & packaging materials. They will be convenient for you, if you need to 
transport your display again. 
•  For best protection, pack the display in the original manner of package from the factory. 
•  To maintain a brand new appearance of the display, clean with soft cloth regularly. Please 
remove stubborn stains with soft cleaner rather than strong cleaners such as diluting agent, 
benzene or corrosive cleaner as they may damage the display. For the sake of safety, remove 
the power plug prior to cleaning. 
•  The touch function may need about 7 seconds to resume if the USB cable is re-plugged or the 
computer resumes from sleep mode (suspend mode). 
 
 
 
						

							11 
OSD selection 
 
Press the Menu button to activate the OSD function menu and continue pressing the Menu button to 
select an option from the 7 functions in the menu. Select the function you want to adjust on the OSD 
function menu and then press MENU to make adjustment. Please use  to adjust the screen to 
your desired status. After finishing the setting, press AUTO to exit the OSD screen. 
 
OSD Menu 
 
 
 Brightness/Contrast 
Brightness: Press < or > (○
2
 and ○3
 in Figure 4) to adjust the 
brightness. 
Contrast: Press < or > (○
2
 and ○3
 in Figure 4) to adjust the 
contrast. 
 
 
 IMAGE CONTROL 
Auto Adjustment: Automatically selects the optimal settings 
for image parameters. 
H.POSITION: Controls the picture’s horizontal position. 
V.POSITION: Controls the picture’s vertical position. 
CLOCK: Sets up the internal clock. Larger values make the 
displayed image appear wider; smaller values make it appear 
compressed. 
PHASE: Adjusts the internal clock’s time lag in order to 
optimize the screen image. 
SHARPNESS: Controls image sharpness. 
 COLOR 
This menu lets you select a preset color temperature (9300K, 
6500K or sRGB) by pressing the OSD buttons < or >. Changes 
to the color temperature take immediate effect on screen. If you 
wish to set individual color values, select the Custom Color 
option.  
Then press the MENU button to select the red, green and blue 
settings and set the desired value using the OSD buttons < or 
>.  
The current settings are automatically saved when you return to
the previous level or exit the OSD menu. 
 
 
						

							12 
 
 
 OSD CONTROL 
H.OSD POSITION: Controls the OSD menu’s horizontal position.
V.OSD POSITION: Controls the OSD menu’s vertical position. 
OSD TIMEOUT: Determines how long (in seconds) the OSD 
menu waits before closing automatically after no action has been 
performed. 
 OTHER 
LANGUAGE: OSD menu language selection: 
ENGLISH,DEUTSCH,FRANCAIS,ESPANOL,ITALIANO,POLSKI,
NEDERLANDS,PYCCKO. 
INPUT: Selects Analog (D-sub) or Digital (DVI-D) input. 
SPEAKER VOLUME: Adjusts the monitor loudspeaker output 
volume. 
INFORMATION: There is an optional OSD window (on/off) that 
displays the newly adjusted screen resolution settings. 
 
 Note: Do not adjust the screen setting when animation is displayed; make sure to adjust the 
setting in full screen mode. 
 
 
						

							13 
Troubleshooting 
 
 
Problems Possible solutions 
Power LED doesnt light up. 
•  Check if the power switch is in the ON position 
•  Make sure the power cord is properly connected 
No screen image 
•  Check if the power switch is in the ON position 
•  Make sure the power cord is properly connected 
•  Make sure the signal cable is securely connected 
•  When the display is in use, it will automatically turn off to enter 
the power saving mode. Please press any key to see if the 
image resumes. 
Abnormal colors are present 
•  Please refer to the Color Temperature section to adjust the 
RGB color or select a color temperature. 
The image bounces or a wave 
pattern is present •  Remove any electrical device that may be causing electrical 
interference. 
•  Check the signal cable and make sure the pins are not bent. 
The screen image is not 
centered or the size is incorrect •  Press the Auto button to automatically optimize the display 
status. 
•  Refer to the Image Control section. 
 
 
 Note: Never disassemble or repair the product yourself. If your problem cannot be solved 
according to the troubleshooting guidelines, please contact your local dealer. 
 
 
 
						

							
14 
Production Specifications 
 
LCD panel size 54.61 cm(21.5in ) 
DCR 3000:1 (typical) 
Viewing angle Horizontal 170°, vertical 160° (typical) 
Response time  5 ms (typical) 
Brightness 265 cd/m2 (typical) 
Input signal  Analog signal (D-sub); digital signal (DVI) 
Display color 16.7 M colors 
Frequency  24 ~ 83 kHz Horizontal, 50 ~ 76 Hz Vertical 
Optimum graphic 
resolution 
1920 x 1080(60Hz) 
Max Pixel clock  180 MHZ 
Tilt -5° ~ 20° 
Audio output  1W X 2 
Power supply AC: 100-240V ~ 50-60Hz; 
Power consumption  Display mode: Max 48W; LED color: Blue 
Sleeping mode: Less than 1W, LED color: Orange 
Size Width: 513 mm, Height: 393 mm, Depth: 228 mm 
Width: 20.2 in, Height: 15.5 in, Depth: 9 in 
Weight  6.4 kg/14.1 lb (net) 
Environmental conditions Operating temperature/humidity: 
5 ~ 35°C, relative humidity: 10-85% 
Storage temperature/humidity: 
5 ~ 35°C, relative humidity: 10-85% 
 
 
 
						

							15 
Preset Modes 
 
Preset Pixel Horz 
Freq 
(kHz) Horz 
Polarity Vert 
Freq 
(Hz) Vert 
Polarity Pixel Clk 
(MHz) Source 
1   640 x 480   31.469   -  59.940  -  25.175   VGA  
2   720 x 400   31.469   -  70.087  +   28.322   VGA  
3   800 x 600   37.879   +   60.317  +   40.000   VESA  
4   1024 x 768   48.363   -  60.004  -  65.000   VESA  
5   1280 x 720   45.00   +   60.00  +   74.25   VESA/CEA-861D 
6   1280 x 960   60.00   ±   60.00  ±   108.000   VESA  
7   1280 x 1024  63.98   +   60.02  +   108.000   VESA  
8   1440 x 900   55.94   -  59.89  +   106.500   CVT 1.30MA  
9   1600 x 1200  75.00   +   60.00  +   162.000   VESA  
10   1680 x 1050  65.29   -  60.0   +   146.25   CVT 1.76MA  
11   1920 x 1080  67.5   +   60.00  +   148.5   VESA/CEA-861D