Securitytronix ST-HDLED21.5 User manual

22-inch LCD Display Unit
User Manual
ST-HDLED21.5
www.securitytronix.com

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The updates will be added into the new version of this manual.
For further assistance please contact technical support at 1-800-688-9282, press 3 then 2.
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Regulatory Information
2002/96/EC (WEEE directive): Products marked with this
symbol cannot be disposed of as unsorted municipal waste in the
European Union. For proper recycling, return this product to
your local supplier upon the purchase of equivalent new
equipment, or dispose of it at designated collection points. For
more information see: www.recyclethis.info.
2006/66/EC (battery directive): This product contains a battery
that cannot be disposed of as unsorted municipal waste in the
European Union. See the product documentation for specific
battery information. The battery is marked with this symbol, which may
include lettering to indicate cadmium (Cd), lead (Pb), or mercury (Hg). For
proper recycling, return the battery to your supplier or to a designated
collection point. For more information see: www.recyclethis.info.

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Chapter1. Introduction
1.1 Key Features
Supports 1920×1080 resolution
User-friendly operation menu
Three image modes to adapt to different environments
1 channel HDMI 1.3 input interface
Supports software spread-spectrum technology to reduce EMI radiation
Standby Power Consumption is lower than 0.4W.
Viewing Angle:Horizontal 170°, Vertical 160º.
1.2 Power Supply Connection
Insert the 3-pin power plug into a properly grounded socket and turn the rocker switch on.
Figure 1.1 Power Input
Power input specification from 100VAC to 240VAC or provide automatic switching between
high line and low line input ranges.
Turn off the main power switch of the display unit, and pull the plug from the power outlet if
the display unit will not be used for a long time.
Never connect the device to a DC power.

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Chapter2. Device Interfaces
Figure 2.1 Rear Panel of Device
Interfaces
Description
POWER IN
Power Input
HDMI IN
HDMI Digital Signal Input
VGA IN
VGA Analog Signal Input

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Chapter3. Panel Keys
Keys on lower right corner of the display unit panel are shown in the Figure 3.1
Figure 3.1 Keys on the Display Unit
The functions of the keys on lower right corner of the display unit vary according to different
situations.

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Chapter4. Basic Operation
4.1 Input Source Selection
Turn on the display unit when the power supply is on
and input source is confirmed.
Press ◄key of the remote controller to enter the menu
as shown on the right. 22 inch LCD display unit
includes 2 input sources as HDMI and VGA signal.
Press direction keys to select the input source and
press MENU to accomplish the input source selection.
Figure 4.1 Input Source
4.2 Input Brightness Adjustment
Turn on the display unit when the power supply is on
and input source is confirmed.
Press ►key of the remote controller to enter the menu
as shown on the right.press ◄ or ► to adjust the value
of Brightness. press MENU to accomplish the
Brightness adjustment.
Figure 4.2 Brightness
4.3 Auto Adjust
Turn on the display unit when the power supply is on
and input source is confirmed.
Press AUTO key of the remote controller to enter the
menu as shown on the right(In VGA Signal).
Figure 4.3 Input Source

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4.4 Main Menu
4.4.1 Image Settings
Purpose:
You can adjust the picture parameters by switching image modes and adjust the values of contrast,
brightness, color temperature,auto adjust,color adjust.
Steps:
1. Press Menu key to enter the main menu interface as shown below.
2. Press MENU key to enter the setting you want.
3. Press ◄ or ► to adjust the value. It applies for adjusting contrast, brightness, color temp and other
parameters.
Contrast, Brightness: Press ◄ or ► to set the contrast, the range varies from 0-100.
Color temperature :Press ◄ or ► to set the color temperature you need.
Gray indicates that under current mode or current input source condition it is not adjustable; Yellow
indicates that it is adjustable.
4.Press AUTO key to return to the main menu after accomplishing the adjustment.
Figure 4.4.1 Image Settings

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4.4.2 Image Adjustment
Purpose:
When the input source is selected VGA, you can adjust the VGA parameters. It is for adjusting
VGA H position, V Position, clock and phase.
Steps:
1. Press Menu key to enter the main menu interface.
2. Press ◄ key to enter the VGA parameter setting interface. (You can select Auto Adjust and press ◄
or ► to adjust the VGA parameters automatically or adjust it manually)
3. Select H Position and press ◄ or ► to adjust the H Position
4. Select V Position and press ◄ or ► to adjust the V position.
5. Select Clock and press ◄ or ► to adjust the clock.
6. Select Phase and press ◄ or ► to adjust the phase.
The range of the adjustment varies between 0-100.
7. Press Menu key to return to the main menu after accomplishing the adjustment.
Figure 4.4.2 Image Adjustment

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4.4.3 OSD Setting
Purpose:
You can set the language, blending and OSD duration of the menu.
Steps:
1. Press MENU key to enter the main menu interface.
2. Press ◄ key twice and press MENU key to enter the【Language】interface, press ◄ or ► to switch
the language you want.
3. Select OSD H.Pos/OSD V.Pos to adjust the position of OSD with ◄ or ►.
4. Select OSD Timer to adjust the OSD duration with ◄ or ►: 5Sec~60Sec.
5. Select Transparency to adjust the OSD transparency value with ◄ or ►.
6. Press AUTO key to return to the main menu after accomplishing the adjustment.
Figure 4.4.3 OSD Setting

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4.4.4 Other Settings
Purpose:
You can set Mode,Audio Volume,Signal Source,Aspect Ratio,DCR.
Steps:
1. Press MENU key to enter the main menu interface.
2. Press triple◄key and press MENU key to enter the Mode interface, press ◄or ►to switch the mode
between PC/GAME/MOVIE.
3. Press ◄ or ► to adjust the Audio Volume from0~100 （Optional）.
4. Press ◄ or ► to change the Signal Source between VGA and HDMI.
5. Press ◄ or ► to switch the Aspect Ratio between 16:9/AUTO/4:3.
6. Press ◄ or ► to switch the DCR On/Off.
7. Press Menu key to return to the main menu after accomplishing the adjustment.
Figure4.4.4 Other Settings

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4.4.5 Reset Setting
Purpose:
You can reset settings to the factory defaults.
Steps:
1.Press MENU key to enter the main menu interface.
2.Press ◄key 4 times and press MENU key to reset settings to the factory defaults.
Figure 4.4.5 Reset Setting

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Appendix: Specifications
Device Model
ST-HDLED21.5
Display Type
TFT-LED Backlight
Screen Size
21.5"
Dot Pitch
0.248×0.248 mm
Max Resolution
1920×1080
Best Operation Resolution
1920×1080@60Hz
Brightness
250cd/m²
Contrast
1000:1
Response Time
5ms
Color
16.7M
Viewable Area
477×268mm
Viewing Angle
Horizontal 170°, Vertical 160º
Interfaces
VGA Input Port
1
HDMI Input Port
1
AC Input Port
1
Power Supply
AC 100-240V; 50/60Hz
Consumption
≤30W
Standby Power
Consumption
≤0.4W
Operation Temperature
0°C~40°C (32°F~104°F)
Operation Humidity
10%~85%
Storage Temperature:
-20°C~55°C (-4°F~131°F)
Storage Humidity:
5%~95%
Bezel Material
Plastic
Bezel Color
Black
Wall-mounting Dot Site
100×100mm
Wall-mounting Thread
M4
Device Dimensions
511×377×170mm
Package Dimensions
561×426×103mm
G.W.
4.5Kg
N.W.
3.3Kg
Standard Package
Display Unit
1
VGA Cord
1
User Manual
1
Power Cord
1

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Structure Figure
511mm

SECURITYTRONIX 1-Year Limited LED Display Warranty
Securitytronix. (the "Company") warrants to the Original Purchaser that the LED Display is free from
defects in workmanship or material under normal use. This warranty starts on the date of shipment of
the hardware to the Original Purchaser.
During the warranty period, the Company agrees to repair or replace, at its sole option, without charge
to Original Purchaser, any defective component in the LED Display. To obtain service, the Original
Purchaser must return the LED Display to the Company properly packaged for shipping. All defective
products must be returned to the Company within thirty (30) days of failure. Products must be returned
with a description of the failure and Return Merchandise Authorization (RMA) number supplied by the
Company. To receive a RMA number and a return shipping address on where to deliver the hardware,
call 610-429-1821. The shipping, and insurance charges incurred in shipping to the Company will be
paid by Original Purchaser, and all risk for the hardware shall remain with the Original Purchaser until
such time as Company takes receipt of the hardware. Upon receipt, the Company will promptly repair
or replace the defective unit, and then return said unit to Original Purchaser, shipping prepaid. The
Company may use reconditioned or like-new parts or units, at its sole option, when repairing any
hardware. Repaired products shall carry the same amount of outstanding warranty as from original
purchase. Any claim under the warranty must include dated proof of purchase or invoice. In any event,
the Company's liability for defective hardware is limited to repairing or replacing the hardware.
This warranty is contingent upon proper use of the hardware by Original Purchaser and does not cover:
if damage is due to Acts of God (including fire, flood, earthquake, storm, hurricane or other natural
disaster), accident, unusual physical, electrical, or electromechanical stress, modifications, neglect;
misuse, operation with media not approved by the Company, tampering with or altering of the
hardware, war, invasion, act of foreign enemies, hostilities (regardless of whether war is declared), civil
war, rebellion, revolution, insurrection, military or usurped power or confiscation, terrorist activities,
nationalization, government sanction, blockage, embargo, labor dispute, strike, lockout or interruption
or failure of electricity, air conditioning, or humidity control, internet, network, or telephone service
The warranties given herein, together with any implied warranties covering the hardware, including any
warranties of merchantability or fitness for a particular purpose, are limited in duration to two years
from the date of shipment to the Original Purchaser. Jurisdictions vary with regard to the enforceability
of warranty limitations, and you should check the laws of your local jurisdiction to find out whether the
above limitation applies to you.
The Company shall not be liable to your for loss of data, loss of profits, lost savings, special, incidental,
consequential, indirect, or other similar damages arising from breach of warranty, breach of contract,
negligence, or other legal action even if the Company or its agent has been advised of the possibility of
such damages, or for any claim brought against your by another party. Jurisdictions vary with regard to
the enforceability of provisions excluding or limiting liability for incidental or consequential damages.
You should check the laws of your local jurisdiction to find out whether the above exclusion applies to
you.
This warranty allocates risks of product failure between Original Purchaser and the Company. The
Company's hardware pricing reflects this allocation of risk and the limitations of liability contained in
this warranty. The warranty set forth above is in lieu of all other express warranties, whether oral or
written. The agents, employees, distributors, and dealers of the Company are not authorized to make
modification to this warranty, or additional warranties binding on the Company. Accordingly,
additional statements such as dealer advertising or presentations, whether oral or written, do not
constitute warranties by the Company and should not be relied upon.
This warranty gives you specific legal rights. You may also have other rights which vary from one
jurisdiction to another.