block light in response to electrical signals applied by the display electronics. The result is a
very sharp, bright display that is very thin, and uses little power, compared with a CRT, or tube-
type monitor.
Lux-
The standard unit for illuminance is lux (lx) which is lumens per square meter (lm/m2).
1 lux=10.764 footcandle. Common room lighting is 100-1000 lux.
MSR-
Acronym for Magnetic Stripe Reader. A device that reads information encoded in the
magnetic stripes on the back of a credit card, etc. The process is essentially identical to the
operation of a cassette tape player.
Native resolution-
The resolution of a digital flat panel display that actually describes how
many pixels are in each row and column of the display, and which is the resolution that the
display is optimized for. Your 15” Preh MCI Touch Monitor has a native resolution of 1024 x
768, which means that the LCD panel has 1024 pixels on each row, and has 768 rows. Each
element of video information received from the computer/display electronics is assigned to and
displayed by a specific location on the display panel-a pixel. At resolutions other than native
(see emulation) there is not a one-to-one correspondence between the video information
elements and the available pixels on the display. The display electronics must compensate for
this and cannot do a perfect conversion, thus emulation modes never look as good as images
displayed at the native resolution.
Nit-
The standard unit of luminance is the candela per square meter (cd/m2), or Nit.
Pixel-Abbreviation
for “picture element.” In an electronic display, the smallest complete
element of the picture that contains all possible colors and proper brightness. In your Preh MCI
Touch Monitor, one pixel of the LCD panel is a square “window,” with an area of about 0.3 x
0.3mm, containing three smaller windows that pass red, green or blue light at the appropriate
brightness in response to the video signal from the computer.
Polarizer-
A thin glass or plastic sheet that filters out light rays of all but a specific orientation.
Light passing through such a sheet is thus polarized.
POS-
Acronym for Point Of Sale.
Serial-
A data transmission method where each bit (a “1” or “0”) of data is passed sequentially
(or serially) over a single data path (a wire…). The most common standard for this method
is called RS232. This is a very common method of interfacing peripheral equipment to older
computers. Today this method is increasingly replaced by another method called USB (see
below).
USB-
Acronym for Universal Serial Bus. A common method for interfacing peripheral equipment
to computers. It has the advantages over other serial data transmission standards of higher
speeds and the ability to connect many devices to the same port on a computer.
VESA-
Acronym for Video Electronics Standards Association. An industry trade group that
promotes interoperability standards within the video and computer industry. The VESA mounting
pattern (75mm) for displays is used by your Preh MCI Touch Monitor on the base and chassis,
allowing the monitor to be quickly attached to standard swing arms and mounting plates.
Preh-Keytec Product Warranty
Preh-Keytec warrants that the Products will conform to the Specifications and be free from
defects in material and workmanship for three (3) years from date of shipment. 3 years warranty
applies only for US, customers. For Europe and other countries, please contact marketing@
preh-keytec.de for more information. Customer shall contact Preh-Keytec immediately upon
discovery of any defects within the warranty period. Products must be returned to Preh-Keytec
within thirty (30) days of Preh-Keytec’s receipt of warranty claim notice and only after receiving
Preh-Keytec’s authorization to return products in accordance with Preh-Keytec’s Product
Return Policy. In the case Customer needs fast turnaround for product replacement, Preh-
Keytec will issue advance replacements with 24 hours (US Only) after an Preh-Keytec Return
Material Authorization (RMA) number has been issued for Product to be returned. Warranty
repairs shall be warranted for the remainder of the original warranty period for the Product.
This warranty is void if the Products have been repaired, altered or modified in any manner by
persons other than Preh-Keytec, without Preh-Keytec’s prior written approval. This warranty
excludes prototypes and conditions in Products resulting from normal wear and tear. Defects
caused in whole or in part by failure to properly store, install, operate or maintain Products in
accordance with good industry practices and Preh-Keytec’s recommendations are excluded from
warranty coverage. Damage caused by use of the Product other than that which it is intended
is excluded from warranty coverage. Repair or replacement is Customer’s exclusive remedy
under this warranty, except if such remedy is adjudicated inadequate, Preh-Keytec shall refund
the paid price of the Products. Preh-Keytec will pay to return the Products to Customer. The
turnaround time on repairs will usually be thirty (30) working days or less. Preh-Keytec accepts
no added liability for additional days required for repair. This warranty shall not be enlarged or
modified, and no obligation or liability of Preh-Keytec shall be created, by Preh-Keytec offering
technical advice, assistance, or services relating to the Products. Before returning Products to
Preh-Keytec on warranty claim, Customer shall remove from the Products any hardware, data,
software or programs or keep backups. Preh-Keytec disclaims any liability for loss of such data
in returned Products. PREH-KEYTEC MAKES NO OTHER WARRANTY OF ANY KIND WITH
RESPECT TO THE PRODUCTS, except as specified herein. ALL OTHER WARRANTIES,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
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