Operating Instructions

1.4 About this document
Symbols, expressions, and styles
The following
symbols, expressions, and styles are used
in this document.
Item How it is expressed
Text displayed on
the product’s
display
Text is displayed in a special
font, usually enclosed in
quotation marks.
Example: “IP Config”
Buttons with
printing on them
Button printing is displayed,
usually wrapped in thick
brackets.
Example: M
N
Procedures Usually written in an
abbreviated
style. The verb may
be omitted.
Example: Enter the room
number ® M N.
(Meaning: Enter the room
number and then press the
M
N button.)
Terms and illustrations
R Model number suffixes (e.g., the "BX" in
"VL-VN1900BX") are omitted unless necessary.
R Design and specifications are subject to change
without notice.
R Illustrations
may vary slightly from the actual product.
Trademarks
R The software of this product is based in part on the
work of the Independent JPEG Group.
R Microsoft and Windows are either registered
trademarks
or
trademarks of Microsoft Corporation in
the United States and/or other countries.
R MIFARE is a registered trademark of NXP B.V. and
is used under license.
R All other trademarks identified herein are the property
of their respective owners.
7
1. Introduction