PREFACE
Guide Conventions
VX 805 R
EFERENCE GUIDE 9
Guide
Conventions
Various conventions are used to help you quickly identify special formatting.
Table 1 describes these conventions and provides examples of their use.
Acronym Definitions
Various acronyms are used in place of the full definition. Table 2 presents
acronyms and their definitions.
Table 1 Document Conventions
Convention Meaning Example
Blue Text in blue indicates terms that
are cross referenced.
See Guide Conventions.
Italics Italic typeface indicates book
titles or emphasis.
You must not use this unit
underwater.
The pencil icon is used to
highlight important information.
RS-232-type devices do not work
with the PIN pad port.
The caution symbol indicates
possible hardware or software
failure, or loss of data.
The device is not waterproof or
dustproof, and is intended for
indoor use only.
The lightning symbol is used as
a warning when bodily injury
might occur.
Due to risk of shock do not use the
device near water.
Table 2 Acronym Definitions
Acronym Definitions
3DES Triple Data Encryption Standard
AES Advanced Encryption Standard Algorithm
DUKPT Derived Unique Key Per Transaction Method as defined in the
VISA’s POS Equipment Requirement: PIN processing and Data
Authentication, International Version 1.0, August 1988
ECR Electronic Cash Register
EMV Joint Europay, MasterCard and Visa Standard
LCD Liquid Crystal Display
MSAM Multiple Secure Access Module
OS Operating System
PIN Personal Identification Number
POS Point-of-Sale
SAM Secure Access Module
SC Smart Card (Integrated Chip Card)
SD Secure Digital
SR Ship Release
UI User Interface
USB Universal Serial Bus
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