PREFACE
Conventions and Acronyms
VX 680 R
EFERENCE GUIDE 9
Acronym Definitions
Various acronyms are used in place of the full definition. Table 2 presents
acronyms and their definitions.
The pencil icon is used to
highlight important information.
RS-232-type devices do not work
with the PINpad port.
The caution symbol indicates
possible hardware or software
failure, or loss of data.
The terminal 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 terminal near water.
Table 1 Document Conventions
Convention Meaning Example
Table 2 Acronym Definitions
Acronym Definitions
AC Alternating Current
A-GPS Assisted Global Positioning System
BT Bluetooth
CDMA Code Division Multiple Access
DUN Dial-Up Network
ECR Electronic Cash Registers
EMV Europay MasterCard and VISA
GPRS General Packet Radio Service
GPS Global Positioning System
GSM Global System for Mobile Communication
HSPA High Speed Packet Access
ITP Internal Thermal Printer
LCD Liquid Crystal Display
LED Light Emitting Diode
MRA Merchandise Return Authorization
MSAM Micromodule-Size Security Access Module
PAN Personal Area Network
PED PIN Entry Device
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