VeriFone DUET Vx810, Справочное руководство

Страница: 154 / 162

G
LOSSARY
154
V X 810 R
EFERENCE
G
UIDE
Default
A value, parameter, option, or attribute that
is assigned by the program or system when another
has not been assigned by the user.
Delete
To remove a record, field, or item of data.
Diagnostics
Techniques employed for detection
and isolation of malfunctions and errors in programs,
systems, and devices. In a diagnostic test, a
program or routine is run to detect failures or
potential failures. These tests and routines help
detect and isolate problems in a device or peripheral.
Direct download
The process of transferring files
and data from a download computer to a device over
a serial cable connection and in a local, as opposed
to a remote, system environment.
Display
The backlit LCD screen on the
V
x
810 that shows numerals, letters, and punctuation
symbols in selected fonts, graphics in various
formats, information entered from the keypad, as
well as system prompts and messages.
Download
To transfer files or data from a host
computer or sending device over a communication
link to a receiving device.
File authentication
A process through which one
proves and verifies the origin of a file, the identity of
the sender, and the integrity of the information it
contains.
Firmware
System software, including the operating
system, boot loader, default display font, and system
messages, stored in device flash memory.
Flash memory
An area of non-volatile memory
where files can be stored. The V
x
810 also has a
RAM-based file system. Files can be stored in RAM
(drive
I:
) or in flash (drive
F:
) memory area of any
file group (Groups 1–15).
Host computer
Also called a download computer.
The primary or controlling computer in a multiple
computer operation. Also, a computer—usually a PC
running Windows XP, Windows 2000, Windows NT
or Windows 95 or 98—used to prepare programs for
download to POS terminals. Host computers are
also used to process transactions that originate from
a distributed network of POS terminals.
Input
The process of entering data into a
processing system or a peripheral device such as a
PIN pad terminal, or the data that is entered.
Interface
A common boundary between two
systems, devices, or programs. Also, to interact with
a device.
Keyed file editor
A keyed file editor lets you
create new records or modify existing records stored
in a keyed file such as CONFIG.SYS.
Keyed file record
ASCII data, or variables, stored
in the device’s CONFIG.SYS files. A keyed file
record consist of two parts: a search key that
identifies the record, and the data or variable stored
in the record.
Keypad
A small keyboard or section of a keyboard
containing a smaller number of keys, generally those
used in simple calculators. The 16-key core keypad
of the V
x
810 is used to enter data and perform
operations.
Manual transaction
A transaction involving the
manual entry of account information from the device
keypad instead of automatic entry of the information
from a reading device, such as a magnetic stripe
card reader.
Memory
A device or medium that can retain
information for subsequent retrieval. The term is
most frequently used to refer to the internal storage
of a computer (or any electronic device) that can be
directly addressed by operating instructions. In the
V
x
810, files can be stored in battery-backed RAM or
in non-volatile flash memory.
Messages
Words and symbols appearing on the
display screen which inform the user of the result of
a process, or if an error has occurred. The term
“prompt” is used when the displayed message is
requesting the user to enter information or to select
an option.
Modem
Modulator/demodulator . A device that
converts a digital bit stream into an analog signal to
transmit over an analog communication channel
(modulation), and converts incoming analog signals
into digital signals (demodulation). The V
x
810
modem dongle allows communication with a host
computer over a dial-up telephone line.