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4-2
Chapter 4: Programming
The
keyboard
supports
the
following
minimum
standard
PC
keyboard
capabilities:
•
System
Reset
(Control
‐
Alt
‐
Delete)
The
keyboard
has
additional
capabilities
unique
to
the
POS
environment.
The
keyboard
firmware
supports
the
following
POS
functions:
•
Programmable
keyboard
matrix
•
Configurable
key
click
tone
FPGA Firmware Defaults
During
USB
initialization
all
USB
devices
are
required
to
enumerate.
Each
device
reports
its
data
and
ID
to
the
host
where
the
Host
USB
driver
sends
the
report
to
the
corresponding
USB
Device
Driver.
Power
Up
and
Reset
POS
Default
Conditions:
•
Default
keyboard
matrix
configuration
•
Calculator
style
numeric
keypad
configuration
•
Num
Lock
On.
Unique POS Capabilities
The
keyboard
firmware
supports
the
following
POS
‐
specific
extensions
to
the
standard
PC
firmware:
•
Programmable
Key
Matrix
•
Configurable
Keyclick
Tone
•
NCR
Platform
Software
Components