Using
the
USB
PLU
keyboard/display
This
section
describes
the
features
of
the
USB
PLU
keyboard/display.
Status
indicators
The
status
indicators
show
the
operating
status
of
the
POS
terminal
(see
the
arrow
in
Figure
120.
The
available
indicators
are
shown
in
Table
10.
Table
10.
USB
PLU
keyboard/display
status-indicators
meanings
Indicator
Meaning
Ready
Initial
Program
Loading
(IPL)
has
completed
and
the
POS
terminal
is
operational.
Wait
A
process
wait
condition
by
the
POS
terminal,
such
as
program
load
wait
condition,
exists.
In
this
situation,
the
POS
terminal
continues
the
processing
after
the
wait
condition
is
cleared.
The
keyboard
is
locked
and
you
can
only
enter
system
function
requests
using
the
system
function
keys.
Offline
The
POS
terminal
is
operating
offline.
In
this
state,
the
operator
can
display
offline
messages
by
using
the
system
function
keys.
These
messages
indicate
the
offline
state
of
the
POS
terminal.
System
Message
A
system
message
sent
from
the
system
unit
is
pending
display.
Press
a
system
function
key
to
display
the
message.
Adjusting
the
PLU-keyboard
tone
You
can
adjust
the
keyboard
beeper
to
high
or
low
using
the
DIP
switches
that
are
located
at
the
bottom
left
of
the
PLU
keyboard.
This
feature
is
useful
when
setting
a
tone
unique
to
your
keyboard
so
that
you
can
identify
it
from
other
keyboards.
Figure
120.
Location
of
USB
PLU
keyboard/display
indicators
Updated
October
31,
2007
Chapter
6.
Operating
POS
I/O
devices
113
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