Accessibility
Accessibility
features
help
a
user
who
has
a
physical
disability,
such
as
restricted
mobility
or
limited
vision,
to
use
the
4800
SurePOS
terminals
successfully.
The
following
is
a
high-level
list
of
the
accessibility
features:
v
All
controls
are
located
on
the
front
of
the
machine,
in
easy
reach.
v
Industry-standard
serial
and
USB
ports
allow
alternative
I/O
devices.
v
Manuals
are
available
in
format
and
can
be
downloaded
from
the
Web.
See
“Related
publications”
on
page
ix
for
the
URL.
v
To
assist
users
with
color-vision
deficiencies,
the
power
LED
blinks
as
well
as
changes
color
when
in
low-power
mode.
v
Displays
are
driven
at
60
Hz
to
eliminate
problems
caused
by
screen
flicker.
©
Copyright
IBM
Corp.
1999,
2003
xvii
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