...
The
...
figure
...
above
...
shows
...
the
...
front
...
panel
...
of
...
the
...
FAC-2100
...
and
...
its
...
user
...
interface
...
components.
...
The
...
panel
...
contains
...
three
...
types
...
of
...
displays
...
(numeric,
...
alphanumeric
...
and
...
bargraph
...
displays)
...
and
...
six
...
membrane-switch
...
keys
...
.
...