2
Getting
A
cquainted
with
the
4285A
Front
P
anel
Description
Figure
2-1
shows
the
front
panel
of
the
4285A.
A
description
of
the
front
panel
is
given
in
the
following
paragraphs
.
Figure
2-1.
Front
P
anel
Overview
LCD
P
anel
and
Softkey
T
o
simplify
the
front
panel
by
reducing
the
front
panel
keys
for
each
of
the
many
instrument
functions
,
the
4285A
employes
LCD
(Liquid
Crystal
Display)-displayed
\menus"
for
operator
input.
These
menus
list
the
possible
choices
for
a
particular
function,
with
each
choice
corresponding
to
one
of
the
ve
softkeys
located
to
the
right
of
the
LCD
screen.
In
this
guide
the
two
types
of
keys
are
dierentiated
in
this
way:
4
HARDKEY
5
Keys
on
the
front
panel
NNNNNNNNNNNNNNNNNNNNNNN
SOFTKEY
Keys
located
to
the
right
of
the
LCD
bezel
Getting
Acquainted
with
the
4285A
2-1
