Agilent Technologies 4395A - Page 132

Front
P
anel
1.
Hardkeys
The
hardkeys
(physical
keys)
located
on
the
front
panel
are
divided into
6 blocks|-
labeled
\A
CTIVE
CHANNEL",
\MEASUREMENT",
\SWEEP",
\MARKER",
\INSTRUMENT ST
ATE",
and
\ENTRY",
respectively
.
Some
of
the
front panel
hardkeys control
instrument functions
directly
while
others
provide
access
to
softkey
menus.
A
CTIVE
CHANNEL
Block
The
A
CTIVE
CHANNEL
block
contains
two hardkeys:
4
Chan
1
5
and
4
Chan
2
5
.
By
pressing
either
of
these
two
keys
,
you
can
make the
channel 1
or 2
active .
All
measuring
conditions
you
specify
through
the front
panel, such
as sweep
settings,
are
assigned
to
the
currently
active
channel
. Once
you have
assigned your
desired settings
to
each
channel,
you
can
instantly
switch between
the two
dierent sets
of
measuring
conditions
by
simply
pressing
the
4
Chan
1
5
or
4
Chan
2
5
key
.
MEASUREMENT
Block
The
MEASUREMENT
block
contains
hardkeys
associated
with
measuring
parameters
,
display
formats
,
and
calibration.
SWEEP
K
ey
Block
The
SWEEP
block
contains
hardkeys
associated
with
sweep
settings
.
MARKER
Block
The
MARKER
block
contains
hardkeys
associated
with
the
marker
function
that
facilitates
reading
values
on
the
measurement
trace
.
INSTRUMENT
ST
A
TE
Block
The
INSTRUMENT
block
contains
hardkeys
that
aect
the
instrument state
of 4395A
.
ENTRY
keys
The
ENTRY
block
contains
the
following:
numeric keys
a rotary
knob
step keys
for incrementing
or decrementing
your entered
values
edit
keys
unit terminator keys
You can use the
rotary knob to change the value of the currently active parameter
.
2. Softkeys
Softkey menus are lists of up
to eight related functions that can be displayed in the softkey
label area at the right-hand side of
the display
. The eight keys to the right of the LCD are the
softkeys. Pressing one of the softkeys selects the adjacent menu function. This either executes
the labeled function and makes it the active function, causes instrument status information to
be displayed, or presents another softkey menu.
Some of the softkey menus are accessed directly from front panel keys and some from
other menus.For example, the sweep menu accessed by pressing the 4
Sweep
5 key presents
all the sweep functions such as sweep type, number of points, and sweep time. Pressing
4-2 Front and Rear Panels