HP 8753D - Page 525

function,
its value
in stimulus
units is
displayed
below
its
percent
value in
the
active
entry
area.
Smoothing
aperture is
also
used
to
set
the
aperture
for
group
delay
measurements.
Note
that
the
displayed
smoothing
aperture
is not
the
group
delay
aperture
unless
smoothing
is
on.
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SMOOTHING
on
OFF
turns
the
smoothing
function
on
or
o
for
the
active
channel.
When
smoothing
is
on,
the
annotation
\Smo"
is
displayed
in
the
status
notations
area.
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SOURCE
PWR
on
OFF
turns
the
source
power
on
or
o.
Use
this
key
to
restore
power
after
a
power
trip
has
occurred.
(See
the
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POWER
key
description.)
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SPACE
inserts a
space in
the title
.
4
SP
AN
5
is
used,
along
with
the
4
CENTER
5
key
,
to
dene
the
frequency
range
of
the
stimulus
.
When
the
4
SP
AN
5
key
is
pressed
it
becomes
the
active
function.
The
value
is
displayed
in
the
active
entry
area,
and
can
be
changed
with
the
knob
,
step
keys
,
or
numeric
keypad.
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SPAN
sets
the
frequency
or
power
span
of
a
subsweep
about
a
specied
center
frequency
.
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SPECIAL
FUNCTIONS
presents
the
special
function
menu.
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SPECIFY
CLASS
leads
to
the
specify
class
menu.
After the
standards
are
modied,
use
this
key
to
specify
aclass
to
consist
of
certain
standards
.
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SPECIFY CLASS
DONE
nishes
the
specify
class
function
and
returns
to
the
modify
cal
kit menu.
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SPECIFY GATE
(Option 010
only)
is
used
to
specify
the
parameters
of
the
gate
.
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SPECIFY
OFFSET
allows
additional
specications
for
a
user-dened
standard.
F
eatures
specied
in
this
menu
are
common
to
all
ve
types
of
standards
.
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SPLIT
DISP
on
OFF
toggles
between
a
full-screen
single
graticule
display
of
one
or
both
channels
,
and
a
split
display
with
two
half-screen
graticules
one
above
the
other
.
The
split
display can
be
used
in
conjunction
with
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DUAL
CH
ON
in
the
display
menu
to show the measured data of each channel simultaneously
on
separate graticules
. In addition, the stimulus functions
of the
two channels can be controlled independently using
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COUPLED CH ON
in the stimulus menu. The markers can
also be controlled independently for each channel using
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MARKERS: UNCOUPLED
in the marker mode menu.
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SPUR AVOID On Off
selects whether spur avoidance is ON or OFF
. Selecting spur
avoidance OFF, along with selecting raw osets OFF, saves
substantial time at recalls and during frequency changes. Spur
avoidance is always coupled between channels.
4
START
5 is used to dene the start frequency of a frequency range.
When the 4
START
5 key is pressed it becomes the active function.
Key Denitions 9-39