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NOTE
1:
This function does not operate on diagnostic
special functions.
NOTE
2:
This function only operates during
INPUT
C
measurements and
displays the
Local
Oscillator selected
to
make
a
measurement.
NOTE
3:
Operates
under
same
conditions
as
Special
Function
31.
NOTE
4:
"0"
displayed
=
Detector
False.
"I"
displayed
=
Detector True.
(Special
Function 41
must
also
be
active).
NOTE
5:
LO
and
Harmonic
Number
(HN)
store
both
active.
NOTE
6:
Special
Functions
30,
40
and
50
are
only available
on
2151.
Setting
the Special
Function
Register
36
When
a
special
function
is
to
be
used,
its
number must
first
be entered into the
register.
To
do
this
send
the
command
string:
"SFNN",
(Ref.
B34).
Where
NN
is
the
special function
number
to
be
entered.
The
instrument returns
to
the
measurement mode
automatically once the
number
is
stored.
37
When
a
number
is
stored,
it
overwrites the previously stored
number
in the
same
decade.
To remove a
number
from
the
register,
another
number must
be
stored.
Enabling
and
Disabling
the Special
Functions
38
The group
of special functions
whose
numbers
are entered in
the special
function
register
are
enabled
by
sending
the
command
"SF ON". The
special
functions are
disabled
by
sending
"SF OFF".
39
The
default
state
corresponds
to
the default state of
the
special
function
register,
i.e.,
with
special
functions
10, 20, 30, 40, 50, 60, 70,
80 and 90
enabled.
NOTE:
A
special
function entered
in the register
while
the
special functions
are
enabled
will
be
enabled immediately.
2151
OPS
A1571/DA
4-11
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