ALC
Measurement
Time
The
required
time
for
the
the
ALC
operation
is
calculated
using
the
following
formula.
(meas
.
time
(SHORT)
+
approx.
115
msec
.)
2
n
Where
,
n:
A
ctual
measurement/adjustment
cycle
(2
n
6)
ALC
V
oltage/Current
Setting
Range
When
the
ALC
function
is
active
,
the
test
signal
level
setting
range
is
limited
as
follows
.
V
oltage
Level:
10
mV
rms
to
1V
rms
Current
Level:
100
A
rms
to
20
mA
rms
Note
If
the
test
signal
level
setting
value
exceeds
the
above
limits
while
the
ALC
function
is
active
,
the
ALC
function
is
automatically
set
to
OFF
and
the
entered
value
is
set
as
a
normal
test
signal
level.
On
the
other
hand,
if
the
ALC
function
has
been
already
turned
on
when
the
LEVEL
setting
is
out
of
the
ALC's
available
range
,
the
LEVEL
setting
is
automatically
changed
to
be
within
the
ALC's
available
range
.
Operation
Procedure
of
the
ALC
Function
P
erform
the
following
steps
to
set
the
automatic
level
control
function
ON
or
OFF
.
1.
Press
4
MEAS
SETUP
5
to
display
the
MEAS
SETUP
page
.
2.
Move
the
CURSOR
to
the
ALC
eld.
The
following
softkeys
will
be
displayed.
N
NNNNNNN
ON
NNNNNNNNNNN
OFF
3.
Press
NNNNNNNN
ON
to
set
the
automatic
level
control
function
to
ON.
Press
NNNNNNNNNNN
OFF
to
set
the
automatic
level
control
function
OFF
.
4-4
Instrument
Feature
T
utorial