Agilent Technologies 4339B - Page 66

P
erforming
OPEN
Correction 4339B
Performing
OPEN Correction
The
OPEN
correction
function
cancels
measurement
errors
caused
by
residuals
and
stray
capacitance
of
the
test
xture
,
and
stores
data
for
the
contact
check function.
1.
Separate
each
electrode
of
the
test
xture
,
conrming
that
nothing
is connected
to the
electrodes
.
F
or
details
about
xture
operation,
refer
to
each
xture's
Operation and
Service
Manual
.
2.
Press
.
A
source
voltage
is
applied
to
the
test
xture
,
and
the V
Output indicator
will
turn
ON.
W
arning
Pressing may
cause
the
4339B
to
output
dangerous
voltage
,
up
to
1000
Vdc.
Do
NO
T
touch
the
UNKNO
WN
terminals
or
the
electrodes
of
the
xture
when
the
V
Output
indicator
is
ON.
3.
Press
.
The
OPEN correction
menu appears
.
4.
Press
or until
OpenMeas blinks
.
Then
press
.
The 4339B
performs
the
OPEN
correction
with the
message
"Open
Correction"
.
When
the
OPEN
measurement
is
completed,
the
4339B
displays
the
end
message
"Correction
Complete"
,
and
returns
to
the
measurement
display
.
Note
If
any
error
message
is
displayed,
conrm
that
the
test
xture
electrodes
are
completely
separated.
5. Press
.The
source voltage
is turned
OFF
,
and
the
V
Output
indicator
will
be
OFF
.
After the
OPEN correction
is completed,
you can
connect the
DUT
to
the
test
xture
.
If
you
want
to
see
the
OPEN
measurement
value,
select
\MeasV
al"
in
the
OPEN
correction
menu. The OPEN measurement value will be displayed as follows:
1-22 Getting Started