3.
When
you
perform
a
high
DC
current
bias
measurement,
connect
the
UNKNOWN
terminals
of
the
4285A
and
the
TO
UNKNOWN
terminals
of
the
42842C
using
the
16048A
test
leads
.
When
you
perform
a
precision
Q
measurement,
connect
the
UNKNOWN
terminals
of
the
4285A
and
the
TO
UNKNOWN
terminals
of
the
42851A
using
two
10503A
BNC
coaxial
cables
.
Figure
1-4.
Chaining
the
42841A
and
the
42851A
T
o
learn
how
to
use
the
4285A
Precision
LCR
Meter
and
its
accessories
,
continue
with
the
next
chapter
.
The
4285A
has
already
passed
its
self-test
and
is
ready
to
make
measurements
.
If
you
want
an
electrical
inspection
(incoming
inspection,
for
instance),
go
through
the
4285A
Maintenance
Manual
(Agilent
part
number
04285-90030).
1-6
Before
Y
ou
Begin
