W
arning
The
42842C
mounted
on
the
42841A
must
be
placed
on
a
desk
or
bench.
DO
NOT
stack
the
42841A
with
the
42842C
and
the
4285A,
DO
NOT
put
any
thing
on
the
42842C,
and
DO
NOT
lean
on
it,
as
shown
below
.
Doing
this
may
cause
the
instrument
to
tumble
over
.
Recommended
Physical
Setup
The
4285A,
the
42841A,
and
the
42842C
must
be
connected
with
a
bias
current
interface
cable
and
16048A
test
leads
as
shown
in
Figure
3-22
using
the
following
procedure
.
1.
Connect
the
UNKNOWN
terminals
of
the
4285A
and
the
TO
UNKNO
WN
terminals
of
the
42842C
using
the
16048A
test
leads
.
2.
Connect
the
A
CCESSORY
CONTROL
INTERF
A
CE
connector
of
the
4285A
and
the
BIAS
CONTROL
INPUT
A
connector
of
the
42841A
with
the
furnished
interface
cable
.
3-22
Basic
Measurement
Examples
