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8502A
VDC/OHM ZERO
VOLTS/'J
SeNSE
INPUT
AMPS/S'
SOURCE
Correct
for
internal
drift
by
shorting the input terminals
as
illustrated.
Use
a
good
quality,
!ow
thermal
short.
The
instrument
must
be
in
the
100
mV
or
10
ohm
range.
'
10O0V
MAX TO CHAVIS
Now
use the switches:
STORE
-*
VDC/OHiVI
ZERO
The
value
will
be displayed
as
long
as
VDC/OHM ZERO
is
held depressed.
The
display
will
be zeroed once
VDC/OHM ZERO
is
reieased.
To
display the stared zero correction
(for
dc
volts
only),
press:
RECALL
—
VDC/OHM ZERO
The
value
will
be displayed
as
long
as
VDC/OHM ZERO
is
held depressed.
OFFSET
Enter the
Offset
mode
by
pressing
OFFSET
(OFFSET LED
will
come
on). Exit
diis
mode
by
again
depressing
OFFSET.
Store
any
currently displayed value
with
the following procedure:
STORE
—
OFFSET
To
enter
a
programmed
numeric
value
as
an
offset,
use the following
procedure:
STORE
NUMERIC -^OFFSET
(numbers)
ENTER
To
use
OFFSET
as
a
zeroing
feature,
first
perform
VDC/OHM
ZERO.
Then,
short
test leads
used
in
dc
volts
or 2-wire
ohms
measurements.
Press:
STORE
-*
OFFSET
The
value
will
be displayed
as
long
as
OFFSET
is
held depressed.
Push
OFFSET
a
second time
to
enter Offset
mode.
Figure
2-^.
Memory
(cont)
2-14
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