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