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5.
Offset
—
off
and zeroed
Scaling
~
off
and
set
to
1
Peaks
—
off
and
set
to
0
Ext
Ref
—
off
Trig^r
—
Auto
VDC/Ohmx
Aero
-
zeroed
Remote
—
out,
in local.
2-79.
Allow
a
1
hour
warm-up
to insure rated
accuracy.
8502A
2-80.
Front
Panel
Control Usage
2-81.
Figures
2-4, 2-5, 2-6,
and
2-7
will
describe
S502A
front
panel
control usage.
When
initially
setting these
con-
trols,
use the following
grouping sequence:
FUNCTION
—
RANGE
—
MODIFIERS
—
MEMORY
RANGE
FUNCTION
C.fKtTS;
DOWN
AUTO
OHMS
Depress the switch
for the desired function.
The
8502A
will
assume
autoranging
(AUTO LED
on)
and
retain
any
modifier (sample,
filter,
etc.)
or
memory
(scaling, offset,
etc.)
mode
already
In
use.
if
a
function
is
selected for
which
the
module
is
either faulty or
not
installed,
Error
9
will
appear
in
the
display. Press
RESET
or
select
another
function
to
clear
this
error indication.
Otherwise, die appropriate function
LED
will
come
on
when
one
of the
following functions
is
selected:
1.
DC VOLTS
(V
DC) -
Standard, 5
ranges.
2.
AC VOLTS
(V
AC)
--
Optional,
4
ranges.
3.
DC
CURRENT
(A
DC)
-
Optional,
5
ranges.
4
.
AC CURRENT
(A
AC)
—
Optional,
5
ranges.
5.
Resistance
(OHMS)
—
Optional
,
8
ranges.
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