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8502A
SCALING
1.
Press
SCALING
to enter
this
mode (SCALING
LED
will
come
on). Pressing the
switch
a
second time
will
exit
the
mode.
2.
Store
any
currently displayed value
as a scaling
factor
by
pressing:
STORE
SCALING
Read
tiie
value
as
long
as
SCALING
is
held depressed.
Enter
the
mode
by
again
depressing
SCALING.
3.
Enter
a
programmed
numeric
as
a scaling
factor
by
pressing:
STORE
^NUMERIC
-^SCALING
(numbers)
^
ENTER
Press
SCALING
to enter the
mode.
4.
Display
a
stored
scaling factor
by
pressing:
RECALL
SCALING
CALO
1.
Enter the
Cal
mode
by
sliding
the
CAL
switch
down
(the
CAL LED
will flash).
This switch
will
be
found behind
a
small
plastic
cover
which
pulls
out
and
hinges
down.
Use
a
small screwdriver or equiv-
alent to
slide
the switch.
2.
To
enter
calibration factors for
each range
and
function, the optional Calibration
Memory
must
be
installed.
Refer
to
Section 6
for applicable
operating
instructions.
TRIGGER
1.
Press
TRIGGER
to activate
both
manual
triggering
mode
and
external trig^ring operation
(—
08A
Option
installed).
The
8502A
will
now
accept
either:
a.
A
manually
triggered reading
with each subsequent depression of
TRIGGER,
or
b.
An
external
trigger
applied
through
the
rear
panel
connector
(part
of
Option
—
08A).
Manual
triggering
from
the fropt panel
will
take
precedence
if
a
simultaneous
external
trigger
is
received,
2.
Exit
manual/external
triggering
by
pressing
RESUME.
3.
When
you
press a
switch
i't
is
acted
upon
immediately,
and
the reading
is
aborted.
Thus,
if
the
instrument
is
in
manual
trigger
and
a
switch
is
pressed
during
the
reading, the
8502A
will halt.
It
will
then
be necessary to
press
TRIGGER
again to take the reading.
CE
Use
this
switch to
clear a
numeric
entry
prior
to
entry
into
memory.
Figure
2-6.
Memory
(cont)
2-15
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