Table of Contents
Advertisement
8502/
SAMPLE
1.
Press
SAMPLE
to toggle
between
sampies/reading
rates
5
and
7.
2.
Alternately,
any
rate
between 0 and 17
may
be
programmed from
the front
panel.
Press:
STORE
—
NUMERIC -^SAMPLE
-^(rate
number)
ENTER
The
new
rate
will
go
Into effect
as
soon
as
ENTER
is
pressed.
3.
To
display the samples/reading
rate, press:
RECALL
^
SAMPLE
The
rate
will
be displayed
as
long
as
SAMPLE
is
held depressed.
4.
The
SAMPLE
LED
will
flash at
the
samples/reading
rate selected.
With
more
than
128
samples/
reading
(rate
7)
there
will
be
no
distinguishable
rate
difference
from
the
LED's
indications
at rate
7.
FILTER
1.
Press
FILTER
to toggle
between
filter
modes
F
and
FO.
The
FILTER LED
will
come
on
for
F
(slow
filter).
2.
Use
the following switches
to select
filter
modes
F1, F2, or F3:
STORE -^NUMERIC
-^FILTER
—
(1,2, or
3)
ENTER
3.
Display the
filter
mode
in
effect
by
pressing;
RECALL
—
FILTER
The
mode
will
be displayed
as
long
as
FILTER
is
held depressed.
4.
If
modes
FI
or
F3
are
in
effect,
subsequent
use of
FILTER
will
tt^gle the
8502A
back
to
mode
F.
If
mode
F2
is
in
effect,
pressing
FILTER
will
toggle
back
to
mode
FO.
EXTERNAL
REFERENCE
1.
Press
EXT
REF
to enter the External
Reference
mode (EXT
REF LED
will flash).
The
external
reference voltage applied
at
the
rear
panel terminals
will
be displayed
as
long
as
EXT REF
is
held
depressed. Release of the switch enters the
8502A
into
the External
Reference
mode.
2.
For
proper
external reference
operation; the
resistance
between
SENSE
LO
on
the front panel
and
external reference HI or
LO
on
the
rear
panel
must
be
less
than
20 Kohms. Apply
a direct
connection
between
these
two
points
to insure correct operation.
REMOTE
1.
Use
REMOTE
to toggle
between
local
and remote
operation
with
either the
RS
232
(Option
—06)
or
or the
Parallel
(Option
-07)
Interface
installed.
2.
.
Use
REMOTE
to toggle into
local
only
if
in
remote
with
the
IEEE
(Option
—05)
installed.
Figure
2-5.
Modifiers
(cont)
1
2-1
Advertisement
Table of Contents
