Fluke 8505A Instruction Manual page 19

8505A
2.)
Any
of 18 different reading rates
can be
specified using the following push button
sequence:
STORE
(0-17)
SAMPLE
The
SAMPLE
annunciator
now
flashes
at a
specified
rate.
For settings
of 0-7, this rate
is
the reading
rate.
For the slower settings
of 8-17, a
single
rate
is
preset to indicate
a reading
in
progress.
Two
methods
are available
for
filter
selection.
1
)
By
toggling the
FILTER push
button,
the operator can
select
mode
F (no
mode
number)
or
FO
(mode number
0).
2.
)
The
following
sequence
can be used
to select
any
of
the
five
filter
modes:
STORE
(mode
number)
FILTER
MODE
NUMBER
FILTER
TIMEOUT
FILTER
LED
(blank)
slow none
on
0
fast
none
off
1
bypass none
off
2 slow
550
ms
on
3
fast
50
ms
off
(No
Mode Number
is
used
for
slow
filter
without timeout.
Push
STORE
FILTER.)
The
OFFSET
push
button
can be used
to
toggle into/out of the Offset
mode (OFFSET
annunciator
lights).
Two
methods
are available
for
simultaneously entering an
offset
value
and
activating
the
Offset
mode.
1.
)
A
numeric
value
may
be entered using
a store
sequence. For example,
store
an
offset of
1.25 as follows:
STORE
1.25
OFFSET
2.
)
A
displayed reading can be stored
as the offset value.
Use
the following sequence:
STORE OFFSET
NOTE
In
some
instances, the displayed value
may
not
be an appropriate
offset value.
For
example,
if
the displayed value
is
being used
to
zero the
multimeter,
it
is
important
to
verify that
no
other
mathematic
operations are
in effect. In
such
a case,
check
that
OFFSET, SCALING,
and
EXT REF
annunciators
are
all
off
before storing a
new
offset
value.
Figure
2-2. Front Panel
Push
Buttons (cont)
2-11