Fluke 8021B - Physical Features; Operating Notes

8021
B
battery
voltage falls
to a
point where the
"BT" is
displayed and the
digital
display is
inactive or no
longer
responds to a
signal input, the
battery
should be
replaced
immediately to
prevent
damage to the
LCD.
WARNING
TO
AVOID
ELECTRICAL
SHOCK
HAZARDS
REMOVE THE
INPUT SIGNAL
AND
TEST LEADS
FROM THE
INPUT
TERMINALS,
AND SET THE
POWER
SWITCH TO
OFF
BEFORE OPENING
THE
BATTERY
COMPARTMENT.
1.
Set the
802 IB
power switch to
OFF.
2.
Remove the
test leads
from
external circuit
connections
and from the 8021
B
input
terminals.
3.
Open the
battery
compartment
on the bottom
of the 802
IB using the
method
shown in
Figure
2-1.
4.
Tilt
the
battery out as
shown in Figure
2-2.
5. If fuse
FI is to
be
replaced, use a
pointed
tool such as a
probe
tip
or small
screwdriver to
pry
FI from its
holder.
Replace
the
defective
fuse
with fuse
type
AGX2.
(instruments
that
accommodate
metric
fuses use
type F).
6.
Disconnect
the
battery clip from
the battery
terminals.
7. Press
the
battery clip onto
the
replacement
battery
and return both
to
the
battery
compartment.
8.
Make sure
the battery
leads are
routed by the
broad side
of the battery and
fully
within the
confines of the
battery
compartment
before sliding
the cover into
place.
WARNING
DO
NOT
OPERATE
THE 8021 B
UNTIL THE
BATTERY
COVER IS IN PLACE
AND
FULLY
CLOSED.
2-9. PHYSICAL
FEATURES
2-10. Before using
your 8021 B
we suggest
that you
take a few
minutes to
get acquainted
with your
instrument.
All of the
externally
accessible
physical
features of 802 1 B
are shown
in
Figure
2-3
and
described in Table
2-1. Locate each
feature on
your 8021 B as
you read
the
description.
2-11. OPERATING
NOTES
2-12. The
following
paragraphs will
familiarize
you with
the
capabilities and
limitations
of
your
Model 802 IB
and
instruct you
in routine
operator
maintenance.
2-2