Installation
Model
I82C
power transformer
primary windings in series for
230
Vac operation
and selects the proper fuse for 230 Vac.
2-1D. IHKbb-CUNUUCTUK PUWfcK CABLE.
2-20. The National Electrical Manufacturer's Association
(NEMA) recommends
that the instrument panel and
cabinet be
grounded
to
protect operating
personnel.
The Model f82C is
provided with
a
detachable three-
conductor power cord which,
when plugged into an
appropriate outlet, grounds the Instrument.
The oscil-
loscope
mainframe power jack and the mating plug
of
the
puwei uuid
cunfutm
to
International Electrotechnical
Commission (lEC) safety standards.
2-21,
When operating the Model 182C from a two-
contact
power
outlet use a
three-conductor
to
two-
conductor
adapter. Preserve
the
safety feature
by
ground-
ing the adapter
flexible (third) lead. A suitable three- to
two-pin adapter is available from Hewlett-Packard. Order
HP Part No.
125t-0048.
2-22.
INSTRUMENT
MOUNTING.
2-23.
The Model 182C is
intended for berKh use.
It
has a
built-in tilt stand and feet mounted on both bottom and
rear for
bench or upri^t operation.
2-2^. To use the tilt stand, lift the front of the instrument
or place it vertically on the rear feet. The tilt stand
is
folded and locked Into r^lrtce against the cahlnet bottom
cover. Hold the
instrument steady
and
squeeze the two
tilt
stand
legs
together to
release
them
from
the lock.
Pull
the stand toward the front of the instrument. When fully
forward, release
the legs and they will lock into position.
The tilt stand will support the instrument with the front
elevated,
2-25.
INSTRUMENT
COOLING.
2-26. This instrument
does not require forced-air
cooling
when operated at room
temperature or between
0 to +55
degrees centigrade.
Normal air circulation
will maintain a
reasonable
operating temperature within the
instrument.
2-27. Perforations
in
the
two covers provide
for
the
required air
flow.
Do not obstruct them. Provide scverel
inches of clearance around the top, rear and sides.
Adequate
airflow
from the bottom
of the instrument
is
provided by the mounting
feet.
228.
CONTRAST
FILTER.
2-29.
The contrast filter is designed
to be easily removed
from the CRT bezel. Use of
the light blue contrast filter
provides comfortable viewing when
the instrument is
operated in normal and high ambient light.
2-30.
To remove the contrast filter,
as is desirable Tor
photographing the display, grasp
the top portion of
the
bezel frame and
pull
straight
up. Remove the filter
by lifting it straight
up and out of the bezel.
Figure
2-1
shows the filter
being removed
from the
instrument.
.
Vr
A—
9
Figure
2-1.
Contrast
Filter
Removal
2-31.
CLEANING
CRT
FACEPLATE.
2-32.
When the
contrast filter
has been removed,
the
CRT
faceplate
can be cleaned
using a soft
cloth or tissue.
Never
use coarse or abrasive tissues;
these will scratch
the plastic
CRT faceplate.
2-33.
INSTRUMENT
COMPATIBILITY.
2-34.
The Model
182C Oscilloscope is
designed to operate
with
a
wide
variety of time base and vertical
plug-ins.
Table
3-1
lists the plug-ins currently
available.
Note
Plug-ins specifically
designed for
use
with the
500 MHz
Model
183A/B Os-
cilloscopM
will not tit into
or operate
in the Model
182C. A mechanical
inter-
lock
is provided on these
plug-ins
which
prevents their full
insertion
into the
Model
182C. Additionally,
the Model
182C
does not
supply the required
operating
power.
2-2
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