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Model 8447A
Installation
SECTION II
INSTALLATION
2-1.
INITIAL INSPECTION.
2-2.
Mechanical Check.
2-3.
If damage to the shipping carton is evident,
ask the carrier's agent to be present when the in¬
strument is unpacked. Inspect the instrument for
mechanical damage. Also check the cushioning
material for signs of severe stress.
2-4.
Performance Check.
2-5.
The electrical performance of the Model
8447A or Model 8447A -001 should be verified
upon receipt. Repeat each test on each amplifier in
the Model 8447A -001 Dual Amplifier instrument.
Performance checks suitable for incoming inspec¬
tion are given in Sections IV, Performance Tests.
2-6.
Claims for Damage.
2-7.
If the instrument is mechanically damaged
in
transit,
notify the carrier and the nearest
Hewlett-Packard field office immediately. A list of
field offices is contained in the back of this man¬
ual. Retain the shipping carton and padding materi¬
al for the carrier's inspection. The field office will
arrange for replacement or repair of your instru¬
ment without delay for claim settlements against
the carrier. Before shipment, this instrument was
inspected and found free of mechanical and electri¬
cal defects. If there is any deficiency, or, if electri¬
cal performance is not within specifications, notify
your nearest Hewlett-Packard sales and service
office.
2-8.
PREPARATION FOR USE.
2-9.
Power Requirements.
2-10.
The Model 8447A or Model 8447A -001
operates from 115 or 230 volts ac line voltage at
any line frequency between 50 and 400 Hz. A slide
switch on the rear panel is set to the correct posi¬
tion for the line voltage available. A 0.5 ampere
line fuse is required for either 115 or 230 volt
operation.
2-11.
Power Cable.
2-12.
To protect operating
personnel,
the Nation Electrical Manufacturers Association
(NEMA) recommends that the instrument panel
and cabinet be grounded. All Hewlett-Packard in¬
struments are equipped with a three-conductor po¬
wer cable which, when plugged into the appropri¬
ate receptical, grounds the instrument. The offset
pin on the power cables three-prong connector is
the ground wire.
2-13.
To preserve the protection feature when
operating the instrument from a 2-conductor out¬
let, use a three-prong to two-prong adapter and
connector the green pigtail on the adapter to
ground.
2-14.
The power cord or power input connector
meet the specifications established by the Interna¬
tional Electrotechnical Commission (IEC).
2-15.
Operating Environment.
2-16.
The operating range of the Model 8447A or
Model 8447 -001 is from 0°C to +55°C. The ampli¬
fier can be stored in a temperature range of -40° C
to +75°C.
2-17.
Bench Mounting.
2-18.
The Model 8447A is equipped with plastic
feet and tilt stand in place, ready for use as a bench
instrument.
2-19.
Rack Mounting.
2-20.
The Model 84 47 A may be rack mounted
by using an adapter frame. The adapter frame is a
rack frame that accepts any combination of sub-
modular units (see Figure 2-1). For additional in¬
formation, address inquires to your nearest HP
sales and service office.
2-21.
STORAGE AND SHIPMENT.
2-22.
Packaging.
2-23.
The following paragraphs contains a general
guide to repackaging of the instrument for ship¬
ment. Refer to paragraph 2-25 if the original con¬
tainer is to be used; refer to paragraph 2-27 if it is
not.
2-24.
If the instrument is to be shipped to Hew¬
lett-Packard for service or repair, attach a tag to
the instrument identifying the owner and indica¬
ting the service or repair required; include the
model
number and full serial number of the
instrument.
2-1
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