•Models461A/462A
2·1.
INTRODUCTION.
SECTION
II
INSTAllATION
2·10.
INSTALLATION.
Section
11
•
•
2·2,
This
section
contains information and
instructions necessary for the installation and
shipping of the Model 461A Amplifier. Included are
initial inspection procedures, power and grounding
requirements,
installation
information, and
instructions for repackaging for shipment.
2·3.
INITIAL
INSPECTION.
24.
This instrument was carefully inspected both
mechanically and electrically before shipment.
It
should be free
of
mars and scratches and in perfect
electrical order upon receipt. To confirm this, the
instrument should be inspected for physical damage
in transit. Also check for supplied accessories, and
test the electrical performance
of
the instrument
using the procedure outlined in Paragraph 5-5.
If
there is damage or deficiency, see the warranty on the
inside front cover
of
this manual.
2·5.
POWER
REQUIREMENTS.
2·6. The Model 461A can be operated from any
source of 115 or 230 volts (+/·10%), at
4810440
Hertz. With
the
instrument disconnected from
the
ac
power source, move the 115/230 V slide switch on
the rear panel until the desired line voltage appears.
Power dissipation is 5 watts maximum.
2·7.
GROUNDING
REQUIREMENTS.
2-8. To protect operating personnel, the National
Electrical
Manufacturers' Association (NEMA)
recommends that the instrument panel and cabinet be
grounded. All Hewlett-Packard instruments are
equipped
with
athree-conductor power cable which,
when plugged into an appropriate receptacle, grounds
the instrument.
The
offset pin on the power cable
three-prong connector is the ground wire.
2-9. To preserve the protection feature when
operating the instrument from a two-contact
outlet,
use a three-prong to two-prong adapter and connect
the green pigtail on the adapter to ground.
2·11. The Model
46lA
is fully transistorized;
therefore, no special cooling is required. However, the
instrument should not be operated where the ambient
temperature exceeds 55° C(1310F) or the relative
humidity exceeds 95%.
2·12.
BENCH
MOUNTING.
2·13. The Model
46lA
is shipped
with
plastic feet
and tilt stand in place, ready for use as a bench
instrument.
2·14.
RACK
MOUNTING.
2·15. The Model 461A may be rack mounted by
using an adapter frame (·hp· Part No. 5060.(797).
The adapter frame is a rack frame
that
accepts any
combination
of
submodular units.
It
can be rack
mounted
only.
For
additional information, address
inquiries to your -hp- Sales and Service Office. (See
Appendix B for office locations.)
2·16.
REPACKAGING
FOR
SHIPMENT.
2-]7. The following paragraphs contain a general
guide for repackaging
of
the isntrument for shipment.
Refer to Paragraph 2-18 if the original container is to
be used; 2-19 if it is not.
If
you
have
any
questions,
contact
your
local -hp- Sales and Service Office. (See
Appendix B for office locations.)
----NOTE----
If
the instrument is to be shipped
to Hewlett-Packard for service or
repair,
attach a tag to the
instrument identifying the owner
and indicating the service or repair
to be accomplished; Include the
model number and full serial
number
of
the instrument. In any
correspondence,
identify the
instrument by model number, serial
number, and serial number prefix.
2-1
