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Installation and Calibration
18
To minimize repair time, be as speci c as possible when
describing the failure. Keep the following two items in
mind when describing the failure:
1. Describe what makes you think the instrument is
failing. An example might be \Flat fade attenuation
does not work."
2. If the failure only occurs under certain conditions,
explain how to duplicate the failure. An example
might be \Flat fade attenuation will not operate at
22.0 dB."
Original Packaging
Containers and materials identical to those used in
factory packaging are available through Hewlett-Packard
oces. Mark the container \FRAGILE" to encourage
careful handling. In any correspondence, refer to the
instrument by model number and full serial number.
Other Packaging
The following general instructions should be used for
repackaging with commercially available materials.
1. Wrap the instrument in heavy paper or plastic. If
shipping to a Hewlett-Packard oce or service center,
complete one of the blue tags mentioned above and
attach it to the instrument.
2. Use a strong shipping container. A double-wall carton
made of 2.4 MPa (350 psi) test material is adequate.
3. Use enough shock-absorbing material (75 to 100 mm
layer; 3 to 4 inches) around all sides of the instrument
to provide a rm cushion and prevent movement
in the container. Protect the front panel with an
appropriate type of cushioning material to prevent
damage during shipment.
4. Seal the shipping container securely.
HP 11757B
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