Hologic QDR 4500 Technical Manual page 2

NOTICE
The information contained in this Manual is confidential and proprietary to Hologic, Inc. This
information is provided only to authorized representatives of Hologic's customers solely for the
purpose of facilitating the use of Hologic's products. No information contained herein may be
disclosed to any unauthorized person for any purpose whatsoever without the prior written
consent of Hologic, Inc.
Hologic QDR 4500 and the Hologic logo are registered trade marks of Hologic, Inc. All other
products and company names, used in this manual, are trademarks and registered trademarks of
other manufacturers.
The procedures described in this document are intended solely for use by direct employees of
Hologic, Inc. or authorized Hologic Equipment Resellers and their trained technicians. Any
unauthorized or untrained persons performing these procedures may affect the warranty of the
Hologic Model QDR 4500.
Exercise proper caution when servicing the system. There are dangerous and potentially lethal
voltages accessible within the QDR 4500 system. To avoid exposure to shock hazards, the Main
circuit breaker should be switched off, and the power cord removed, before working inside any
part of the system.
The QDR 4500 Fan Beam X-ray Bone Densitometer produces ionizing radiation in the form of
X-rays. It may be dangerous to the patient, operator or service technician unless safe exposure
factors and operating instructions are observed. To avoid unsafe exposure, do not attempt to
service this equipment unless you are a Hologic, Inc. certified service technician. Exercise proper
caution when servicing the system. A dosimeter (film badge) should always be worn while on
site. Dose and scatter radiation measurements must be taken after each service call to ensure that
these parameters are still within specifications.
Hologic, Inc. has made all reasonable effort to ensure that the information in this manual is
accurate and complete. Hologic, Inc. shall not, however, be liable for any technical or editorial
errors or omissions contained herein, or for incidental, special or consequential damages in
connection with the furnishing or use of this material. The information contained in this manual
is subject to change without notice.
Printed in U.S.A.
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Copyright 1998, 1999 by Hologic, Inc., All rights reserved
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