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D-0116493-B (OM015) – PC850 Operating Manual
TABLE OF CONTENTS
1. INTRODUCTION .................................................................................................................................................. 4
1.1. THANK YOU ........................................................................................................................................................... 4
1.2. INTENDED APPLICATIONS ......................................................................................................................................... 4
1.3. CONTRADICTIONS ................................................................................................................................................... 4
1.4. STANDARD AND OPTIONAL COMPONENTS.................................................................................................................... 4
1.5. WARNINGS ........................................................................................................................................................... 5
2. PRINCIPLES OF OPERATION ................................................................................................................................ 6
2.1. OTOSCOPIC EXAMINATION ....................................................................................................................................... 6
2.2. PRINCIPALS OF PURE TONE AUDIOMETRY ................................................................................................................... 6
2.3. AUDIOMETRY PREPARATION ..................................................................................................................................... 6
3. UNPACKING AND INSTALLATION ........................................................................................................................ 8
3.1. GENERAL .............................................................................................................................................................. 8
3.2. MARKINGS ............................................................................................................................................................ 8
3.3. SAFETY INSTRUCTIONS ............................................................................................................................................. 9
3.3.1. General ..................................................................................................................................................... 9
3.3.2. Cautions – General ................................................................................................................................... 9
3.3.3. Environmental factors ............................................................................................................................ 10
3.3.4. Electrical and electrostatic safety ........................................................................................................... 10
3.3.5. Electromagnetic compatibility (EMC) ..................................................................................................... 11
3.3.6. Explosion hazards ................................................................................................................................... 11
3.3.7. Measuring Security ................................................................................................................................. 11
3.3.8. Miscellaneous ......................................................................................................................................... 11
3.3.9. Use of equipment after transport and storage ....................................................................................... 12
3.4. CONNECTIONS ..................................................................................................................................................... 12
4. USING THE PC850 (COMPUTER CONTROLLED) ...................................................................................................14
4.1. GENERAL ............................................................................................................................................................ 14
4.2. SWITCHING THE AUDIOMETER ON AND OFF .............................................................................................................. 14
4.3. USING THE TALKOVER FUNCTION ............................................................................................................................. 14
4.4. STARTING THE SOFTWARE ....................................................................................................................................... 14
4.5. AVAILABLE TEST MODES ........................................................................................................................................ 15
4.5.1. Manual Test ............................................................................................................................................ 15
4.5.2. Computer Testing ................................................................................................................................... 16
4.5.3. Békésky Test ........................................................................................................................................... 16
4.5.4. Single Frequency TEst ............................................................................................................................. 16
4.5.5. Mixed Testing ......................................................................................................................................... 16
4.6. INITIATING A TEST VIA COMPUTER ........................................................................................................................... 16
4.7. RUNNING A PREVIOUS TEST TYPE ............................................................................................................................ 17
4.8. MANUAL TESTING ................................................................................................................................................ 18
4.9. COMPUTER TESTING ............................................................................................................................................. 19
4.10. BÉKÉSKY TEST ...................................................................................................................................................... 20
4.11. SINGLE-FREQUENCY TESTING .................................................................................................................................. 20
4.12. MIXED-MODE TESTING .......................................................................................................................................... 20
5. USING THE PC850 STAND-ALONE ......................................................................................................................22
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