OM033-4 - CA850 Series 5 Operating Manual
TABLE OF CONTENTS
1 INTRODUCTION ............................................................................................................................................ 1
1.1 INTENDED APPLICATIONS ....................................................................................................................................................1
1.2 UNPACKING INSTRUCTIONS .................................................................................................................................................1
1.3 WARRANTY CARD (UK CUSTOMERS ONLY) ............................................................................................................................1
1.4 STANDARD CONTENTS ........................................................................................................................................................1
1.5 OPTIONAL ACCESSORIES .....................................................................................................................................................1
2 IMPORTANT SAFETY INSTRUCTIONS ............................................................................................................. 3
2.1 PRECAUTIONS ...................................................................................................................................................................3
2.2 ELECTROMAGNETIC COMPATIBILITY (EMC) CONSIDERATIONS ..................................................................................................3
2.3 MAINS SUPPLY OPERATION .................................................................................................................................................3
2.4 AUDIOMETER CONNECTIONS ...............................................................................................................................................4
2.5 DATA TRANSFER TO A PRINTER OR USB DEVICE ......................................................................................................................4
2.6 DATA TRANSFER TO A COMPUTER .........................................................................................................................................5
2.7 DISPOSAL INFORMATION ....................................................................................................................................................5
3 USING THE AUDIOMETER (OVERVIEW) ......................................................................................................... 6
3.1 FRONT PANEL LAYOUT ........................................................................................................................................................6
3.2 SWITCHING THE AUDIOMETER ON AND OFF ...........................................................................................................................6
3.3 TESTING THE PATIENT RESPONSE SWITCH ..............................................................................................................................7
3.4 USING THE TALKOVER FUNCTION .........................................................................................................................................7
3.5 TEST TYPES AVAILABLE ........................................................................................................................................................7
3.6 USING AUDIOMETRIC DATA .................................................................................................................................................8
4 AUDIOMETRY PREPARATION ........................................................................................................................ 9
4.1 AMBIENT CONDITIONS ........................................................................................................................................................9
4.2 TEST SYSTEM ARRANGEMENT ..............................................................................................................................................9
4.3 HEADSET ..........................................................................................................................................................................9
4.4 PATIENT INSTRUCTIONS ......................................................................................................................................................9
5 SEQUENCE OF OPERATION AND SUGGESTED TEST PROCEDURE ................................................................. 10
5.1 PATIENT DATA ENTRY ...................................................................................................................................................... 10
5.2 MANUAL TESTING ........................................................................................................................................................... 10
5.3 BEKESY AND COMPUTER TESTING ...................................................................................................................................... 10
5.4 MIXED MODE TESTING .................................................................................................................................................... 11
5.5 REVIEW RESULTS ............................................................................................................................................................ 11
5.6 OPERATIONAL DIAGRAM .................................................................................................................................................. 11
5.7 OPTIONS FOR DATABASE MANAGEMENT AND CONTROLLING THE TEST .................................................................................... 11
5.8 ENTERING PREVIOUS DATA AND PERFORMING A NEW TEST .................................................................................................... 11
6 ERROR HANDLING & TROUBLESHOOTING .................................................................................................. 12
6.1 NO RESPONSE FROM PATIENT .......................................................................................................................................... 12
6.2 CONTINUAL RESPONSE FROM PATIENT .............................................................................................................................. 12
6.3 INCONSISTENT RESPONSE FROM PATIENT ........................................................................................................................... 12
6.4 ERRORS IN TEST SEQUENCE .............................................................................................................................................. 12
7 OPERATIONAL DIAGRAM ............................................................................................................................ 13
8 AUDIOMETER OPERATING MODES ............................................................................................................. 14
9 TEST MODE ................................................................................................................................................. 15
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