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25 26 27
32
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36 37
38
39
28 29 30 31
42
22. PHONES (R – L): n.2 6.35 mm stereo jack outputs for hookup of the DD45, TDH39,
HDA280 or Insert earphones.
23. INSERT: 6.35 mm stereo jack output for hookup of the insertion transducer for
sound masking
24. BONE VIBRATOR: 6.35 mm stereo jack output for hookup of the bone conductor unit
25. FREE FIELD (R – L): RCA outputs for ampli er hookup, required for performance of
tests operating in free eld mode
26. CD TAPE (EXT1 – EXT2): RCA inputs for connection of external source signals
27. TALK BACK: 3.5 mm stereo jack input for hookup of the patient microphone
28. T. OVER: 3.5 mm stereo jack input for hookup of the operator microphone
29. MONITOR: 3.5 mm stereo jack output for hookup of the monitor-headset
30. CONTRA: 6.35 mm stereo jack output for contralateral stimulation transducer
connection, during stapedial re ex detection testing (DD45, TDH39 or Insert)
Connectors and components
rear section
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