Unitron Moxi 2, Руководство пользователя

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6
Choosing the correct coupling for standard xReceivers
Determine the correct dome size based on your otoscopic examination of the ear canal.
Select the dome type based on the audiometric requirements and fitting ranges shown on this page.
Allow the dome to fit comfortably in the ear canal.
Open dome
Choose for:
•
Instant fit
•
Open fit
Considerations:
•
Occlusion free
Closed dome
Choose for:
•
Instant fit
•
Semi-occluded fit
Considerations:
•
Extended fitting
range over open
dome
•
Some occlusion
Power dome
Choose for:
•
Instant fit
•
Occluded fit
Considerations:
•
Extended low-
frequency response
•
Occlusion
Sleeve mold
cShell
Choose for:
•
Custom fit
•
IntelliVent technology
Considerations:
•
Comfort
•
Possible occlusion
•
Impression required
Poor fit
(dome too
small)
Good fit
250 500 1000 2000 4000 8000
-10
0
10
20
30
40
50
60
70
80
90
100
110
120
Hz
Open dome
Closed dome
Power dome/sleeve mold