HP RM500SL Manuel d'utilisateur télécharger pdf (Page 63)

0611 RM500SL User’s Guide Version 2.8 Page 63

15.5 RECD results

FastFacts 15.5: RECD results

The RECD measurement screen shows the response of the RECD transducer in

the real ear (pink) and in the 2cc coupler (green). The difference between these

curves is the RECD (cyan). An age-appropriate average RECD is shown for

reference (dotted). A negative RECD below about 1 kHz may indicate a poor seal

between the foam tip and the ear canal. A negative RECD above about 3 kHz may

indicate the foam tip is blocking the probe tube. See 15.2: RECD facts, 15.3:

RECD coupler response, 15.4: RECD real-ear response.

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HP RM500SL Manuel d'utilisateur Page 63