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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.