Madsen Zodiac User Manual page 42

User Guide
Threshold range:
Screening range:
THD:
Range:
Screening range:
Step size dB:
Decay range:
Temporal characteristics
Initial/terminal latency:
Rise/fall time:
Overshoot/Undershoot:
Notes:
1. Tolerance +120/-0 ms
Pulsed stimuli are used for ipsilateral Reflex Screening and Reflex Threshold testing.
Period:
Stimulus On time:
Stimulus Off time:
Rise/fall time:
42
500 Hz at 50 to 105 dB HL ± 3 dB
1000 Hz at 50 to 110 dB HL ± 3 dB
2000 Hz at 50 to 110 dB HL ± 3 dB *
4000 Hz at 50 to 100 dB HL ± 3 dB
* For probe tones above 226 Hz, artifacts may start to occur at levels above
105 dB HL
500 Hz at 70 to 100 dB HL ± 3 dB
1000 Hz at 70 to 105 dB HL ± 3 dB
2000 Hz at 70 to 105 dB HL ± 3 dB *
4000 Hz at 70 to 105 dB HL ± 3 dB
* For probe tones above 226 Hz, artifacts may start to occur at levels above
105 dB HL
< 5% for levels below 110 dB HL
< 10% for levels above 110 dB HL
BBN, LPN, HPN at 50 to 110 dB SPL * ±3 dB (* measured in calibration
coupler)
BBN at 50 to 90 dB SPL * ±3 dB (* measured in calibration coupler)
1, 2, 5, 10 dB
50 to 100 dB HL* (* artifacts may start to occur at levels above 95 dB HL in 0.5
cc)
Reflex Decay, Contralateral
Reflex Threshold and Screen-
ing
0 ms
250 ms
0 %
Characteristics for pulsed stimuli (ipsilateral)
Ipsilateral Reflex Threshold
and Screening
[1]
0 ms
[1]
250 ms
0%
120 ms
56 ms
64 ms
5.5 ms
Contralateral stimulation -
Probe tone > 226 Hz
0 ms
100 ms
0%
Otometrics - MADSEN Zodiac