Interacoustics Sera - Switching the Sera on and off; Testing during charging; Battery charge status indicator

D-0114042-D – 2020/03
Sera™ - Additional Information Page 26
DPOAE protocols
The Sera
TM
device is delivered with one default DPOAE protocol (D00 2-5kHz, 3_4, SNR 6 dB). The
protocol on the device can be changed and additional protocols can be added to Sera
TM
through the
HearSIM
TM
software.
The available protocols are:
Protocol name
Parameters
Algorithmic
sensitivity
D00 2-5kHz, 3_4, SNR 6 dB
Test frequencies(f
2
):
Stimulus level (L
1
/L
2
):
Stimulus tolerance:
Ratio f
2
/f
1:
Noise rejection level:
Max test time:
DP detection criteria
Min DP level:
SNR:
DP reliability:
DP stability:
# frequencies for a pass:
2, 3, 4, 5 kHz
65/55 dB SPL
±7 dB
1.22
30 dB SPL
60 seconds
-5 dB SPL
6 dB
98.3%
±2 dB
3 / 4
> 99.6%
D01 1.5-4kHz, 3_4, SNR 6 dB
Test frequencies(f
2
):
Stimulus level (L1/L2):
Stimulus tolerance:
Ratio f
2
/f
1:
Noise rejection level:
Max test time:
DP detection criteria
Min DP level:
SNR:
DP reliability:
DP stability:
# frequencies for a pass:
1.5, 2, 3, 4 kHz
65/55 dB SPL
±7 dB
1.22
30 dB SPL
60 seconds
-5 dB SPL
6 dB
98.3%
±2 dB
3 / 4
> 99.6%
D02 1.5-6kHz, 3_5, SNR 6 dB
Test frequencies(f
2
):
Stimulus level (L1/L2):
Stimulus tolerance:
Ratio f
2
/f
1:
Noise rejection level:
Max test time:
DP detection criteria
Min DP level:
SNR:
DP reliability:
DP stability:
# frequencies for a pass:
1.5, 2, 3, 4, 6 kHz
65/55 dB SPL
±7 dB
1.22
30 dB SPL
60 seconds
-5 dB SPL
6 dB
98.3%
±2 dB
3 / 5
> 99.6%
D03 2-5 kHz, 65_55 dB SPL,
IEC
7
Test frequencies(f
2
):
Stimulus level (L1/L2):
2, 3, 4, 5 kHz
65/55 dB SPL
> 99.6%