Operation Manual
ERO•SCAN
®
1
8106556 Rev. 11
69
13//08/2020
6.5 Configurations and Test Protocols
DPOAE Protocols
DEVICE
VERSION
NAME
NUM-
BER
OF
FREQ.
F2 FREQ.
[KHZ]
L1/L2
[DB SPL]
AVERAGING
TIME PER
FREQ
PASS
SNR
NUMBER
OF FREQ.
FOR PASS
Screen-
ing
DP 4s
4
2, 3, 4, 5
65/55
4 s
6 dB
3
DP 2s
4
2, 3, 4, 5
65/55
2 s
6 dB
3
Diag-
nostic
DP 4s
4
2, 3, 4, 5
65/55
4 s
6 dB
3
DP 2.0-5.0
4
2, 3, 4, 5
65/55**
4 s**
6 dB**
3**
DP 1.5-6.0
6
1.5, 2, 3,
4, 5, 6
65/55**
4 s**
6 dB**
0**
DP 1.6-8.0
12
1.6, 2, 2.5,
3.2, 3.6, 4,
4.5, 5, 5.6,
6.3, 7.1, 8
65/55**
4 s**
6 dB**
0
DP 1.5-12
12
1.5, 2, 3,
4, 5, 6, 7,
8, 9, 10,
11, 12
65/55**
4 s**
6 dB**
0
TEOAE Protocols
DEVICE
VERSION
NAME
NUMBER
OF FREQ.
F2 FREQ.
[KHZ]
AVERAGING
TIME PER
FREQ
PASS
SNR
NUMBER
OF FREQ.
FOR PASS
Screen-
ing
TE 64s
6
1.5, 2, 2.5,
3, 3.5, 4
64 s
4 dB
3
TE 32s
6
1.5, 2, 2.5,
3, 3.5, 4
32 s
4 dB
3
Diag-
nostic
TE 64s
6
1.5, 2, 2.5,
3, 3.5, 4
64 s
4 dB
3
TE1.5-4.0
6
1.5, 2, 2.5,
3, 3.5, 4
64 s**
4 dB**
3**
TE0.7-4.0
6
0.7, 1, 1.4,
2, 2.8, 4
64 s**
4 dB**
0**
** Customizable parameters:
L1/L2:
DP: 40 to 70 dB SPL
Average time:
DP: 0.5, 1.0, 2.0 or 4.0 s
TE:
4, 8, 16, 32 or 64 s
Pass SNR:
DP and TE: 3 dB to 10 dB
Number of Frequencies for PASS:
DP and TE: 0 (no PASS/REFER indication) to
Number of Frequencies of the corresponding
protocol
