otometrics Madsen ZODIAC 901, Руководство пользователя

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in the former will be automatically used by Reflex
Decay.
Version 4.x Only Multi Curves: In Manual Reflex, select multiple curves or single
curve.
5.2.3 THRESHOLD
5.2.3.1 REFLEX
Stimulus Increments Stimulus
Increments: The following settings are available: 1, 2, 5, 10 dB
(Attenuation Steps).
Scaling Y -axis Scaling: Together with the Y -axis parameter, it is possible to
select numerous different reflex threshold
configurations. Here, it is possible to select 75, 150,
225, 300, 375
m
l of volume, or Auto.
If Auto is selected, the instrument will automatically
select the volume which displays the meas- ured
curve in the greatest detail.
Threshold Step Threshold Step: The following settings are available: 1, 2, 5, 10, 20, –1,
–2, –5, –10, –20 dB
Y–Axis Y –Axis: it is possible to select between Pos(itive), Neg(ative),
Pos/Neg and Auto.
If Auto is selected, the instrument will automatically
select whichever
Y –axis displays the meas- ured
curve in the greatest detail.
Use MEP Use MEP
(Press.C.): Selects whether automatic adjustment of MEP
(middle-ear pressure) is on or off. In Version 3.
x and
later, Pressure Control includes: Manual, Auto,
MEP+5, +10, +15, +20, +25, –25, —20, –15, –10, –5
daPa. When Auto is selected, an automatic offset to
MEP is calculated on the basis of Gradient and TW.
Leak Detect On/Off Leak Detect: On or Off
Add. Threshold
Add. Threshold:
None, 0, 5, 10 dB
Operation Manual 59
GN Otometrics SUPPLEMENTARY FUNCTIONS Chap. 5
ZODIAC 901 Middle-Ear Analyzer
SETUP
5.2