•
If required, select another stimulus type:
Warble
or
Pulsed
(an advantage when you test chil-
dren).
•
If you want to use a predefined duration of the signal presentation when you press the
Present Signal
button, press
Timed
.
•
If masking is required, select the appropriate masking type: Press
Contra Air
or
Mono Insert
.
See also
.
•
If required, turn the
Frequency
knob to set the starting frequency: Typical starting frequency:
1000 Hz.
The signal is usually presented for each tone in the following order:
1000 Hz and increasing frequencies
followed by
1000 Hz (cross check) and decreasing frequencies.
•
Set the initial level of the presented signal to an audible level: Turn the
Level
knob to
40 dB HL.
This is to familiarize the patient with the test signal. Other familiarization procedures may be
preferred.
•
Test the better ear first. If this is unknown, start with the right ear. Press
L<-->R
to select the
ear you wish to test.
•
Give the Patient Response switch to the patient and explain how it should be operated (see
).
Testing
1. Press the
Present Signal
button (right or left) to present the tone to the patient for 1 to 1.5
seconds.
2. Use the corresponding
Level
knob to set the intensity to approx. 20 dB above the patient's
presumed threshold.
If the patient does not respond to the presented signal, turn the
Level
knob to increase the
signal level in steps of 10 dB until the patient responds.
68
Otometrics - MADSEN Xeta
7 Testing a patient with MADSEN Xeta
Summary of Contents for Madsen Xeta
Page 1: ...MADSEN Xeta Reference Manual Doc No 7 50 0870 EN 17 Part No 7 50 08700 EN ...
Page 6: ...Index 103 6 Otometrics MADSEN Xeta ...
Page 26: ...3 Overview of MADSEN Xeta 26 Otometrics MADSEN Xeta ...
Page 44: ...4 Navigating in the OTOsuite Audiometry Module 44 Otometrics MADSEN Xeta ...
Page 54: ...5 Preparing for testing 54 Otometrics MADSEN Xeta ...
Page 66: ...6 MADSEN Xeta Test Settings 66 Otometrics MADSEN Xeta ...
Page 86: ...11 Unpacking and installing 86 Otometrics MADSEN Xeta ...
Page 88: ...12 Maximum non destructive voltage 88 Otometrics MADSEN Xeta ...
Page 94: ...14 Standards and safety 94 Otometrics MADSEN Xeta ...
Page 102: ...15 Technical specifications 102 Otometrics MADSEN Xeta ...