otometrics madsen itera ii, Reference Manual

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• Press once more to send the input to each ear in the normal way. The
arrow disappears.
7.3.2 Speech in Noise
Adjusting the masking dB level
1. To adjust the masking dB level, use the LEVEL knob on the masking side
to select.
Switching masking noise to other ear
1. To toggle the masking noise to the other ear press
L <--> R
. This lets you switch the masking noise to the same side as
the speech signal.
An arrow appears, pointing to the ear to which the masking is to be presented.
Masking noise in both ears
Note
• Binaural masking is not possible in BC testing.
1. To transmit the masking signal to both ears, press and hold MASK ON and then press twice on L <--> R . To disable this
setting, press twice on L <--> R .
When the masking signal returns to normal (contralateral) masking (i.e. when you press
MASK OFF
or press
L <--> R
),
the arrow(s) disappears.
7.3.3 Binaural Speech with masking
1. To switch on masking noise, press
MASK ON
.
MASK LOCK
cannot be
selected.
2. By default, masking noise is transmitted to both ears, but you can select
the masking ear: press and hold
MASK ON
and press
L <--> R once
to
send the masking noise to the left ear only.
– Press
L <--> R once more
to send the masking noise to the right ear
only. This is how you switch between left and right ear.
– Press twice on
L <--> R
to send the masking noise to both ears.
7.3.4 Masking level for binaural Speech
1. Turn the
FREQUENCY
knob to set the masking dB level.
For a description of how to test a patient and record an audiogram, see Tone testing ► 61 .
Otometrics - MADSEN Itera II 73
7 Speech testing