Transducer
Insert
Presents the stimulus through the insert earphones.
Phone
Presents the stimulus through the headphones.
High Frequency
Presents the stimulus through the high frequency headphones.
Routing
Left
Stimulus is routed to the left transducer.
Right
Stimulus is routed to the right transducer.
Test Options - SISI
Transducer
dB Step
This determines the dB step size for the intensity of the stimulus when presenting the tone
manually. Options are 1 dB, 2 dB, and 5 dB.
SISI dB Step
This determines the dB step size for the intensity of the stimulus when presenting the tone
automatically using the play button. Options are 1 dB, 2 dB, and 5 dB. Natus recommends
using a step size of 1 dB for testing.
SISI Stimulus Bar
A.
Intensity
B.
Stimulus indicator
C.
Transducer indicator
D.
Routing indicator
E.
Stimulus bar color
F.
Frequency
Intensity
Indicated by the dB level above the channel status bars.
•
The green wave symbol above the level indicates with two waves that the stimulus carrier tone is currently being
presented, and with three waves that the increment is applied.
Stimulus bar color
Indicates the routing for the channel:
•
Blue = left ear
•
Red = right ear
Stimulus, transducer and routing indicators
Indicates the stimulus type, the transducer and the routing for each channel.
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Madsen A450
2 Navigating in the Otosuite Audiometry module