D-0100778 Rev C
79
Test Procedure
Select QuickSIN from the More Tests Menu
.
Select the proper transducer and intensity levels for each channel.
Using the Word Nav and front panel navigation buttons or an external
mouse, select the first sentence.
Press the present bar or click the first sentence.
Score the five key words highlighted in each sentence by pressing the
CORRECT or INCORRECT
button for each word repeated by the
patient.
NOTE:
Scoring preference options may be setup as defaults from the Config
App.
The
SNR
Loss score will appear in the SCORE/WORD window.
Select additional lists for testing if necessary
To interpret the
SNR
loss score see table below.
SNR
LOSS
DEGREE OF SNR
LOSS
EXPECTED IMPROVEMENT WITH DIRECTIONAL
MIC
0-3 dB
Normal / near normal
May hear better than normals hear in noise
3-7 dB
Mild SNR loss
May hear almost as well as normals hear in noise
7-15 dB
Moderate SNR loss
Directional microphones help; consider array mic
>15 dB
Severe SNR loss
Maximum SNR improvement is needed; consider FM system
