Vitalograph Spirotrac Instructions for Use
IFU Part No.: 07402
Issue 22
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Page 62 of 78
DT_0006-15
General settings
•
Keyboard shortcuts: Set up keyboard shortcuts for pure tone testing via the
dropdown menus.
•
Frequency selection: Enable or disable frequencies.
•
Set ‘Not heard’ when testing: Enable or disable the not heard symbol. When the
setting is enabled a symbol will appear in the audiogram when the subject does
not respond.
Manual hearing test settings
•
Start-up settings: Configure start-up settings for pure tone tests:
o
Select a start frequency within the range of 125 Hz to 8000 Hz
o
Select which ear to begin with during manual tests
o
Select the start hearing level within the range of -10 dB to 30 dB
•
Mouse cursor control: Enable or disable attenuator and frequency control via
the mouse.
•
Masking: Adjust the initial masking level.
Only available with Diagnostic device.
•
Key control: Enable or disable continuous tone and cursor settings for
frequency changes during manual tests.
•
Weber: Adjust the initial frequency and volume level.
Only available with
Diagnostic device.
•
Fixed tone length: Click the check box to set a fixed tone length of 0.3 – 2.5
seconds.
•
Masking assistant: Enable or disable the masking assistant. Based on
audiogram data for the opposite ear, the masking assistant advises when to use
masking.
Only available with Diagnostic device.
Automatic hearing test settings
•
Start up settings:
o
Select a default automatic test via the dropdown menu:
Standard device: - 20 dB test
Advanced and Diagnostic device:- 20 dB test, - 20 dB random
test, Hughson Westlake test, - xx dB test, - xx dB random test, -
Decrease 10 dB random test, - Decrease 5 dB random test.
o
Enable or disable notifications if a subject presses the response button
before a tone is presented.
o
Enable or disable automatic saving of test results if an automatic test is
cancelled before it is finished.
•
Settings:
o
Adjust tone lengths, response windows and intervals between tones in
automatic tests:
Tone length: 0.3 – 2 seconds
Response window: 1 – 7 seconds
Minimum random interval: 0 – 7 seconds
Maximum random interval: 0 – 7 seconds
o
Adjust start, maximum and minimum hearing levels for automatic tests.
o
For the Hughson Westlake test it is possible to switch between:
2 out of 3 required subject responses
3 out of 4 required subject responses
SISI test
Only available with Diagnostic device.
