P K A 8 7 O p e r a t i o n a l M a n u a l
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4) Select desired frequency with List (4) or Down of audiogram Chart Buttons (5) or
direct Click on the chart (6).
5) Change intensity with (7), or Left of audiogram Chart Buttons (8) or direct Click on
the chart (6).
6) Present tone b
y pressing the “Send” (3R), (3L).
7) Upper section of (17) is Right and Left stimulus indicators. (17)Lower part is
Patient response indicator.
8) Save
the threshold by pressing “Save” (9R), (9L).
Save in normally being simultaneously with Patient response.
9) Save the threshold after a question (10).
10
) Delete saved point by pressing “Clean” (11).
11) If did not complete liens, between store points, press
“Plot” (15).
3.7.3 Tone Switch area
Select what type of presentation you wish to
use either “Send” button or “Tone
Switch” area.
Click (16) button for activity
“Tone Switch” area. Signal will be a presentation tone,
each time is the
“Mouse Cursor” coming to the area (17).
3.7.3 Tone/Warble
For pure tone testing either pure tone or warble stimulation can be selected. Warble
presentation can be useful for subjects difficult to test such as children where the
clinician wants to vary the stimulation. Warble tones are additionally used for free
field testing. Pure tone or warble can be selec
ted by pressing “Tone Warble” (12).
