B. Status indicator
Reflex
Indicates that a reflex test is in process.
Remove
Indicates that a test is finished and the probe can be removed from the ear.
C. Softbutton selections
Press the softbutton to toggle the selections shown above the button.
D. Tympanogram
The tympanogram shows the graph of the middle ear compliance as a function of pressure.
•
The X-scale represents the pressure in daPa.
•
The Y-scale represents the compliance in equivalent volume of air in ml.
E. Reflex table
The reflex table shows the ear’s reflex response to the five test tones.
•
The X-scale shows the progress of the deflection curve.
•
The Y-scale indicates if a change in compliance greater than 0.05 ml is detected and a reflex is considered present.
6.1
Softbutton functions
Softbuttons below the screen
Probe: Left
or
Probe: Right
Press this button to select the ear on which you wish to perform the test:
Left
or
Right
.
Stim: Ipsi
or
Stim: Contra
or
Stim: Ipsi/Contra
(
Stim: Contra
or
Stim: Ipsi/Contra
- T840
only)
Press this button to select ipsilateral or contralateral reflex testing, or both. You can also
deselect reflex testing.
View: Ipsi
,
View: Contra
or
View: Both
(
View: Contra
and
View: Both
- T840 only)
Press this button to select whether to show ipsilateral, contralateral or both meas-
urements on the display.
Current ID
Press this button to browse between saved measurements and available storage slots in
the integrated memory. You can save up to 200 measurements.
Measurement IDs are numbered from 1 to 200. If the memory is full, you can use the Oscil-
la®AudioConsole software, if available, for storing more measurements.
13
User Guide
Inmedico A/S - T830/T840