Path medical Senti, User Manual

Page: 17 / 44

Page 17 / 44
- Test preferences
(e.g. BC symbol representation, speech calibration)
For further information about device settings please see device online help (see section
3.2: Online
Help ) on the “Settings” screen and its submenus.
3.5.4 Hardware Tests
The main device functions can be tested with the “Functional Checks” option.
The device self-test examines several device properties as internal power supply, codec
function, and memory integrity. If a device property is correctly working, a green
checkmark icon is shown. Otherwise a red “x” icon is shown. If not all device properties are
tested successfully (i.e., not only green checkmarks), please contact your distributor.
The probe test examines ear probe functionality. Please use either the red test cavity
(test
cavity for probe tip A)
for testing the large probe tip or the blue test cavity
(test cavity for probe tip
S)
for testing the small probe tip. Do not use other combinations. The probe test either results in a
pass (probe OK) or in one of the error messages shown in Table 3 . Please follow the recommended
actions for troubleshooting mentioned in Table 3 .
Error message Recommended actions for troubleshooting
No probe found Check if the ear probe is properly connected to the device.

If not, connect the ear probe to the device.
Probe failed 1) Check if the ear probe is placed in the correct test cavity.

If not, use the correct test cavity provided with the ear probe.
2) Check if the calibration curves* are within the upper and lower tolerance
limit markers or if both of the calibration curves* are smooth lines.

If not, make sure to use the correct test cavity and check if one or both
channels of the probe tip are clogged. If so, change or clean the probe tip.
* For EP-TE ear probes only one channel is available and hence only one curve is shown
Table 3: Probe test error messages and recommended actions
If the recommended actions in
Table 3 or in the online FAQ (www.pathme.de/support/faq) do not
help in solving the problem, please contact your distributor.
The pump unit test examines the functionality of the pneumatic system of Sentiero
Desktop or of the tympanometry add-on connected to Sentiero or Sentiero Advanced. If
the pump unit test fails (red icon), please contact your distributor.
The volume calibration of the device (“tymp calibration”) shall be checked regularly with
the probe fitted to the calibration cavities. The functionality of the device shall also be
checked on an ear known to produce a normal, peaked tympanogram (e.g. to ensure the pump is
operational and its tube is not blocked).