USING THE OTOWAVE
22
D-0115696-C (OM038)
– Otowave 302 Operating Manual
4.6.
DAILY CHECK
The operation of the Otowave should be checked daily using the 4-in-1-test cavity assembly supplied with the
instrument.
Select the
DAILY CHECK
option in the main menu and wait
until
INSERT PROBE
is displayed.
Insert the probe, without an ear tip, into the hole at the 2ml
end of the test cavity. Make sure that the probe is pushed
fully home and is held tight against the stop. The probe must
be square to the end of the test cavity.
The display should show the volume of the test cavity to
within ± 0.1ml.
Remove the probe, wait until
INSERT PROBE
is displayed
and repeat the test with the three remaining test cavities.
The display should show the volume of the 0.2ml, & 0.5ml
test cavities to within ± 0.1ml.
The volume of the 5.0ml test cavity should be shown within
± 0.25ml.
When the checks have been completed press
◄
to return to the main menu.
4.7.
DISPLAY MODE
To view the current selected test settings ensure that the
MAIN MENU
is
displayed and then press and hold the function button on the probe to
display the
TEST SETTINGS
screen as shown below.
1
Probe:
Frequency being used for tympanometry (226 or 1000 Hz).
2
Reflexes:
Ear sides tested (ipsilateral or contralateral).
3
Frequencies and
Level:
Selected frequencies for reflex testing (marked with a
when selected), max.
level to test and step size.
4
Probe #:
Serial number of probe used.
5
Contra #:
Serial number of contra phone calibrated to equipment.
2
3
1
4
5
