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Welch Allyn MicroTymp 3 portable tympanometric instrument - User Manual User Manual

Page 18

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18

Completing a test

Welch Allyn MicroTymp3 portable tympanometric instrument

2.

Press the

button below the Liquid Crystal Display (LCD) to show the

current frequency. One of the screens shown below will appear.

3.

To switch to the other frequency, press both the

Right memory and

Left

memory buttons on the handle simultaneously until the desired frequency displays,
as shown below. Pressing the two memory buttons repeatedly toggles between
these two screens.

4.

Press the

button again to confirm the desired frequency. Either the

OPEN 226 or OPEN 1000 screen will display, as shown in step 2.

5.

Once you’ve confirmed the desired frequency, proceed with the test. Grasp the
subject's pinna. Pull gently back to straighten the child's ear canal (or up and back for
adults). See the image on the left below.

6.

While maintaining tension on the pinna, press the tip firmly against the ear canal
opening. See the image on the right below. Point the tip straight into the ear canal for
adults and slightly anteriorly for children.

Note

Time-out feature. The tympanometer automatically turns off 15 seconds after the
last test or button activation.

Note

The default frequency set at the factory is 226 Hz. To change the default
frequency to 1000 Hz, see the instructions at the end of this chapter.

TEST

-400

-200

0

200

2

0.5

0

1.0

1

GR

A

GR

C

PRESSURE - daPa

Ya - mmho

+200 Vea - cc

-400

-200

0

200

2

0.5

0

1.0

1

GR

A

GR

C

PRESSURE - daPa

Ya - mmho

+200 Vea - cc

R

L

-400

-200

0

200

2

0.5

0

1.0

1

GR

A

GR

C

PRESSURE - daPa

Ya - mmho

+200 Vea - cc

-400

-200

0

200

2

0.5

0

1.0

1

GR

A

GR

C

PRESSURE - daPa

Ya - mmho

+200 Vea - cc

TEST