Open fittings in speechmap, Adjusting the maximum output level – Audioscan Axiom User Manual

Page 92

Advertising
background image

Axiom

®

User's Guide Version 1.8

May 2015

Adjusting the Maximum Output Level

See Speechmap screen choices for setup and audiometric data entry. See Using Speechmap.

1. Follow the instructions in Speechmap screen choices to enter audiometric data and select the fitting rule.

2. Click on

to select the third Speechmap test. The Test 3 box is outlined to indicate it is active.

3. Click on

to start this test. Once the test is started, click on the [Stimulus] list button to select the stimulus

type as MPO. When you start a new test, the speech envelope of the previous test may be automatically
hidden. See Speechmap Setup to change this behaviour. To change the default stimulus type and level see
Saving test setup.

4. In Test box mode, while the 90 dB sweep is being presented, adjust the hearing instrument's high-level gain

and/or output limiting (e.g. MPO, PC) so that the curve matches the + REAR90 targets (DSL) or approaches
but does not exceed the UCL estimates (*) at all frequencies.

5. Click on

to run and store a complete sweep. Repeat as necessary.

6. In On-ear mode, advise the client to point to the screen if a sound becomes too loud during the test (see Max

TM SPL setup). Click on

to run and record a single sweep. Adjust the gain and output for loud sounds as

for test box measures, factoring in client response.

Open fittings in Speechmap

On-ear mode should be used for open and vented fittings. There are no special real-ear SPL targets for open

92

Advertising