Audioscan Verifit 2 Manuel d'utilisateur télécharger pdf (Page 74)

Verifit

User's Guide Version 4.2 © June 2015

3. Select a stimulus type from the list box.

4. Select a stimulus level from the list box.

5. Click [Start test]

6. Click to capture the comparison curve once the noise reduction function has responded.

On-ear manual control

1. Refer to On-Ear Measures - Setup to prepare the system for use and for proper positioning of the client and

the probe tube.

2. Right-click the mouse to raise the Home prompt and select [Manual control] under On-ear.

3. Click the Level window, then select the desired stimulus level from the drop-down list.

4. Click the Frequency window, then select the desired frequency from the drop-down list. (Distortion

measurement data is available only from 200-2500 Hz.)

5. Click [Start test] to start the test. [Start test] changes to [Stop Test]. To stop the measurement, click [Stop

test]. You may change Level and Frequency without stopping the test.

Sound level meter using on-ear microphones

The manual control feature enables the Verifit to be used as a sound level meter to perform C-weighted, A-

weighted or 1/12th octave analysis of sound as measured by the probe and reference microphones. A and C-

weighted measurements are limited to frequencies above 100 Hz and the averaging time and update rate are 384

ms.

1. Refer to On-Ear Measures - Setup to prepare the system for use and for proper positioning of the client and

the probe tube.

2. Right-click the mouse to raise the Home prompt and select [Manual control] under On-ear.

3. Click the Level window, then select 0 dB stimulus level from the drop-down list.

1 2 ... 69 70 71 72 73 74 75 76 77 78 79 ... 155 156

Pas de commentaire

Audioscan Verifit 2 Manuel d'utilisateur Page 74