Interacoustics affinity 2.0 - Speech Testing with an External CD Player

Affinity
2.0
Additional Information Page 33
1.7.5.4 Speech Testing with an external CD Player
1) Connect the CD player to the CD1 or CD2 input under the hardware (the below illustration shows the
Affinity
2.0
hardware).
2) Open the AC440 software, go to the Speech screen
.
3) Choose CD1 or CD2 in the channel 1 list.
4) Play the calibration tone for your material through the CD player. Then adjust the input levels for the
CD player until you reach an average of approximately 0 dB VU on the VU meter
6
. You may also use
the CD player’s volume control to adjust the VU meter, should the control in the Suite not be sufficient.
5) When the VU meter is adjusted the CD input is ready for use. Perform the speech audiometry as
described in section 1.6.5.5.
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This function ensures that the VU meter is not adjusted by accident.
CD inputs