On VCSD7 main panel, click Preferences to open the Preferences dialog box.
![Fig 1 - Open VCS7 Preferences [main panel] Fig 1 - Open VCS7 Preferences [main panel]](//www.audio4fun.com/images/tutorials/VCS7/tut23-01.png)
In the Preferences dialog box, we will change Hook mode to Virtual Audio Driver mode.
- Check VadMode (1).
- Click the OK button (2) to apply the new settings and close the Preferences dialog box.

- Run CallCentric, and log in your account.
- Choose menu Options (1) >> Audio Tuning Wizard (2) to open settings dialog. (see fig 3)

In the Audio Tuning Wizard dialog box (see Fig. 4):
- In the Recording Device (1) section, choose Avnex Virtual Audio Device.
- Click Next (2) > Next > Finish.

- Please notice that you will need to restart the CallCentric application to apply the settings.
From now on, VCS Virtual Audio Driver will be the main audio driver recognized by Callcentric.
Open Voice Changer Software Diamond, choose the morphing effects for your voice, and make adjustments until you are satisfied with the output voice.
Click here to learn how to change voice using Voice Morpher feature.
>> Turn your voice into voice of Optimus Prime Robot in Transformer movie?
>> Or wanna make your voice sound like Darth Vader’s voice in Star Wars movie?
You now can record presentation with Callcentric. The morphing settings for your voice will be applied automatically.
Note: While VCS Virtual Audio Driver is being set as the audio driver for Callcentric, do NOT turn off VCS7 when recording via Callcentric. If you don’t want to use VCS7, change the audio settings of Callcentric back to normal audio source.