User Manual

Preparing to Capture Audio
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10. Use the Up and Down buttons in the Audio Hardware Calibration window to adjust the
calibration in 0.5dB increments.
The meters in the Audio tool should display around 0 VU.
11. Click Calibrate from the Audio Hardware Calibration window.
The Audio tool changes to Calibrate mode. The scales display a range of approximately
8 dB, and the meters indicate levels within this range.
12. Repeat this procedure for each channel.
To calibrate the audio output channels for Avid Nitris DX and Avid Mojo DX:
1. Connect the external meter or an oscilloscope to the analog outputs on the back of the Avid
Nitris DX or Avid Mojo DX.
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If you use a voltmeter or an oscilloscope to perform the calibration, the target calibration
voltage displays in the Voltage ptp and RMS area.
2. Double-click Audio Project in the Settings list of the Project window.
3. Click the Hardware tab.
4. Click Open Calibration window.
The Audio Hardware Calibration window opens.
5. If you need to adjust the tone level or tone frequency, click the Set button.
The Set Calibration Tone dialog box opens.
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You can also access the Set Calibration Tone dialog box from the menu in the Audio Tool
window.
6. Enter the new tone levels in dB and the new tone frequency in Hz.
7. Use the Up and Down buttons to adjust the calibration in 0.5dB increments.
The following are suggested professional settings:
- Monitor output: +4 dBu
- Analog output: +4 dBu
8. Click OK.
9. Select the interface you want to calibrate: Monitor output or Analog output.
Options vary depending on your Avid input/output hardware. You can calibrate only one
channel at a time.
10. Select the appropriate channel.
Channels vary depending on your Avid input/output hardware.