User's Manual

20 Audio Calibration © Tait Electronics Limited 2005
Setup for
Unbalanced Line
In
To calibrate the unbalanced input and output lines
1. Ensure that the Calibration Kit PC is connected to the reciter.
2. Select the Reciter Calibration tab, and double-click Unbalanced Line
Calibration. The Unbalanced Line Calibration Wizard appears.
3. Attach an AC millivoltmeter to the unbalanced line output, and then click
Next.
4. Adjust the slider in the dialog box until the audio level on the millivoltmeter
reads 1 V
PP (0.354 VRMS) to calibrate the unbalanced line output, and then
click Next.
Note: Click Coarse to roughly adjust the audio level, and once you
get within range, click Fine for more precise control over the
settings. To move up or down 10 mV
PP, click either side of the
slider bar.
The unbalanced line output is now calibrated.
5. Connect the unbalanced output to the unbalanced input, and then click
Finish.
The unbalanced line input is now calibrated.
When you have finished calibrating the unbalanced lines, the icon on the
Reciter Calibration tab indicates that this task is complete.
1
3
5
6
4
2
1 Reciter 3 CTU 5 Unbalanced line input
2 25-way cable 4 System interface port 6 Unbalanced line output