The following tone is a reference tone of seven hundred cycles per second recorded at operating level
Set the playback level control so that the tone reads "zero" on the VU meter
All following tones will be at this level
[Beep]
Ten thousand cycles
[High pitched beep]
Thirty thousand cycles
[Dog barking]
Set the playback level control so that the tone reads "zero" on the VU meter
All following tones will be at this level
[Beep]
Ten thousand cycles
[High pitched beep]
Thirty thousand cycles
[Dog barking]
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