A recorder’s harmonic-distortion specification reads 2% third harmonic of a 100-kHz signal at 60 ips. What does this mean?

A recorder’s harmonic-distortion specification reads 2%  third harmonic of a 100-kHz signal at 60 ips. What does this  mean?
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Answer :

The recorder has 2% third-harmonic distortion of a 100-kHz  signal at 60 ips.
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