Deane,
Check the signal level on the recorder. It should not exceed about 50-percent of the VU meter reading. If it does it will distort. You can adjust the level by using the right or left arrow buttons on the front of the recorder.
Good Luck,
Gary

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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)