3 of 4
Medium Background Noise
(70dBA)
0.5
0.55
0.6
0.65
0.7
0.75
3M
Competitive Digital
3M
TM
System, Model C1060 with Noise Reduction,
Competitive Digital System with Noise Reduction.
Based upon test performed by independent laboratory
with limited sample.
Excellent
Good
3M is a trademark of 3M
Company.
High Background Noise
(80dBA)
0.3
0.38
0.46
0.54
3M
Competitive Digital
Fair
Poor
3M is a trademark of 3M
Company.
3M
TM
System, Model C1060 with Noise Reduction,
Competitive Digital System with Noise Reduction.
Based upon test performed by independent laboratory
with limited sample.
Summary of Contents for C860
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