Welch Allyn SureSight Vision Screener - User Manual - Manual (Page 12)

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Laser safety: Class 1 Laser Product per CDRH 21CFR 1040.10 and
1040.11, IEC 825-1 (1996) pending and EN60825-1
(1996) pending
Patents: US 6,007,204 and Des. 413,979 and International
Patents Pending
Office illumination: Not for use in direct sunlight. Indoor operation only.
Materials: This product is latex free.
Electromagnetic FCC Part 15, Class A (USA)
Compatibility: This device complies with CFR 47 Part 15, Class A of
the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference
and
(2) This device must accept any interference
received including interference that may cause
undesired operation.