NEC ND-3550A User Manual page 2

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Laser Safety Information
This drive employs a laser. Do not remove the cover or attempt to service this device
when connected due to the possibility of eye damage.
CAUTION
Use of control of adjustments or performance of procedures other than those specified
herein may result in hazardous radiation exposure.
This label is located on top enclosure of this drive.
Laser Specification
(for CD)
Type : Semiconductor laser
Wave length : 783 nm (Typical at 25°C)
Output : 260 mW (Pulse width=50ns, Duty=50%)
(for DVD)
Type : Semiconductor laser
Wave length : 658 nm (Typical at 25°C)
Output : 280 mW (Pulse width=30ns, Duty=33%)
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