Keysight N4372E Lightwave Component Analyzer User’s Guide
15
Introduction
1
Laser Safety Information
WARNING
Please pay attention to the following laser safety warning:
Under no circumstances look into the end of an optical cable attached to
the optical output when the instrument is switched on. The laser
radiation can seriously damage your eyesight. Do not enable the laser
when there is no fiber attached to the optical output connector. The
optical output can be enabled by pressing the “active” button close to
the optical output connector on the front panel of the module, by GUI, or
by remote command. The optical output is emitting laser light when the
green LED above the optical output, on the front panel of the instrument
is lit. The built-in laser diode is active whenever the instrument is
powered on, therefore disabling the output is not sufficient to establish
eye safe conditions. The use of optical instruments with this product will
increase eye hazard. The laser module has a built-in safety circuitry
which will disable the optical output in the case of a fault condition. Refer
servicing only to qualified and authorized personnel.
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