314 8163A/B, 8164A/B, 8166A/B User’s Guide
11 Installation and Maintenance
Safety Considerations
The 8163A/B Lightwave Multimeter System, 8164A/B Lightwave
Measurement System, and the 8166A/B Lightwave Multichannel System
are Safety Class 1 instruments (that is, instruments with a metal chassis
directly connected to earth via the power supply cable). The shown symbol
is used to show a protective earth terminal in the instrument.
Before operation, review the instrument and manual for safety markings
and instructions. You must follow these to ensure safe operation and to
maintain the instrument in safe condition.
Some 8164A/B Lightwave Measurement System and 8166A/B Lightwave
Multichannel System circuits are powered whenever the instrument is
connected to the AC power source. To disconnect from the line power,
disconnect the power cord either at the rear power inlet, or at the AC line
power source (receptacle). One of these must always be accessible. If the
instrument is in a cabinet, it must be disconnected from the line power by
the system’s line power switch.
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