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WARNING
CAUTION
CAUTION
CAUTION
CAUTION
CAUTION
Keysight N4391B Optical Modulation Analyzer Getting Started Guide
Using controls or adjustments or performing procedures other than those
specified in the documentation supplied with your equipment can result in
hazardous radiation exposure.
This product complies with over-voltage Category II and Pollution Degree 2.
Ventilation requirements: When installing the product in a cabinet, the
convection into and out of the product must not be restricted. The ambient
temperature (outside the cabinet) must be less than the maximum operating
temperature of the product by 4 °C for every 100 watts dissipated in the cabinet.
If the total power dissipated in the cabinet is greater than 800 watts, then forced
convection must be used.
Install the instrument so that the power cords are readily identifiable and is
easily reached by the operator. This is how the instruments are disconnected.
They disconnect the mains circuit from the mains supply before other parts of
the instrument.
Alternatively, an externally installed switch or circuit breaker (which is readily
identifiable and is easily reached by the operator) may be used as a
disconnecting device.
Always use the three-prong AC power cords supplied with this instrument.
Failure to ensure adequate earth grounding by not using these cords may cause
instrument damage.
This instrument has autoranging line voltage input. Be sure the supply voltage is
within the specified range.
Introduction
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