14 User’s and Service Guide
E4438C Option SP2
Safety and Regulatory Information
WARNING
If this product is not used as specified, the protection provided by the
equipment could be impaired. This product must be used in a normal
condition (in which all means for protection are intact) only.
Cautions
CAUTION
The CAUTION notice denotes a hazard. It calls attention to an
operating procedure, practice, or the like, which if not correctly
performed or adhered to, could result in damage to the product or loss of
important data. Do not proceed beyond a CAUTION notice until the
indicated conditions are fully understood and met.
Cautions applicable to this instrument are:
CAUTION
Always use the three-prong ac power cord supplied with this
instrument. Failure to ensure adequate earth grounding (by not using
this cord) can cause instrument damage.
CAUTION
This instrument has autoranging line voltage input; be sure the supply
voltage is within the specified range.
CAUTION
Ventilation Requirements: When installing the instrument in a
cabinet, the convection into and out of the instrument must not be
restricted. The ambient temperature (outside the cabinet) must be less
than the maximum operating temperature of the instrument by 4 °C for
every 100 watts dissipated in the cabinet. If the total power dissipated
in the cabinet is greater than 800 watts, forced convection must be
used.
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