Agilent Technologies 11974 Series User Manual page 152

Preselected millimeter mixers
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CAUTION
This product is designed for use in Installation Category II and Pollution
Degree 2 per IEC-1010 and IEC-664 respectively.
CAUTION
Before this instrument is switched on, make sure its primary power circuitry
has been adapted to the voltage of the ac power source. Failure to set the ac
power input to the correct voltage could cause damage to the instrument
when the ac power cable is plugged in.
Always use the three-prong AC power cord supplied with this product. Failure
CAUTION
to ensure adequate earth grounding by not using this cord may cause product
damage.
CAUTION
Before switching on this instrument, make sure that the line voltage selector
switch is set to the voltage of the power supply and the correct fuse is
installed.
CAUTION
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.
Compliance with German Noise Requirements
This is to declare that this instrument is in conformance with the German Regulation on
Noise Declaration for Machines (Laermangabe nach der Maschinenlaermrerordnung
− 3.GSGV Deutschland.)
Acoustic Noise Emission/Geraeuschemission
LpA <70 dB
Operator position
Normal position
per ISO 7779
Chapter 5
Safety and Regulatory Information
General Safety Considerations
LpA <70 dB
am Arbeitsplatz
normaler Betrieb
nach DIN 45635 t.19
151

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