HP 8568B Installation And Verification Manual page 38

Spectrum analyzer includes option 001, option 400, option 462, and option 857
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Warning
injury. Before turning on the HP 8568B, you must connect its
protective earth terminals to the protective conductor of the
main power cable. Insert the main power cable plug only into a
socket outlet that has a protective earth contact. DO NOT defeat
the earth-grounding protection by using an extension cable,
power cable, or autotransformer without a protective ground
conductor. If you are using an autotransformer, make sure its
common terminal is connected to the protective earth contact of
the power source outlet socket.
Warning
Power is still applied to this instrument with the m switch
in STANDBY. There is no Off position for the m switch. lb
remove power from the instrument, it is necessary to remove the
power cable from the rear of each instrument section.
Warning
Because the combined weight of the instrument sections is
approximately 112 pounds, use appropriate caution when moving
or installing.
Caution
Before switching on this instrument, make sure it is adapted to
the voltage of the ac power source as described in the following
procedures. 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.

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