Safety Information
Variable Attenuator 9
Electrical Safety Information
WARNING
To avoid electrical shock, do not operate the unit if there are signs
of damage to any part of the outer surface (covers, panels, etc.).
To avoid serious injury, observe the following precautions before
powering on the unit.
➤ If the unit is to be powered via an auto transformer for voltage
reduction, connect the common terminal to the grounded
power source pole.
➤ Insert the power cable plug into a power outlet with a
protective ground contact. Do not use an extension cord
without a protective conductor.
➤ Before powering on the unit, connect its protective ground
terminal to a protective conductor using the unit power cord.
➤ Do not tamper with the protective ground terminal.
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