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3.
INSTALLATION
3.1
Power Requirements
The Model VP-7721A can be operated from any power source supplying
100 V,
120 V,
220 V and 240 V
(nominal values) , 50 or 60 Hz.
Power
consumption is less than 40 VA.
-:— ---
WARNING ' --—*-
Before connecting ac power to the instrument, be sure it
is set for the proper mains voltage and is properly fused as
indicated on the rear panel.
(See the figure below)
NOMINAL
RANGE
100V
90-112V
120V
106-132V
220V
196-244V
240V
214-250V
Voltage selection switches
(shown set for 100 V)
3.2
Mains Voltage Selection
Refer to the figure above.
Set the NOMINAL VOLTAGE switches to the
setting (100 V,
120 V,
220 V or 240 V)
that corresponds to the mains
voltage to be used.
The voltage must be within the range noted at
the left side of the switches.
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