E4
3. PRECAUTIONS BEFORE OPERATION
3.1 Unpacking the Switched ModePower Supply
The instrument has been fully inspected and tested before shipping from the factory. Upon receiving the instrument,
please unpack and inspect it to check if there is any damages caused during transportation. If any sign of damage is
found, notify the bearer and/or the dealer immediately.
3.2 Checking the Line Voltage
The instrument can be connected to any of the line voltages shown in the table below. Before connecting the power
plug to an AC line outlet, make sure the voltage selector on the rear panel is set to the correct position corresponding to
the line voltage. The instrument might be damaged if connected to the wrong AC line voltage.
WARNING: To avoid electrical shock the power cord protective grounding conductor must be
connected to ground.
When line voltages are changed, replace the required fuses shown below.
Line voltage Range Fuse Line voltage Range Fuse
115V 97-133V T 10A 250V 230V 195-265V T 6.3A 250V
WARNING: To avoid personal injury, disconnect the power cord before removing the fuse
holder.
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