Scientific
PSD7303 9/42
Safety Considerations
To ensure that the instrument can work normally, please conduct
necessary inspection before using the PSD7303A/7303B
Input Power Requirement
The PSD7303A/7303B allows a 50Hz/60Hz frequency, and four levels of AC
power: 100V/120V/220V/230V. You can select wanted power voltage with
the “DIP Switch” at the rear panel according to the actual demand.
Electrical Check
Please use the power cord provided as accessory and connects the
instrument to AC power. Check the power as the following steps.
1. Connect the power supply
2. Turn on the power switch
Press the button POWER to enter boot interface, and system return to
the default settings after a while.
To switch to the wanted power voltage, please disconnect the
power cord first.
Warning
Warning
To avoid electric shock, please make sure that the instrument is
grounded correctly.
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