1
Cooling window
2
RS232 communication interface
3
USB communication interface
4
Remote measurement terminal
5
110V/220V AC power selection
switch and Fuse
2.2 Preliminary Checkout
The following steps help you verify that the power supply is ready for use.
2.2.1 Check the list of supplied items
Verify that you have received the following items with your power supply, if anything is
missing, contact your authorized supplier.
1. Power cord
2. User manual
3. Calibration report
4. Certificate
2.2.2 Power on Pre-check
Before operation the power supply, please read the following safety guide:
Warning
：
The AC input voltage is 110V or 220V; please check the switching at the
bottom of the power supply, to make sure it matches the voltage in your
city. Otherwise, the power supply may be damaged.
Warning
：
The power supply provides a three-wire power cord; you should plug it
to a three cord junction box. You should also make sure the power supply is
well grounded.
Warning
：
The connection wire should have enough current capacity that it can
bear the max rated current/short current of the power supply and not get
USER MANUAL
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