Conceptronic CUPS1200 Handbuch Seite 18

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II: Connect to Utility and Charge
Plug in the AC input cord to the 2-pole, 3-wire grounded wall outlet. For the
best results, we suggest charging the battery at least 6 hours with no load (no
electrical devices such as computers, monitors, rtc.) connected before initial
use. The unit charges its battery while connecting to the utility.
III: Connect the Loads
Plug in the loads to output receptacles on the rear panel of the UPS. Simply
turn on the power switch of UPS unit, and devices connected to the UPS will
be protected by UPS unit.
Do not attach a power strip or surge suppressor to the UPS.