Dell OptiPlex DCP Mode D'emploi page 12

Verify that the computer voltage is set correctly for your location (115 volts [V] in the
Americas, Japan, South Korea, and Taiwan and 230 V in most of Europe, the Middle
East, and the Far East).
or
&$87,21 7R KHOS SUHYHQW HOHFWULF VKRFN XVH RQO\ WKH SRZHU FDEOH SUR
YLGHG DQG HQVXUH WKDW LW LV SOXJJHG LQWR D SURSHUO\ JURXQGHG SRZHU VRXUFH
.
or
10 Setup and Quick Reference Guide
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