RIGOL DM3068 - Manual (Page 30)

RIGOL Chapter 1 Quick Start
User’s Guide for DM3068 1-12
WARNING
In order to avoid electric shock or fire, please just use the specified fuse
and make sure the fuse holder is not short-circuited.
10. Voltage Selector
Select a proper voltage scale (115 V or 230 V) according to the AC supply used.
11. Power Switch
Connect or disconnect the AC supply. If the power button at the front panel is
disabled (
 System  Cfg  Switch  OFF), turning on this switch will
directly start up the multimeter.