RIGOL  Chapter 1 Quick Start 
1-6  MSO4000/DS4000 User’s Guide 
To Connect to Power Supply 
 
This oscilloscope accepts two kinds of AC power supplies: 100-127 V, 45-440 Hz and 
100-240 V, 45-65 Hz. Please use the power cord supplied with the accessories to 
connect the oscilloscope to the AC power source via the power socket as shown in 
the figure below. Turn on the power switch. At this point, the oscilloscope is 
energized and the power key 
 at the lower-left side of the front panel is in 
breathing state. 
 
 
 
Figure 1-5 To Connect to Power Supply 
 
 
 
 
 
 
Power Socket 
Power Switch 
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