Chapter 1 Quick Start    RIGOL 
DG4000 User's Guide 
To Replace the Fuse 
 
To replace the fuse, please use the specified fuse and follow the steps below. 
 
1.  Turn off the instrument, cut off the power supply and remove the power cord. 
2.  Use a small straight screwdriver to prize out the fuse seat.  
3.  Take out the fuse. 
4.  Replace the old fuse with a specified fuse. 
5.  Install the fuse seat again. 
 
Figure 1-8 To Replace the Fuse 
 
 
 
To avoid electric shock, please make sure that the instrument has been 
turned off and the power supply has been cut off before replacing the 
fuse. Besides, please make sure that the fuse to be installed meets the 
requirement. 
 
 
 
 
Fuse Seat 
Fuse