Chapter 16 Troubleshooting    RIGOL 
MSO4000/DS4000 User’s Guide  16-3 
connected to the oscilloscope and PC (or PictBridge printer). 
(3)  If necessary, restart the oscilloscope. 
 
9.  The USB storage device cannot be recognized: 
(1)  Check whether the USB storage device can work normally.  
(2)  Make sure that the USB storage device being used is Flash type. This 
oscilloscope does not support hardware type USB storage device.  
(3)  Check whether the capacity of the USB storage device is too large. It is 
recommended that the capacity of the USB storage device being used with 
this oscilloscope is no larger than 8 GBytes. 
(4)  Restart the instrument and then insert the USB storage device to check it. 
(5)  If the USB storage device still cannot be used normally, please contact 
RIGOL.  
 
 
 
 
www.calcert.com sales@calcert.com1.800.544.2843
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