RIGOL    Chapter 6 Troubleshooting 
 
DS1000B Service Guide 
6.  The display speed becomes slow when average acquisition mode is 
turned on: 
Normal phenomenon. 
 
7.  The display of waveform is ladder-like: 
(1)  Normal phenomenon. The horizontal time base might be too low. Increase 
the horizontal time base to increase the horizontal resolution and improve 
the display.  
(2)  If the display Type is Vectors, the lines between the sample points may 
cause ladder-like display. Set the display Type to Dots to solve the problem. 
 
8.  Unable to connect to PC or the PictBridge printer by USB: 
(1)  If “Unknown device” is displayed or the PC prompts that scanner or camera is 
found when connecting to the PC, USB Device in I/O Setting under 
Utility might be set to PictBridge. Please switch it to Auto Detect or 
Computer. If necessary, restart the oscilloscope. 
(2)  If PictBridge printer connection fails or the printer cannot work normally, 
USB Device in I/O Setting under Utility might be set to Computer. 
Please switch it to Auto Detect or PictBridge. If necessary, restart the 
oscilloscope.