RIGOL 
           © 2008 RIGOL Technologies, Inc. 
Quick Guide for DS1000B Series 
8 
 
5.  After  pressing  the  RUN/STOP  button,  the  oscilloscope 
does not display any waveform on screen. 
Check  whether  the  Trigger  Mode  is  set  to  “Normal”  or 
“Single” and see whether the trigger level is out of the signal 
range. If yes, set the trigger level in proper range by turning 
the
  knob  or  pressing  the  50%  button.  Or  set  the 
Trigger  Mode  as  “AUTO”.  Moreover,  push  AUTO  button  to 
display the waveform on screen. 
 
6.  After  the  Acquisition  is  set  to  “Averages”  or  Display 
Persistence is set ON, the waveform refreshes slowly. 
It is normal in these settings. 
 
7.  The signal is displayed as ladder like waveform. 
(1)  The time base setting maybe is too slow. Turn the horizontal 
  knob  to  increase  horizontal  resolution  to  improve 
the display.   
(2)  Maybe the display Type is set to “Vectors”, and set it to “Dots” 
mode to improve the display. 
 
8.  Unable  to  connect  to  PC  or  the  PictBridge  printer  by 
USB˖ 
(1)  When  connected  to  PC,  if  the  message  “Unknown  device” 
appears  or  prompting  scanner  or  camera  was  found.  Press 
Utility to choose the I/O Setting menu, you may see the USB 
Device menu has been set to be “PictBridge”, you should switch 
it  to  “Auto  Detect”  or  “Computer”.  If  necessary,  restart  the 
oscilloscope. 
(2)  If  connecting  to  a  PictBridge  printer  or  the  printing  is 
unsuccessful, maybe the USB Device menu has been set to be 
“Computer”,  you  should  switch  it  to  “Auto  Detect”  or 
“PictBridge”. If necessary, restart the oscilloscope.