GDS-200 & GDS-300 Series User Manual 
98 
Signal Path Compensation 
 
Signal Path Compensation (SPC) is used to 
compensate the internal signal path due to 
ambient temperature and long term drift. SPC 
is able to optimize the accuracy of the 
oscilloscope with respect to the ambient 
temperature and signal drift. 
Ensure the scope has been warmed up for at 
least 10 minutes before performing signal path 
compensation. 
1.  From the Utility menu, press System>SPC. 
2.  Disconnect all probes/cables from CH1 & CH2 
when prompted and then press OK. 
  The calibration items will show 
sequentially at the bottom of the display. 
  “Calibration Successful!”, will be shown 
after each channel has been calibrated. It 
takes ~1minute per channel.