GDS-2000A Series User Manual 
244 
The calibration for Channel 1 starts and ends 
automatically, in less than 5 minutes. A 
message is displayed when the calibration 
procedure has ended. 
9.  Repeat the above step for Channel 2, 3* and 4* 
when prompted. 
*4 channel models only. 
10. When the calibration for all channels has 
completed, the display goes back to the default 
state. 
Probe Compensation 
 
1.  Connect the probe between the Channel 1 input 
and the probe compensation output (Demo 3 
output, by default set as 2Vp-p, 1kHz square 
wave) on the front panel. Set the probe 
attenuation to x10. 
2.  Alternatively, the probe compensation signal 
can be changed. See page 171 for details.