Rigol DS1000CA Series Quick Manual page 14

RIGOL
the ground alligator clip to the probe compensation ground
terminal. Press CH1, and set the attenuation coefficient of the
probe to 10X. Then press AUTO.
(2) View the waveform displayed on the screen and compare it with
the followings.
Over Compensated
(3) If necessary, use a non-metallic driver to adjust the variable
capacitor of the probe until the displayed waveform is as the
"Correctly compensated" in the figure above.
(4) Repeat the above steps if necessary.
2． Connect the BNC
Insert the BNC cable to the BNC conector on the front panel of
the oscilloscope, rotate it clockwise to lock the BNC.
xii
Correctly Compensated Under Compensated
Quick Guide for DS1000CA