Tracking mode
Select tracking mode, CH1 and CH2, CH2 and CH3, or all three channels to be set as tracking mode, if any one channel parameter changed, corresponding that the other channels will also be changed in proportion.
For example, set up the voltage and current of CH1 and CH2 to be CH1:4V, 1A; CH2:8V, 2A. Set CH1 and CH2 in tracking mode, in output off and Meter state, VFD will be shown as below: