ITech IT7900P Series User Manual page 88

Programming the load value (CC)
The user can press [Set] and set the input current value in the main interface of
CC mode. Directly set the present value through the knob or press numeric keys
to input the value. In case of wrong input by numeric keys, press
delete the present input.
7.3.2 Constant Resistance Mode (CR)
In the constant resistance mode, the AC electronic load is equivalent to the
constant resistance and will suck the current of linear ratio to the input voltage,
the current waveform is the same as the input voltage waveform, and PF is
constantly 1, as shown below.
Input
Voltage
Select CR mode
Press [Config] and enter to the configuration menu. Select constant mode to
CR.
V
Load Current
CR mode
Voltage-current Relation in CR Mode
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The Slope is R setting
I
Load mode Operation
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