To access the deeper "Software Protection" menu, for 2 seconds while the output is off. Turn the knob to scroll through these parameters:

To change a value, press the knob to select the digit and rotate to adjust. Long-press again to save and exit. 5. Calibration (Use with Caution)

Avoid connecting the "Input -" and "Output -" wires together. This will bypass the current sensing resistor and could cause the module to fail or lose current limiting capabilities.

This is a bit of a tricky one because the (a popular, low-cost CNC buck-boost converter module) is famous for arriving in a box with either no instructions or a very tiny, poorly translated manual.

Setting your limits is the most important part of using the ZK-5KX.

The interface consists of a digital encoder (the knob), two buttons ( and U/I ), and a clear LCD screen.