How do I change the volts on a stepper driver?

I finally put together my cnc machine. Now I have to measure the volts on the stepper driver and I'm supposed to get a reading of 0.60 or 0.55 on the multimeter. I'm only getting 0.06 though. Could someone tell me the possible problem? I was told that I have the red and black cords in the correct place. I... show more I finally put together my cnc machine. Now I have to measure the volts on the stepper driver and I'm supposed to get a reading of 0.60 or 0.55 on the multimeter. I'm only getting 0.06 though. Could someone tell me the possible problem? I was told that I have the red and black cords in the correct place. I need help.
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