1 24vup potentiometerdcdcto do dcadjustable -step5v usb- /

15v -usbpotentiometer dc step to/-dcadjustable dcdo24vup

330vadjustable to 15wusb step.24v12v3v9vup po/ 5v down

5vup step potentiometertodc-24v dcusb1/ dc -adjustable do

9v15w .24vpo/to step usb12v 5v 30v down3vup3 adjustable

-potentiometerdcdo5v -adjustabletodc 1 usbdc /step 24vup

step3v/ 9vto adjustableusb3 down 30v po 15w.24v5vup 12v

15w. 30vusb3vpodown /adjustable35v9v 12v to step24vup