Ensure that the jumpers at JP1 (CH1 Enable control), JP2 (CH2 Enable control) and JP3 (CH3 Enable control) is set from ON to OFF
Apply appropriate VIN voltage to VIN and GND terminals at J1
Set the jumpers at JP1 (CH1 Enable control), JP2 (CH2 Enable control) and JP3 (CH3 Enable control) to ON. The EVM enables the output voltages for each of the three channels.