NF DP420LS Instruction Manual page 197

4. Advanced Operation
 Operation procedure
1. Press the MENU key to move to the root menu, then select [System]. The system setting
window opens.
2. In the [PwON Output] item, select [2:ON] or [1:OFF]. When you select [ON], the automatic
output-on at power-on is enabled.
178 PROGRAMMABLE AC POWER SOURCE