This is what you are referring to:
AC POWER: Your ADL 600 accepts a standard IEC cord. Note: The input power voltage is set at the factory to correspond with the country in which it was shipped. The main fuse is located above the IEC receptacle. (110-120V uses 3.5A , 220-240V uses 1.5A. Two additional fuses located on the power supply printed circuit board inside the chassis to protect the high voltage power supply are 200mA. All fuses are fast-acting 250VAC, 5mm x 20mm.