What fuse ratings are required for the 8508A power input?

The power input fuse (F1) must be a Time delay HBC (High Breaking Capacity) fuse rated at 1.25 A at 250V, IEC 127 (UL/CSA) standard. The rear input current fuse (F2) must be a Fast acting HBC fuse rated at 1.6 A at 250V. Only use fuses with the specified amperage, interrupt, voltage, and speed ratings.