... PFT-52 4group alarm timer digital electronic timer 4group alarm timer Digital pill box timer Feature Four standard space ... please first install the battery in the cell slot.B.Clock settinga. holds down “SET” the key 3 ... , can choose any one of four groups to operate.b To press “SET” key, “Hour” position flash, ... setting,press “MODE”key, operation method as a,b.D. Cancels alarm To press “MODE” key, ...