It didn't make that maddening sound for more than a year after purchase. I originally thought I had tinnitus and thought I was going crazy. It wasn't until I had a co-worker come over and help me figure out the sound that I discovered it was the calc...
Completely agree. Love the touch of this model but the sleep mode is unneeded. Worse yet, is that the sleep mode activates the high pitch squealing sound that's loud enough to drive one mad. It didn't make this sound for about a year plus after purch...
