The other highly annoying artifact of the 596 constantly looping on a DVD's menu, I found, was that eventually the 596 would completely lock up, requiring a power cycle of the back panel switch to resolve.

Dan

Current: Anthem MRX300, B&W Matrix 804 Front L/R, B&W Matrix HTM Center, B&W Matrix 805 Surround L/R, PS3, Squeezebox v3, Popcorn Hour A100

Retired: 568.1, 562v2, 596, 558, DSP5000 Mk1 24/96, DSP5000C Mk1 24/96