It did it the 'proper' way.

Like any linux system, the empeg has a copy of the (compiled) timezone files in /usr/share/zoneinfo/. These files tell libc (the library responsible for time functions) how to interpret the system clock (UTC) for local display, based upon the current chosen timezone. The timezone files include such information as when the clocks go forward and back.
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Mk2a 60GB Blue. Serial 030102962 sig.mp3: File Format not Valid.