A method of operating a digital television decoder is disclosed. The decoder includes a memory, the memory storing onboard software, and the decoder is operable in a run mode to execute the onboard software. The method comprises: activating a power saving mode on the decoder; and upon activating the power saving mode: maintaining power to the memory; suspending execution of the onboard software; acquiring an execution context of the onboard software; updating the execution context of the onboard software to form an updated execution context; and saving the updated execution context in the memory.