I want to make certain that I understand correctly regarding the statement "Turning auto power shut-off seems prudent if really long battery life is required." In the "Power down after" settings menu, is the "off" setting what should be selected to conserve power, rather than the various minute duration options? And is my understanding correct that those various minute durations, when any are selected, means that the PB's power will be turned off after those time periods (causing a PB shutdown) or will there be a power shutdown after there is no use of the reader (page turning) after those time durations? I hope I'm being sufficiently clear in my queries.
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