Quote:
Originally Posted by banjobama
If you just put the reader on standby, it will not preserve the battery as well as if it was actually turned off. I'm not sure why.
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"Why" is very simply because the device is still running - all you've done is to blank the screen and lock most of the button. The operating system is still running; the CPU and memory are still consuming power. Not much, to be sure, but a small amount.