Hello. I have a bookport Firmware V2.1, where, whenever I change the batteries, all my settings are lost. The documentation claims that the settings should stay in memory for at least 30 seconds, to allow one to change batteries. However, I'm losing settings after having the batteries out for about 3-10 seconds. Is this a known problem for Firmware V2.1, and has it been fixed since then? Or, could it be a faulty unit? Any notes about others' experience would be great. -thanks -Brian