Caroline: Let me try to answer a few of your questions. 1. Everyone should forget about the myth that there is a 30 second window in which you can change batteries. This may have been the case with older units, but this is not the case with newer units. I realize the manual claimed this for quite a while, but it was wrong and has been corrected. 2. D+E+F should be working for you, but obviously it isn't. We will look into this. 3. It is safe to assume that quite a bit more power is consumed when the unit is connected to the computer then when you are reading a text file. The specific performance you described is due to the way different batteries perform when they are getting low. Rob Meredith >>> carolinecongdon@xxxxxxxxx 04/17/06 10:13PM >>> Hi everyone. I'm curious about a couple of things. First, a couple of weeks back before I got my BP, someone wrote to the list saying that each time they replaced their batteries their settings were not retained although they changed the batteries in less than the 30 second time limit. I am also running into this situation, and have both times that I've changed my batteries so far. I hit D,E,F together to save the settings and hear nothing accept for the two beeps indicating that BP has turned off. I hold the unit in front of me without laying it down on a table so that none of the buttons are being pressed and remove the batteries. Before removing the old batteries I have the new batteries in my hand so that I can immediately put in the new set, but as soon as the new set is put in I hear the message "Defaults restored; book Port ready, version 2.2." Am I missing something somewhere? Unlike doing the 2,b command, removing and replacing the batteries even resets my clock to some strange time. I know I'm definitely doing the switch in less than 30 seconds. My second question relates to the transfer software and batteries. I am admittedly fairly clueless when it comes to power consumption but I've noticed something that seems sort of weird to me. If I have a fresh set of batteries in the unit and connect to the computer there seems to be very little battery loss. However, if my batteries are a bit lower, (tonight they were somewhere between 40 and 45 percent), and I plug in there seems to be a very significant battery drain. I was told after unplugging that my batteries were low and needed to be replaced, and the percentage was reported at 20 percent or so. Is there a particular reason for this or am I imagining things? Thanks in advance. Caroline Caroline Congdon; Milwaukee, Wisconsin Check out my blog at http://ccongdon.wordpress.com or add me to your Livejournal friends list with username tazcat mailto:carolinecongdon@xxxxxxxxx