Does anyone know what the battery saver mode does?
Q. Does anyone know what the battery saver mode does? (In the eTrex Yellow.) Does it affect the details of tracking or route following? (I presume there’s some sort of compromise. Otherwise they would just turn it on permanently.) – Gerry A. The main thing that battery saver does is turn off the receiver for periods up to 5 seconds or so when it appears that you’re not moving, or travelling in a straight line at constant speed. If you start changing direction or speed, the firmware automatically reduces or eliminates the receiver-off periods. Since the track log algorithm automatically saves only infrequent points when you’re going in a straight line at constant speed, even in “normal” mode, I don’t know whether “battery save” would make any difference to the track. Where it *does* make a difference is in tracking satellites in weak-signal conditions like a forest. In battery saver mode, the receiver section has to re-lock to the satellite signals every time it’s turned on. It has a pr
