© 2006 GpsGamePlay.com.
All Rights Reserved.
Summary: off so the unit switches to battery power. At night it is convenient to leave the display light on but the un-neccessary power drain on the 2 AA's is to put it kindly somewhat draining. Also noticed that the vertical accuracy of the 310 has significantly more variance than the horizantal. MAPPING SOFTWARE
Image Dimensions: 640 x 480
Image originally found here.