A very easy to understand and use manual. Well worth the money.
Text excerpt from page 2 (click to view)
XP-EV510/EV515
REVISION HISTORY
Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. 1.0 Date 2004.02 New Description of Revision