HP 54520 Series - Marker Menu Usage

Off On Sofikey 7-3
Source x1, yl Softkey 7-3
x1 Position Softkey 7-4
yl Position Softkey 7-4
Source x2, y2 Softkey 7-5
x2 Position Softkey 7-5
y2 Position Softkey 7-5
Markers and Measurements 7-5
Marker Menu