OWON TDS Series - Manual (Page 60)

5.Advanced User Guidebook
55
Figure 5-12 Wave of Vamp cursor measurement
Carry out the steps below for the Frequency cursor measurement:
1. Press the Cursor button.
2. Select Source in the bottom menu; select ○ M in the left menu.
3. Select Type in the bottom menu; select Frequency in the right menu. Two blue
dotted lines displayed along the vertical direction of the screen, which indicating
L1 and L2.
4. Select Line in the bottom menu; select L1 in the right menu. The icon will
appear beside the dotted line of L1, represents you can turn the G knob to adjust
the position of L1. Select L2 to adjust the position of L2. Select L1&L2 to adjust
the two cursors together. The cursor measure window at the top right shows the
present position of two cursors and the absolute value of frequency difference
(see Figure 5-13).