
Eye-Diagram Analyzer Reference
Using Markers
Using Markers      Use this menu to activate the four available line markers: X1, X2, Y1, and Y2. 
Markers allow you to measure or compare portions of the displayed waveform. 
For example, you can use markers to measure the peak-to-peak difference  in a 
laser’s turn-on time as measured on the eye-diagram’s crossing point. 
Use the front-panel knob or numeric keypad to position each displayed 
marker on the screen. Notice that the value  at the marker is displayed on the 
top portion of the screen. To turn the markers off, simpl y press MARKERS 
OFF.