3 Using the Scope Functions  
40 Agilent U1602B/U1604B User’s and Service Guide 
This XY mode is useful in comparing the voltage levels of two waveforms 
point by point and study the frequency and phase relationships between 
the two waveforms. To enable the XY mode, follow the instructions below:
1 Enter the Scope menu by pressing the   button. 
2 In Scope menu, press F3 to access Delay submenu. 
3 On page 1/2, press F3 softkey to display a pull- up menu for the YT and 
XY time base selections. 
4 Select YT format for volts- versus- time display or XY format for 
volts- versus- volts display.
Figure 3-15 XY format display
Main/Zoom Mode
The Main mode is the normal viewing mode for the instrument. You can 
use the Main function to return to the view before magnification, where 
the horizontal scale factor would then return to its original level.