Using the Scope Functions 3
Agilent U1602B/U1604B User’s and Service Guide 57
Graticule
This instrument provides four selections types of graticule display. You can
select different grid shapes for the waveform display section. To select
graticule of the display, follow the instructions below:
1 Press button at the front panel to access the User menu.
2 Press F1 to access the Display submenu.
3 Press F3 on page 1/2 of the Display submenu to select any of the
following graticule:
• Full: 10 × 8 lines including grid
• Cross Hair: cross + sharp lines
• Grid: 10 × 8 lines
• Frames: Outer frame lines
Persistence
Infinite persistence updates the display with new acquisitions, but does
not erase the results of previous acquisitions. New acquisitions are shown
in the respective channel’s signal line color while all previous acquisitions
are displayed in a dimmer color. You can use this infinite persistence
function for the following purposes:
• measure noise and jitter
• observe the worst case of a varying waveform
• look for timing violations
• capture events that occur irregularly
To set infinite persistence, follow the instructions below:
1 Press button at the front panel to access the User menu.
2 Press F1 to access the Display submenu.
3 Press F1 on page 2/2 to enable the infinite persistence function. Turn
off the persistence by pressing F1 again.
4 Press F2 (Clear Display) on page 2/2 to clear and erase previous
acquisitions and restart the accumulation of acquisitions.
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