LeCroy DDA 7 Zi series, Operator'S Manual

Page: 111 / 544

Operator's Manual
WP700Zi-OM-E-RevA
110
6. Use the Auto-Scroll buttons at the right of the Multi-Zoom dialog to control the zoomed section of your
waveforms:
Turning Off Multi-Zoom
1. On the menu bar, touch Math Math Setup .
2. Touch the Multi-Zoom On checkbox to turn off Multi-zoom.
Persistence Setup
The Persistence feature helps you display your waveform and reveal its idiosyncrasies or anomalies for a
repetitive signal. Use Persistence to accumulate on-screen points from many acquisitions to see your signal
change over time. The instrument persistence modes show the most frequent signal path "three-dimensionally" in
intensities of the same color, or graded in a spectrum of colors.
You can show persistence for up to eight inputs for any channel, math function, or memory location (M1 to M4).
Setting Up Persistence
1. Touch Display Persistence Setup on the menu bar.
2. Touch the Persistence On checkbox.
If you want to
set up
persistence for:
Follow these steps:
all input channels
at once
1. Touch the All Locked button .
2. Touch one of the mode buttons .
3. Touch the Show last trace checkbox if you want the last trace displayed.
4. Touch inside the Saturation data entry field and enter a whole number integer, using the
slider bar at the bottom of the window. Click the keypad button on the slider bar
to enter a value using the pop-up numeric keypad. For more information on saturation,
see the
Saturation Level topic.
5. Touch inside the Persistence time data entry field and make a selection from the pop-
up menu.
each input
channel
individually
1. Touch the Per Trace button .
2. Touch one of the persistence mode buttons next to an
input channel. To turn off persistence for an individual channel, touch the left-most
persistence mode button next to the channel.
OR
For each input channel, touch its tab to set up persistence for that channel.