Figure 4-19 Sampling with Peak Detect Mode
4.22 Observing Waveforms with use of Persistence
Select the Persistence function if you want to observe continuously the dynamic signals.
1. Press DISPLAY button to show
Display Mode
menu;
2. Keep pressing F4 button to select between 1sec, 3sec, 5sec, Infinite or Auto options. If display mode is
set to
Infinite
, dynamic signals will be kept on the screen. When set to
Auto
, the
Persistence
function will
turn on accordingly.
Figure 4-20 Persistent Display for 3 Seconds
4.23 Selecting AC Coupling
The screen displays both AC and DC voltages if the oscilloscope is set under DC coupling. If only the small
AC signal mixed in the DC signal is expected to display, please select AC coupling mode.
To select AC coupling, do the following:
1. Press CHANNEL button to display
Channel
menu;
2. Press F2 button to set Coupling to
AC
.
26
UTD1000L User Manual
