RIGOL DS1000B - Manual (Page 82)

RIGOL
User’s Guide for DS1000B series 2-52
Figure 2-63
Adopt Normal acquisition
Figure 2-64
Adopt peak detect acquisition, signal contains envelope
Key points
Stop Acquisition: When the scope is acquiring waveforms, the
waveforms is in a live status; when acquisition is stopped, frozen waveform
will be displayed, the position and scale can still be adjusted by vertical
control and horizontal control.