User`s guide

RIGOL
User’s Guide for DS1000B series
1-14
3. The horizontal knob moves displayed signal horizontally on the
waveform window.
The horizontal knob adjusts the trigger offset of signal, when
turning the knob; you can note that the waveform moves horizontally in
conjunction with the knob.
Horizontal offset back to 0 shortcut key
Press the knob to set the horizontal offset to 0 as a shortcut
key, this is especially helpful when the trigger point is far out of the screen
and want it to get back to the screen center immediately.