Tektronix MSO4000 Series - Page 209

Display Waveform Data
4. Turn multipurpose knob a to select the channel
to move.
5. Turn multipurpose knob b to move t he selected
channel.
NOTE. The display of the channel (or group) only
moves after you stop rotating the knob.
MSO4000 and DPO4000 Series Oscilloscopes User Manual 183