RIGOL MSO/DS2000A Series - Manual (Page 45)

Chapter 1 Quick Start RIGOL
MSO2000A/DS2000A User’s Guide 1-17
Knob
Adjust waveform brightness:
In non-menu-operation mode (menu is hidden), turn this
knob to adjust the brightness of waveform. The
adjustable range is from 0% to 100%. Turn clockwise to
increase the brightness and counterclockwise to reduce.
Press down this knob to reset the brightness to 50%.
You can also press Display  WaveIntensity and use
the knob to adjust the waveform brightness.
Multifunction (the backlight goes on during operation):
In menu operation, press any menu softkey and turn the knob to select the
submenus under this menu and then press down the knob to select the current
submenu. It can also be used to modify parameters and input filename. In addition,
for MSO2000A-S and DS2000A-S models oscilloscopes, when setting the
parameters (such as frequency, amplitude etc.) of the built-in signal source, press
the corresponding menu softkey and then press the knob; the numeric keyboard
will pop-up on the screen and you can select and input the desired value and unit
using this knob.
Navigation Knob
This knob can quickly adjust the numerical
parameters with relatively large settable range.
Turn clockwise (counterclockwise) to increase
(reduce) the value. The inner knob is used for
fine adjustment and the outer knob for coarse
adjustment.
For example, this knob can be used to quickly locate the waveform frame (Current
Frame menu) to be played back in the waveform playback function. Similar menus
include trigger holdoff, pulse width setting, slope time etc.