User Manual

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Knob
change accordingly. Push the knob to switch the vertical scale
adjustment modes between Coarse and Fine. In addition, the knob
can be used to change a digital channel.
3.7 Universal Knob
Figure 23 - Universal knob
Adjust the waveform intensity
In non-menu-operation mode, (the menu is hidden or no softkey is actuated by a recent
press), turn this knob to adjust waveform intensity (0% to 100%). Turn clockwise to increase
the brightness and counterclockwise to reduce. You can also press Display/Persist →
Intensity and use the Universal Knob to do adjusting. Adjusting grid brightness (0% to 100%)
and transparency (20% to 80%) are done in a similar fashion.
Universal Knob
When a menu's softkey has been pressed, this knob can be used to select the desired
setting. Press the knob to select the highlighted item. The knob is also used to modify
parameters and to input a file name.
3.8 On-line Help
The oscilloscope has an online help function for its features. Press any button for 2 seconds to
enter the on-line help.
You can change the language the help is displayed in by using the Utility → Language button.
Only Chinese and English are currently supported (the other language choices are for screen
labels).