User Manual

RIGOL 6 To Make Measurements
MSO4000/DS4000 Users Guide
6-10
Advanced Operation
MSO4000/DS4000 provides advanced operation function that allows users to define
operation functions. Press MATH Operate Advance Expression ON and
the editing window as shown in the figure below is displayed.
Turn to select any item in Channel, Function, Variable, Operatorand
Figure(if they are currently available for selection), then press down the knob and
the item selected will de displayed in the entry box on the right of the Expression.
During the expression editing, you can press Delete to delete the character
currently at the left of the cursor and press Clear to delete all the characters in the
entry box at any time.
After finishing the expression editing, press Apply and the oscilloscope will operate
according to the expression you set and display the result. Note that, after Apply is
pressed, the Expression menu will be automatically set to OFFbut the preset
expression will still be displayed at the bottom of the screen for your reference. You
can also press Invert to turn the inverted display of the operation results on or off.
The following are descriptions of the contents in the editing window.
1. Expression
Here, it refers to the formulas formed by channel, function, variable, operator
and figure. The length of the expression is limited to 64 bytes.
2. Channel
You can select one or more channels from CH1, CH2, CH3 and CH4.