Rigol DSA1030, User Manual

Page: 93 / 287

Front Panel Key Reference RIGOL
User’s Guide for DSA1000 Series 2-39
2.3.2.4 Trace Math
1. Function
Sets the computational method of the math trace.

A-B: subtracts Trace B from A

A+Constant: adds a constant to Trace A

A-Constant: subtracts a constant from Trace A
2. A
Assigns a value to A from Trace1, Trace 2 or Trace 3, the default is Trace 1.
3. B
Assigns a value to B from Trace 1, Trace 2 or Trace 3, the default is Trace 2.
4. Constant
Sets the value of the constant.
You can use the numeric keys to modify this parameter, please refer to
“Parameter Input” for more details.
Table 2-21 Constant in math operation
Parameter Explanation
Default
0 dB
Range
-300 dB to 300 dB
Unit dB
5. Operate
Enables or disables the display of math trace, the default is Off.
Note: This menu is valid only when A or B in the expression of the math trace is
set to the selected type of trace.
2.3.2.5 Blank All
Turns off all the traces displayed on the screen. This operation may stop the current
advanced measurement as there is no available data source.