Rigol DSA815 - Page 88

RIGOL Chapter 2 Front Panel Operation
User’s Guide for DSA800/E Series
2-36
Table 2-20 Average times
Parameter Explanation
Default 100
Range 1 to 1000
Unit N/A
Knob Step N/A
Direction Key Step N/A
Trace Math
1. Function
Set the computational method of the math trace.
 A-B: subtract Trace B from A
 A+Constant: add a constant to Trace A
 A-Constant: subtract a constant from Trace A
2. A
Select “T1”, “T2” or “T3”. Assign a value to A from Trace1, Trace 2 or Trace 3.
The default is Trace 1 (T1).
3. B
Select “T1”, “T2” or “T3”. Assign a value to B from Trace1, Trace 2 or Trace 3.
The default is Trace 2 (T2).
4. Constant
Set the value of the constant.
You can use the numeric keys to modify this parameter. Please refer to
“Parameter Setting” for more details.
Table 2-21 Constant in the math operation
Parameter Explanation
Default 0 dB
Range
-300 dB to 300 dB
Unit
dB