RIGOL DSA875 - Manual (Page 127)

Chapter 2 Front Panel Operation RIGOL
User’s Guide for DSA800 Series 2-75
Table 2-51 Average Number for TOI Measurement
Parameter Description
Default 10
Range 1 to 1000
Unit N/A
Knob Step 1
Direction Key Step 1
2. Avg Mode
Set the average operation mode to “Exp” or “Repeat” and the default is “Exp”.
 When “Exp” is selected, the result is the exponential average of the
current N (N is specified in “Avg Num”) measurement results.
 When “Repeat” is selected, the result is the arithmetic average of the
current N (N is specified in “Avg Num”) measurement results.
3. Span
This span which is the same with the span of the analyzer is the frequency
range for sweep. Modifying this parameter will also change the span of the
analyzer. You can use the numeric keys, knob or direction keys to modify this
parameter.
Table 2-52 Span for TOI Measurement
Parameter Description
Default 2 MHz
Range 100 Hz to 7.5 GHz
Unit GHz, MHz, kHz, Hz
Knob Step TOI Distortion Span/100, the
minimum is 1 Hz
Direction Key Step in 1-1.5-2-3-5-7.5 sequence