User`s guide

6-26 Agilent 4155C/4156C User’s Guide Vol.2, Edition 6
Analyzing Measurement Results
Manual Analysis
To Draw Regression Line for Specified Region
1. Select MARKER/CURSOR primary softkey, then set the MARKER secondary
softkey to ON.
2. Select the desired axis for regression calculation by selecting AXIS primary
softkey (if both Y1 and Y2 axis are set up). Then, if necessary, move marker to
desired measurement curve by selecting MARKER SKIP secondary softkey.
3. Select LINE primary softkey.
4. Set LINE SELECT softkey to 1 or 2. Selecting this softkey toggles the setting.
5. Set LINE secondary softkey to ON. A line and two cursors are displayed.
Selecting LINE secondary softkey toggles as follows:
OFF → ON → OFF
6. Select REGRESS MODE secondary softkey if it is not highlighted. Softkey
becomes highlighted. Selecting REGRESS MODE secondary softkey toggles
between highlighted and not highlighted.
7. Move cursors to specify range of regression calculation. (Use arrow keys of the
MARKER/CURSOR key group to move cursors to desired location.)
• To select the cursor you want to move, use the SELECT CURSOR
secondary softkey.
The range used for calculating the regression line is defined by the position of the
two cursors as shown in the following figure.