User`s guide
6-16 Agilent 4155C/4156C User’s Guide Vol.2, Edition 6
Analyzing Measurement Results
Manual Analysis
To Specify between Measurement Points on Curve 
1. Select MARKER/CURSOR primary softkey.
2. Set MARKER secondary softkey to ON. Marker and marker coordinates are 
displayed. Selecting MARKER toggles between ON and OFF.
3. (if both Y1 and Y2 axis are set up) Select the desired marker (axis) by using 
AXIS primary softkey. The selected marker is highlighted. Selecting AXIS 
primary softkey toggles between Y1 and Y2.
4. Set INTERPOLATE secondary softkey to ON. Selecting INTERPOLATE 
secondary softkey toggles between ON and OFF.
5. Rotate rotary knob to move the marker to desired measurement point.
If both Y1 and Y2 axis are set up, a circle marker (o) is displayed on measurement 
curve of Y1 axis, and an asterisk marker (*) is displayed on measurement curve of 
Y2 axis.
The MARKER coordinate fields indicate the location of markers. The first, second, 
and third fields are X, Y1, and Y2 coordinates, respectively. X and Y1 indicate 
location of marker on Y1 curve. X and Y2 indicate location of marker on Y2 curve.
To turn off markers
Set the MARKER secondary softkey to OFF.
To move marker to maximum or minimum value of measurement 
curve
Select MARKER MIN/MAX secondary softkey. The marker searches for minimum 
or maximum value in measurement order from the present location every time you 
select the MARKER MIN/MAX secondary softkey.
To move marker to next VAR2 step or append curve
Select MARKER SKIP secondary softkey. Marker moves to next VAR2 step curve 
or next append curve every time you select MARKER SKIP.
To move marker fast
Press Fast front-panel key of the MARKER/CURSOR key group while rotating 
rotary knob.










