User`s guide
Agilent 4155C/4156C User’s Guide Vol.2, Edition 6 1-29
Sweep Measurements
Defining Measurement Conditions
To Execute or Stop Measurement 
• To execute a measurement, press:
•
Single key in the MEASUREMENT key group for single measurement.
•
Repeat key in the MEASUREMENT key group for repeat measurement.
•
Append key in the MEASUREMENT key group for append measurement.
• To stop a measurement, press 
Stop key in the MEASUREMENT key group.
Single, Repeat, and Append Measurement 
There are three measurement execution modes as follows:
Single 
measurement  Clears GRAPHICS or LIST screen, then executes measurement 
one time. Measurement results are displayed on GRAPHICS or 
LIST screen.
Repeat 
measurement  Executes measurements continuously. Before each 
measurement is executed, the GRAPHICS or LIST screen is 
cleared. Most recent measurement results are displayed on 
GRAPHICS or LIST screen.
Append 
measurement  Executes measurement one time. Does not clear GRAPHICS or 
LIST screen. That is, measurement results are added to the 
existing results.










