User`s guide

2-8 Agilent 4155C/4156C User’s Guide Vol.2, Edition 6
Knob Sweep Measurements
Measurement Functions
KNOB SWEEP screen
To start the knob sweep measurement, press the green key and then the Single
front-panel key. The 4155C/4156C displays KNOB SWEEP screen, and starts
measurements. To stop the knob sweep measurement, press the
Stop front-panel key
or a PAGE CONTROL group key.
Cursor
On the KNOB SWEEP screen, the long cursor is always displayed, and you cannot
turn it off. In the CURSOR field, coordinate values of the cursor are displayed in X,
Y order.
X axis setting
X axis always plots the VAR1 source value. Maximum value of X axis is the setting
value of the VAR1 RANGE secondary softkey of VAR1 SETUP softkey group.
Y axis setting
Y axis always plots the measurement data of the measurement channel. You can
select the measurement channel by using the secondary softkeys of the Y-AXIS
ASSIGN softkey group. Maximum value of Y axis scale is the compliance value of
the measurement channel.