Agilent 4155B/4156B User’s Guide Vol.2, Edition 5 3-17
Measurement Functions
Knob Sweep Function
Y-AXIS ASSIGN Softkey
This softkey is used to change the measurement channel. Before selecting this
softkey, the knob sweep measurement must be stopped. So press the Stop
front-panel key to change the measurement channel. To restart measurement, press
the Single front-panel key.
If you connect R-box to the VAR1 channel, and set the VAR1 to V force mode, the
measurement channel is automatically decided to the VAR1 channel. In this setup,
this softkey is not be displayed.
Y-AXIS ASSIGN primary softkey displays secondary softkeys used to select the
measurement channel. The measurement variable names of measurement channels
are labeled on the softkeys. User function is not available for the knob sweep
function. So there is no user function variable in the softkey label.
When you select a secondary softkey, the maximum absolute value(s) of the Y axis
are changed to compliance value of the selected measurement channel.
SETUP COPY Softkey
This softkey is used to memorize measurement setups used in the knob sweep
measurement mode. This function allows you to copy and use the setups in the
normal-sweep measurement mode.
1. Select this softkey to memorize the measurement setups.
2. Quit the knob sweep measurement mode using a PAGE CONTROL group key.
Then the measurement setups are copied to the normal-sweep setup screens.
The information memorized and copied is as following:
• Axis variables, axis values, and GRID settings:
copied to the DISPLAY: DISPLAY SETUP screen.
• Settings of VAR1, VAR2, CONST:
copied to the MEASURE: SWEEP SETUP screen.
Knob sweep measurement setup cannot be directly stored into a file. This function
allows you to save the setup as a normal-sweep measurement setup file. But the
setup data cannot be retrieved to the knob sweep mode.
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