Scale; Source Power Measurements; How To Make A Source Power Measurement - Keysight A Series User Manual

Power Meter (USB/LAN) Mode - Option 302
USB and LAN Power Meter Settings

Scale

The scale of the Power Meter display can be set manually or automatically. The
major and minor ticks are set automatically and can NOT be changed.
Although the scale settings are limited, you can view measurements beyond
these settings by performing Autoscale.
How to Scale the Power Meter Display
These softkeys are not available when Rx Power is enabled. See also
Power Measurements" on page
Manually:
— Press Scale / Amptd.
— Then choose from the following:
Autoscale:
Using Autoscale, the current reading is used for the center of the scale, and
Min and Max values are set accordingly.
— Press Scale / Amptd.
— Then More.
— Then Autoscale.

Source Power Measurements

Before making a source power measurement, a calibration is required. Requires
a compatible USB power sensor. Learn more about supported Keysight USB
and LAN Power Sensors, please visit:
www.keysight.com/find/usbsensorsforfieldfox.

How to make a Source Power Measurement

— Press Measure 1 >
— Follow the Source Power Measure Wizard's instructions.
Keysight N9927-90020 User's Guide
— Scale Min Sets the low power level of the power meter display. Type
a number and select the units or press Enter. This value is limited to
–100 dBm.
— Scale Max Sets the high power level of the power meter display.
Type a number and select the units or press Enter. This value is
limited to 100 dBm.
Src Power Measure
wizard.
When you select the Src Power Measure
and the Average (default) is disabled. And, the displayed power meter is
replaced by a Power vs. Frequency grid display of the source and receiver
power.
549.
to open the Source Power Measure
softkey the
"Source
Rx Power is enabled
549