Set Relative And Offset Power - Keysight N9912A User Manual

Optionally set the power level.
 Press
 Then enter a value using the numeric keypad, the ▲|▼ arrows, or the rotary knob.
 Press
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
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
 Then Autoscale.
Relative and Offset Power Measurements
Power measurements can be made that are relative to another reading or that are
offset by a fixed value.
 Use Relative to measure the difference between power levels.
 Use Offset to account for components or a long length of cable that is used before
How to set Relative and Offset Power Measurements
 Press Scale / Amptd .
 Then choose from the following:
120
Turn ON the internal source
ON
o
Turn OFF the internal source
OFF
o
Src Nom Power
value at the displayed CW frequency.
Enter
Sets the low power level of the power meter display. Type a number
Scale Min
o
and select the units or press Enter. This value is limited to –100 dBm.
Sets the high power level of the power meter display. Type a
Scale Max
o
number and select the units or press Enter. This value is limited to 100 dBm.
.
More
the power sensor. For example, if using a 10 dB attenuator to protect the FieldFox,
enter an Offset Value of 10 to read the power as it would appear without
attenuation. If using a 10 dB amplifier, enter an Offset Value of –10 to read the
power as it would appear without amplification.
(0.0 dBm default setting) Set output power to an arbitrary
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