2 General Power Meter Functions
34 N1911A/1912A P-Series Power Meters User’s Guide
Making Relative Measurements
Relative mode enables comparison of a measurement result to a reference
value. The relative reading, or difference, can be displayed in either dB or
% terms. When the measurement result is displayed in % a prefix
multiplier may be shown.
Procedure
1 Press to display the Measurement Setup menu.
Figure 2- 17 shows a Measurement Setup display and the relative
measurement items labeled.
2 Select the window you wish to set a reference value on by pressing the
key. The currently selected window/measurement is
displayed.
3 Use the and keys to highlight the Relative setting field.
Figure 2-17 Typical relative measurement display
4 Press to check the Relative setting field.
5 Confirm that the power meter is measuring the signal you want to use
as the reference. This is displayed under the Result field.
Selected Window/
Result Field
Relative Setting Field
Rel Field
Original Result
Measurement
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