Power Meter Operation 2
E4418B Power Meter User’s Guide 61
Making Relative Measurements
Relative mode allows you to compare any measurement result to a
reference value. The relative reading can be displayed in either dB or % by
pressing
and selecting either or . When the measurement
result is displayed in %, a prefix multiplier may be shown.
Relative mode is window dependent and when enabled, displays “Rel” in
the window to which it’s applied.
Procedure
To set a reference value on the currently selected window:
1 Press .
2 Press to use the current reading as the reference value. This allows
you to compare any measurement result in dB or percentage (%).
3 is automatically set to “On”, when is pressed.
Successive measurements are now displayed relative to the reference
value. The relative mode can be disabled and re- enabled simply by
pressing
.
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