Making Relative Measurements; Procedure - Agilent Technologies E4419B User Manual

2 Power Meter Operation

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
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
3
Successive measurements are now displayed relative to the reference value.
The relative mode can be disabled and re-enabled simply by pressing
Rel Off On
64
and selecting either
.
to use the current reading as the reference value. This allows you
Rel
to compare any measurement result in dB or percentage (%).
is automatically set to "On" when
Rel Off On
.
or . When the measurement result is
dB %
Rel
E4419B Power Meter User's Guide
is pressed.