S820E UG PN: 10580-00343 Rev. H 9-7
High Accuracy Power Meter 9-3 General Measurement Setup Connection
Changing the Display Units
The power meter scale can be displayed in dBm or Watts. Use the following
procedure to change the displayed units:
1. Press the Amplitude main menu key.
2. Press the Units submenu key and select the display units.
Displaying Relative Power
Use the following procedure to select Relative Power through the Amplitude
menu.
1. With the desired base power (reference) level connected to the USB
sensor, press the Amplitude main menu key.
2. Press the Relative submenu key. Note that the absolute value of the
measurement at the time the Relative key is pressed is shown in yellow
below the numerical display (see Figure 9-4 on page 9-8).
3. Any change in power will now be displayed relative to the set reference
level. Refer to the bottom image in Figure 9-4 on page 9-8.
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