ADInstruments S7200 Operation Manual page 241

AD INSTRUMENTS S7200 TV Signal Analyzer Operation Manual
Figure 6-130 Snapshot: Amplitude Setting Menu – Unit, Scale & Amplifier
Tap the soft button [AMPL>] and then tap the soft button [UNIT>] to open the unit
setting sub-menu. Available unit selection, dBμV, dBmV, dBm.
The conversion factors: (Automatically calculated for your convenience)
dBm=dBμV - 108.8
dBmV=dBμV - 60
dBm=dBmV - 48.8
dBm=20×log(mV) - 48.8
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