2 Operating Your Frequency Counter
88 Keysight 53150A/151A/152A Operating Guide
2 Press the Shift key, and then press the dBm/W (Display Power) key.
When you press the Shift key, the Shift annunciator is activated. When you press
the dBm/W (Display Power) key, the Shift annunciator goes off, and the units of
measurement annunciator group to the right of the digital power measurement
changes from dB or dBm to W, mW, or μW, as shown below:
dB
dBm
Watts
mW
uW
%
Ch 12
Rel Freq
Rel Pwr
NOTE
When the power of a signal applied to the Channel 2 input exceeds the
maximum rated power for the instrument, the Counter displays HI.
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