HP 8153A Operating And Programming Manual page 54

The dB Key
Using with a Two Sensor Instrument
dB
4 5
4 dB 5
display
measured
A/B B/A
P dB
display
display
measured
2-8 Local Control - Measure Mode
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A/REF B/REF
!
4 Param 5 4 Disp Ref 5
P dB P
display measured
P P
st Chan
measured measured
1
4 dB 5
4 Param
REF
dB
4 5
REF
nd Chan
2
5