Bird Technologies SA-4000 - Manual (Page 94)

Bird Site Analyzer
84
Setting the Offset
To read unattenuated power when using a coupler or
attenuator, enter (in dB) the attenuation or coupling
factor. To convert percentages to dB, use the equation:
Attenuation(dB) = 10 x Log
10
[Attenuation(%) / 100]
Press from
Measure
Power Mode
Scroll to
Offset
Enter the
new value
Fwd 0.00 KWatts
Offset
24.00
FullScale
Measure Power Mode
Configuration Screen
Recall
Setups
16.00 dB
500.00 Watts
The offset is
displayed at
the bottom
of the main
display
Esc
Fwd 0.00 KWatts
Refl
24.00
Match
0.00 Watts
0.00 Loss(dB)
Measure Power Mode
PwrUnit
KWatts
Sensor Connected
MatchUnit
Rtn Loss
Display
Fwd
Offset 16.00 dB