Annex A: Glossary EFA-200/-300
A-6
A display value of 0 dB corresponds exactly to the reference value shown in
display field F1. The position of the reference value can be shifted along the
measured value axis with Y POS. The display scale of the measured value
axis can be modified with Y SCAL.
One very practical feature is the ability to quickly compare several
measured values: Based on the distance between two measured values on
their axis, you can easily read off their relative size (factor of the field
strength).
This table is also printed on the back of the device.
dB Factor dB Factor
40 100.00 -3 0.71
20 10.00 -6 0.50
10 3.16 -10 0.32
6 2.0 -20 0.1
3 1.41 -40 0.01
1 1.12 -60 0.001
0 1.00 -80 0.0001
-1 0.89 -100 0.00001
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