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Manual Threshold Algorithm
When this algorithm is selected, the Signal Threshold is adjustable, instead of being fixed at
20dB. Move the red slider up or down the dB axis to a suitable threshold level:
Signal Threshold
Measured Range
Note that the Manual Threshold algorithm measures the lowest range at which the signal
breaks through the threshold, as distinct from the Closest algorithm which uses the lowest-
range peak.
Alternatively, double-click the red slider and type a numerical value into the entry box:
