March 2006 910-257C
MG2 Series Page 4-29
first gradicules (20% screen height) will be detected by the gage. The
detection threshold is not the measurement point. Measurements are
made using algorithms and DSP and are amplitude independent.
Echo Below the 20% Screen Gradicule
Echo Detection, Echo Above the 20% Gradicule
Note: Normally, when the gain is set to its default value the
waveform is ADC’d (Automatic Display Controlled).
This feature automatically adjusts the amplitude of the
detected backwall echo to try to keep the echo peak on
screen. Once the gain has been changed from the default
20%
20%
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