Simrad FS70 -, Operator'S Manual

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FS70 Trawl Sonar System
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974-24007001/5.0
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3.2.2.5 Changing the Gain Type:
Gain Type is used to enable elementary image processing for reverberation control (RCG),
automatic gain control ( AGC ) or a combination of the two.

AGC (Automatic Gain Control): provide automatic scaling to each sample in order to
maintain proper dynamic range based on all sample values.

RCG (Reverberation Controlled Gain): the RCG function adjusts the picture to
minimize the influence from the bottom and the surface reverberation.

AGC+RCG: Combination of AGC and RCG
To change the Gain Type:

Click Gain Type button on the Operation tab.