Rcg - Simrad SX90 - REFERENCE MANUAL REV D Reference Manual

307670/D

RCG

The (Reverberation Controlled Gain) parameter dialog
RCG
opens when you click the
and menus.
Vertical 180
Dialog description
Reverberation Controlled Gain (RCG) regulates the receiver gain
individually for each of the 64 receiving beams. If you select
weak or medium filter strength, signals with small variations,
like propeller noise, surface and bottom reverberations will be
removed, while signals with fast variations, like target echoes
or bottom echoes, will not be removed. If you select a strong
filter, a special function removes the bottom, while echoes on
the bottom will be presented.
Note
Scattered fish can be perceived as reverberation. The RCG
function must therefore be used with care if scattered schools
are to be detected.
Options
• : Click to switch the filter off.
Off
• : Click to switch on a weak filter.
Weak
• : Click to switch on a medium filter.
Medium
• : Click to switch on the special filter to remove the
Strong
bottom echoes.
• : Click to close the parameter dialog.
Close
• : Click to access the on-line help.
Help
Related topics
• Horizontal menu on page 83
• Vertical menu on page 85
• Vertical 180 menu on page 86
button in the
RCG Horizontal
Parameters
,
Vertical
151