What is bottom lock on a fish finder?
The Bottom Lock mode displays the bottom as a straight line, no matter how the bottom contour may change. It displays targets such as vegetation and fish above the bottom in a predetermined zone in relation to the bottom.
What does TVG mean on a fish finder?
Time Varied Gain
TVG stands for Time Varied Gain. It is a function used that reduces the amount of clutter in the fish finder display mode by varying the gain throughout the water column.
What is TVG sonar?
TVG. Adjusts the appearance of returns to compensate for weakened sonar signals in deeper water, and reduces the appearance of noise near the surface. When the value of this setting is increased, the colors associated with low-level noise and fish targets appear more consistent through various water depths.
What is noise rejection on a fish finder?
Removes noise that is not part of a normal sonar return, and adjusts the appearance of returns, such as the bottom. When smoothing is set to high, more of the low-level noise remains than when using the interference control, but the noise is more subdued because of averaging.
What does gain mean on fishfinder?
Depending on what frequency your depth sounder is using determines how accurate and what depth it can reach. Gain is basically the sensitivity of the sonar operational environment. The more gain, the more detail you will see in your sonar display.
What does gain mean on a fish finder?
The gain setting controls the sensitivity of the sonar receiver to compensate for water depth and water clarity. Increasing the gain shows more detail, and decreasing the gain reduces screen clutter.
What is Furuno radar?
FURUNO is the most trusted name in Radar. When it comes to safety on the water, no other piece of electronic equipment on your bridge is as important as your Radar. Whether you are looking for a compact 2.2kW unit or a commercial grade 50kW Radar, Furuno is the single largest source of Radars you can rely on.
How much does sonar cost for a boat?
Including the installation costs, these advanced sportfishing sonar systems will run you between $110,000 and $120,000. The Furuno Omni CSH8LMK2 sonar has been utilized in the commercial fishing world for years but has been widely considered too expensive for recreational or charter boats.