Menu Operation
9
3. Fish ID Sens.
Fish ID. Sens. adjust the threshold of sh size display.
Selecting a higher setting allows weak returns being being displayed as
sh, which is helpful especially when you are intending to nd smaller
sh species or bait sh.
Selecting a low setting will prevent weak sonar returns being displayed as
sh, which will be very helpful when you are seeking large species of sh.
Note: If you hope to nd big sh, please set the value to 1; However if
you hope to nd all the sh, including small ones, set the value to 9.
4. Sonar Gain.
The gain controls the sensitivity of the hardware receiver. A higher gain
makes the sonar more sensitive to echo returns, allowing it to display
weaker targets.
If the gain is set too high, the image might be cluttered with background
noise.
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