CVG-200
Chapter 6
Using the Menu
0093132802-05
6-13
6.2.2 Image
6.2.2.1
Interference Rejection
Image interference from other boats can be removed through this
function.
Selection: OFF, 1(Weak), 2(Strong)
Based on the level of interference, choose either
weak or strong levels of Interference Rejection.
6.2.2.2
Noise Rejection / Enhance (EM)
This function selects whether to use the noise rejection mode or the enhance mode.
(Refer to 5.4.3 Adjustment of Gain and STC)
Selection:
Noise Rejection, Enhance mode
Only when noise rejection is selected, “Enhance” can be changed.
6.2.2.2.1
Enhance
Enhances the picture presentation by changing the dynamic range of sonar video.
Setting Range: 25db, 35db, 45db, 55db, 65db
As the values increase, the image can become more detailed.
As the values decrease, the image becomes more less detailed.
6.2.2.2.2
TVG
Make the sensitivity of the image with deep depth strong.
Setting Range: OFF, 1, 2, 3, 4
6.2.2.3
White Line
The white line is drawn on the edge of the seabed echo.
Setting Range: OFF, 1, 2, 3, 4, 5, Auto
OFF: White line not displayed
1(Thin) to 5(Thick)
Automatic: The seabed (displayed in red) is about
half the thickness of the displayed white line.
Images of school of fish near the seabed can be
distinguished.
6.2.2.4
Color Tone
Select color tone.
OFF Weak
Strong
Interference
from other ship
1
1
5
5
0
0
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White line