CVS-842/852/843 Chapter 6
Operation Manual Using the Menus
plankton to be well defined. When you decrease the number, the shades are narrowed causing the
seabed and fish echoes may be displayed in predominant colors like red, orange and yellow.
Selections: 25､35､45､55､65
Initial setting: 45
To set up:
(1) Select the degree of the video enhancement in the sub menu.
(2) Turn the Enhance control (for High Frequency or Low Frequency) on the operation panel to a
desired level.
6.5.2.2 Color tone
Varies the sonar color tone in 3 ways as follows.
Selections: 1, 2, 3 (steps)
1: 16 colors (KODEN standard color)
2: 16 colors (White not inclusive)
3: 8 colors (KODEN standard color)
Initial setting: 1
6.5.2.3 Background color
The background color of the screen can be changed in 9 ways.
Selections: 1 - 9
1 : Pale Blue 2 : Marine Blue､ 3 : Blue､ 4 : Dark Blue､ 5 : Black
6 : Pale Greenish Blue､ 7 : Greenish Blue 8 : Dark Greenish Blue 9 : White
Initial setting: 1
6.5.2.4 White Line
The white line is drawn on the edge of the seabed echo, to indicate a profile of the seabed. The
thickness of the white line can be varied in 5 steps.
Selections: OFF､1､2､3､4､5
1 (Fine)〜 5 (Bold)
Initial setting: OFF
Figure 6.7 White Line display
6.5.2.5 Mix type
This mode of function enables quick and easy finding of small fish like young sardines utilizing the
intrinsic nature of acoustic wave. As widely known, small fish are sensitive to the high frequency
waves where the wavelength is closer to the length of the fish. Meanwhile, low frequency waves that
0093132692-05 6-7
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