Samyung SDF-315, Руководство пользователя

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2.10 Automatic gain offset
In automatic operation, seabed is automatically adjusted as reddish-brown color. You can
modify offset value to set the sensitivity up or down in automatic gain. Clutter function
operate automatically to eliminate small echo by dirt seawater and plankton. This allow good
picture to identify.

Setting for auto gain offset of low frequency
[MENU]

select [display]

[auto gain offset(L)]

select desired value

Setting for auto gain offset of high frequency
[MENU]

select [display]

[auto gain offset(H)]

select desired value
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3. Color
3.1 day/night
It can change the menu and background color of the screen. When you select day, the screen
is bright and menu is white. When you select night, the screen is dark and menu is black.
<day/night > <day> <night>
3.2 number of colors
It can select the number of colors
<number of colors> <screen of 8 colors> <screen of 64 colors>

Setting for day/night
[MENU]

select [color]

select [day/night]

select among day/night

Setting for number of colors
[MENU]

select [color]

select [number of colors]

desired number of colors