10
TVG
This function suppresses sensitivity shallower than approx. 100m and
eliminates reflected signal form plankton and air bubble. Stronger TVG is
set, sensitivity near sea surface decreases. When you make TVG too
strong, response near sea surface disappears. On the other hand, when
you make TVG too weak, response near sea surface becomes strong and
you can not judge the image in some case.
Set TVG on MENU 1: off Low Standard High.
More details see
How to get steady data
in page 12.
Noise Rej.
The echo interferences of the same frequency transducers nearby are
eliminated.
Set Noise Rej. on MENU 1: Off, Low, High.
Echo Color
This function facilitates clear observation by eliminate weak echo.
Set Echo Color by up/down arrows: 04
～
16.
Palette
Reflected signals of sound wave are converted into 16 ranks of digital
signals according to the strength of response. 16 ranks of color are
arranged and it is called color configuration. As image of fish finder is
displayed in colors by this color configuration, you can know the strength of
response by displayed color. As display of response varies by changing
color configuration in Palette, it enables to displayed color specially.
Set Palette in MENU 2: 0
, 1, 2, 3, 4, 5
.
