Furuno tztl15f Manual De Usuario

7.  FISH FINDER (SOUNDER)

This section describes the fish finder functions not described in previous sections. 
Open the home screen, then tap [Settings] - [Sounder].

[Day Background Color]: Select the background color for use during daylight hours. 
The options are [White], [Light Blue], [Black] and [Dark Blue].

[Night Background Color]: Select the background color for use at nighttime. The op-
tions are [Black] and [Dark Blue].

[Echo Color Levels]: Select the number of colors shown on the screen. The selec-
tions are [8 Colors], [16 Colors] and [64 Colors].

[Show Range Slider]: Show or hide the range slider.

[Zoom Reference Lines]: Show or hide the zoom marker, which appears in the bot-
tom lock and bottom zoom modes.

[Smoothing]: When you select [OFF], smoothed echoes are displayed, however, the 
screen resolution is lower. To get higher screen resolution and greater detail, select 
[ON].

[Bottom Range Shift Area]: Select the area where to show the bottom echo, when 
[Auto Range] is active. For example, setting 75% would place the bottom echo at a 
position equivalent to 75% from the top of the screen.

ACCU-FISH Info

ACCU-FISH Symbols

ACCU-FISH Size Correction

Smoothing