Raymarine C140w Fish Finder User Manual


 
12.1 Fishnder introduction
Warning: Sonar operation
NEVER operate the sounder with the boat out of
the water.
NEVER touch the transducer face when the sounder
is powered on.
SWITCH OFF the sounder if divers are likely to be
within 25 ft (5 m) of the transducer.
Fishnder overview
The shnder application provides a detailed view of the sh and
seabed under your vessel, enabling you to accurately distinguish
between different sizes of sh, bottom structure, and underwater
obstacles. The standard shnder image is a historical, scrolling
bottom graph with range and sonar frequency automatically selected
by the system.
The various functions and features of the shnder application
include:
Preset modes for easy optimal operation.
Display modes (Zoom, A-Scope or Bottom Lock).
Adjustable range and zoom.
Finding bottom feeding sh with the bottom lock display mode.
Clutter and gain options to simplify the image.
Pausing and adjusting the speed of the scrolling image.
Using waypoints to mark a position.
Determining depths and distances of targets.
Fishnder alarms (sh, depth or water temperature).
Fishnder screen
The shnder displays a scrolling image of the seabed, updating
from the right as your vessel makes progress.
Example shnder screen
The shnder window includes the following aspects:
The bottom together with any bottom structure such as reefs and
shipwrecks etc.
Target images indicating sh.
A status bar noting the frequency and gain settings.
The bottom depth.
Status icon
The shnder status icon is located in the top-right section of the
screen:
150 C-Series Widescreen user reference