Chart Window - Teleflex TFX160 Operation Manual

USING THE 160
CONTROL FUNCTIONS
grouping of black horizontal lines, typically
having gray lines underneath. A harder
bottom show s less gray below ; a soft
bottom show s more gray below. Structure
appears above the bottom as a cluster of
lines w ith varying lengths and gray shades.
Fish appear as smaller groupings of sonar
returns betw een the bottom and surface.
Often, large fish w ithin structure w ill
show as a strong return w ithin a grouping
of smaller returns. When the boat is
stationary or drifting very slow ly, the RTS
w indow can show the movement of the fish through the transducer beam.
M oving fish appear as smaller groups of lines progressively become larger
lines, or vice versa. A grouping of lines moving vertically indicates a fish
changing depth.
Th e w id t h o f t h e RTS w in d o w can b e ad ju st ed t o yo u r p ref eren ce.
Select in g a w id er RTS w in d o w sh o w s g reat er d if f eren ces b et w een
t h e st ren g t h o f t h e so n ar ret u r n s; h o w ever it red u ces t h e am o u n t
o f h ist o ry o n t h e d isp lay. See C
ad ju st in g t h e RTS W in d o w .
The Chart Window
The chart w indow creates a historical log
of sonar returns from the RTS w indow. As
the boat moves, variations in the depth
and sonar return change and are charted
to form an image of the bottom contour.
The most recent sonar returns are charted
on the right side of the w indow ; as new
inf ormat ion
information is moved across the display.
The chart w indow also indicat es t he
composition of the bottom. A hard bottom
such as compacted sediment or flat rock
appears as a dark, thin line across the
10
is received t he
Fish
Soft
Bottom
P
ONTROL A NEL
older
Hard
Bottom
s f o r d et ails o f

Chart Window

Soft Rocky
Bottom Bottom
Hard
Bottom