NorthStar EXPLORER 457 - 4 Sonar Fishfinding: Displays

Northstar FISH 457/467 Installation and Operation Manual 25
C
4 Sonar fishfinding: Displays
4-1 Sonar history display
E
A Optional data header (see section 2-6-3)
B Depth
C Color bar
D Bottom
E Range
F Fish symbols with depth
G Depth line
The window scrolls from right (most recent
echoes) to left (oldest echoes).
A
B
D
F
G
To show the Sonar window, press
, then
select Sonar.
There are six kinds of sonar window. To use a
window, press
, select Sonar splits,
then select the type of window to use:
No split: Sonar history window at a single or
mixed frequency (see section 4-1).
Split zoom: Sonar history plus a zoomed section
(see section 4-2).
Full screen zoom:
See section 4-2.
Split bottom: Sonar history plus a bottom trace
in a zoomed section (see section 4-3).
Split 50/200: Sonar histories at 50 and 200 kHz
(see section 4-4).
Split A-Scope: Sonar history plus echo strength
(see section 4-5).
If the window is split, adjust the split ratio if
required:
1 Press
and select Sonar window split.
2 Press
or to adjust the ratio.
3 Press
.