Sonar Fishfinding: Displays; Sonar History Display - No Split - NorthStar EXPLORER 657 Installation And Operation Manual

9 Sonar fishfinding: Displays

To show the Sonar display, press
select Sonar.
There are five kinds of sonar display. To use a
display, press , select Sonar splits,
then select the type of display to use:
No split: Sonar history display at a single or
mixed frequency (see section 9-1).
Split zoom: Sonar history plus a zoomed section
(see section 9-2).
Full screen zoom: See section 9-2.
Split bottom: Sonar history plus a bottom trace
in a zoomed section (see section 9-3).
Split 50/200: Sonar histories at 50 and 200 kHz
(see section 9-4).

9-1 Sonar history display - no split

A
B
C
40
, then Split A-Scope: Sonar history plus echo strength
If the display is split, adjust the split ratio if
required:
1
2
3
A Optional data header (see section 2-7-3)
B
C
D Bottom
E
F
G Depth line
The window scrolls from right (most recent
G
echoes) to left (oldest echoes).
F
D
E
Northstar Explorer 657 Installation and Operation Manual
(see section 9-5).
Press and select Sonar display split.
Press or to adjust the ratio.
Press .
Depth
Color bar
Range
Fish symbols with depth