Sonar Fishfinding: Windows; Sonar History Window - No Split - NorthStar Multi-Function Unit M121 Installation And Operation Manual

10 Sonar fishfinding: Windows

To show the Sonar window, press
select Sonar.
There are five kinds of sonar window. To use a
window, press , select Sonar splits,
MENU
then select the type of window to use:
No split: Sonar history window at a single or
mixed frequency (see section 10-1).
Split zoom: Sonar history plus a zoomed
section (see section 10-2)
Full screen zoom: (see section 10-2)
Split bottom: Sonar history plus a bottom
trace in a zoomed section (see section 10-3)
Split 50/200: Sonar histories at 50 and 200 kHz
(see section 10-4)

10-1 Sonar history window - no split

A
B
C
D
H
E
42
, then
DISPLAY
G
F
Northstar M121/M84 Installation and Operation Manual
Split A-Scope: Sonar history plus echo
strength (see section 10-5)
If the window is split, adjust the split ratio if
required:
1 Press and select Sonar window split.
MENU
2 Press or to adjust the ratio.
3 Press .
ENTER
A Optional data header (see section 2-7-3)
B Optional compass (see section 2-7-4)
C Depth
D Color bar
E Bottom
F Range
G Fish symbols with depth
H Depth line
The window scrolls from right (most recent
echoes) to left (oldest echoes).