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User manual
26
3-3 Sonar
3-3-1 scroll mode
Five sonar display windows are available
and each display window has unique
characteristics. Select a display window
depending on your needs. The default
display is No split.
To change a Sonar display window in the
sonar window:
1 Press
, select Window mode.
2 Select the sonar display you want.
No split: Display Sonar history at a given
frequency (50 or 200 kHz)
Split zoom: This mode expands chosen
area of the normal picture in full vertical
size on the left-half part of the window.
Full screen zoom: Display a zoomed
section on full screen (see section 3-5-9)
Split bottom: Display Sonar history and a
bottom trace focus in a zoomed section
(see section 3-5-9)
Split 50/200: Display the 50 kHz sonar
history on the left and the 200 kHz sonar
history on the right. This display is useful
for comparing the same history with two
different frequencies. (see section 3-5-
10)
Split A-scope: Display Sonar history and
echo strength. (see section 3-6-6-5)
Spited screen ratio can be set
1 Press
and select Sonar and
Window mode.
2 Press or to adjust ratio.
3 Press .
No split window displays a sonar history at a
given frequency (50 or 200 kHz)
Low Frequency (50 kHz)
The 50 kHz frequency is ideal for detecting
the wider area which means low frequency is
useful for general detection and judging
bottom condition.
High Frequency (200 kHz)
The 200 kHz frequency is ideal provide a
better resolution which means it is ideal for
the observation of fish or fish schools.
To set a frequency for this display:
1 Once you select No split window,
Press .
You can also review old sonar records, press
and to review the history. To return
to current scanning, press
.
ENT