Sonar Zoom Display - Navman FISH 4500/4600 Installation And Operation Manual

To customize the size of the Data header, high-
light Size and press ENT. There is a choice of
Small, Medium, Large.
To customize the data items to be displayed:
1. Highlight Data setup and press ENT.
The Data header increases in size to
display all twelve data fields. Some data
fields may be blank.
2. Use the cursor keys to move from data
field to data field.

5-2 Sonar Zoom display

To show the Sonar Zoom display, press DISP
and select Sonar Tab, select Sonar Zoom
and press ENT.
The split display shows the sonar history on the
right side and the zoom section on the left.
The zoom bar on the far right shows the area
that is magnified in the zoom section. See sec-
tion 4-5 Range, for information about adjusting
the Zoom Range and Zoom Offset.
To change items, press MENU until the Options
menu is shown.
FISH 4500/4600 Installation and Operation Manual
3. Press ENT at any data field to show the list
4. Highlight the required data item and
5. Press ESC when finished and the Data
Gain
Gain is explained in section 4-4 Gain.
Range
Range is explained in section 4-5 Range.
Sonar history
A-Scope
A-Scope is explained in section 5-5 Sonar
Depth line
A-Scope display.
marks the
centre of the
Bottom lock
zoomed area
If Bottom lock is selected, the zoom section
moves so the bottom is always displayed in
Zoom bar
the zoom section, regardless of changes in
depth.
Zoom section
If Bottom lock is not selected, the bottom will
not be displayed in the zoom section when it is
Divider line
outside the range covered by the zoom bar.
Using the Bottom Lock and the A-Scope features
together can be a powerful aid in recognising the
type of bottom.
Split Ratio
Use this to change the split ratio between
the zoom and the sonar history sections dis-
played. The default split ratio is 50%.
1. Highlight Split Ratio and press ENT.
2. Use the
Data header
Data header is explained in section 5-1
Sonar display.
NAVMAN
of data items that can be displayed there.
press ENT. The data item is immediately
displayed in that data field.
header resizes automatically.
A left arrow and right arrow appear on
either side of the divider line.
or cursor keys to adjust the
position of the divider line, then press ENT.
The adjustable range of the split ratio is
from 20% to 80%.
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