Zoom; Adjusting The Zoom - Raymarine DSM25 Owner's Handbook Manual

Chapter 3: Using the Sounder Module

3.5 Zoom

.
ZOOM
ON SPLIT OFF
The DSM25 automatically keeps the bottom image in the lower half of the
window. When you need to see more detail of the bottom structure or targets, you
can zoom in and enlarge a portion of the image. This zoom range box can either
replace or appear alongside the standard sounder image.
The default setting is OFF.
200 kHz
Zoom x3
49 4
ZOOM
ZOOM
SETTINGS
SETTINGS
ON SPLIT OFF
ON SPLIT OFF

Adjusting the zoom

1. Press ZOOM.
2. Toggle to:
• ZOOM ON to replace the standard fishfinder image with a zoomed image.
• ZOOM SPLIT to display both the standard fishfinder and a zoomed image.
3. Toggle ZOOM FACTOR TO SELECT:
• X2, X3, or X4 for a predefined zoom level. The greater the factor, the
ZOOM FACTOR
x2 x3 x4 xR
Zoom Range Box
ft
ZOOM FACTOR
ZOOM FACTOR
x2 x3 x4 xR
x2 x3 x4 xR
smaller the area you are viewing and therefore the smaller the zoom box.
ZOOM RANGE ZOOM POSITION
20ft AUTO MAN
36.4
43.0
49.6
56.4
ZOOM RANGE BOTTOM ZOOM POSITION
BOTTOM
ZOOM RANGE ZOOM POSITION
LOCK
LOCK
10ft AUTO MAN
10ft AUTO MAN
ZOOM START
20.0ft
Standard Fishfinder Image
0
20
40
60
ZOOM START
ZOOM START
PRESENTATION
PRESENTATION
36.2ft
36.2ft
33
Zoom
Box