16 DSM300 Operation with PLUS Series Displays
2.5 Sonar Mode Display
When you first switch the display unit into Sonar mode, the scrolling bottom
graph is displayed. This is a graphical representation of the echoes seen by the
DSM300. As time passes, this display scrolls from right to left and becomes a
record of the echoes seen. A typical display is shown in Figure 2-2.
The images at the right hand side of the display are the most recent echoes. Some
echoes indicate fish, and others show the bottom. It can also indicate bottom
structures, such as a reef or shipwreck. The upper and lower depth range limits are
shown.
The sonar screen includes a status bar that displays transducer frequency and
indicates which auto settings are enabled (Gain, Color Gain, Range, Zoom and
Frequency), and alarm status (fish and shallow/deep water depths).
You can customize the sounder by choosing what is displayed and how it is
displayed (including language and units). For example, you can set the scroll
speed of the bottom graph display, and you can select the range to adjust the
depth displayed.
You can view the cursor position and a variety of data (such as speed and depth)
from the transducer and other equipment in user-selectable data boxes. These
data boxes can be moved around the screen and they can be switched on or off.
Chapter 4 includes details on adjusting the display; other set up options are
described in Section 3.4.
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