Raymarine DSM250, Owner'S Handbook Manual

Page: 66 / 122

5-6 DSM250 Digital Sounder Module
The controls are summarized in the laminated Quick Reference
card that accompanies this handbook.
Selecting the Display Mode
If the data is available on your system, the following display
modes can be selected:
• Radar
• Chart
• Sonar (Fishfinder)
• Data Log
You use the
DISPLAY
key to select the full-screen display mode.
The
DISPLAY
key also accesses the soft keys for the half-screen
window options for additional information.
➤
To select Sonar mode:
1. Press the
DISPLAY
key.
The
DISPLAY
pop-up appears, as shown in Figure 5-1 . The
selected mode is shown by an icon with a black (monochrome dis-
play) or red (color LCD) border and the mode is displayed on the
screen.
2. Continue to press
DISPLAY
until
SONAR
mode is shown.
3. Press
ENTER
or
CLEAR
.
The Sonar screen is displayed with its default soft keys. The asso-
ciated half-screen window soft keys are also displayed.
You can also set Windows On to split the display into two half-
screen windows (horizontal or vertical) to show supplementary
data, or to display sonar and chart or radar simultaneously. Split
screen options are described in the following sections.
DISPLAY
SPLIT
HOR VER