Display Control Functions - Raymarine DSM250 Owner's Handbook Manual

Chapter 5: Basic Display Controls
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5.4 Display Control Functions

Alternatively, when you have both sounder and radar displayed in
half-screen windows the soft key RDR SNR lets you toggle operat-
ing control between the sounder and the radar window.
FREQUENCY
To change the active window when you are displaying the sonar/radar
horizontal split window, press the RDR SNR soft key to toggle control
between the sounder and radar display. The current active display is
highlighted in gray (monochrome display) or red (color LCD) on the
RDR SNR label and the cursor appears in that window.
If a window is active, i.e., control of the cursor via the trackpad is
available in that window, and you switch windows off, control
automatically returns to the full-screen (upper/right window)
mode.
Sonar mode automatically locates the bottom and displays the
information using an appropriate scroll speed and range. How-
ever, controls are provided so you can adjust scroll speed and
range. You can also select the transducer frequency and select cer-
tain data for display. This section describes how to use the con-
trols to set-up your sounder display:
• Viewing databoxes
• Changing the scroll speed
• Changing the range
• Selecting the power setting
• Selecting the frequency
In addition this section describes how to select the Sonar mode
display options.
• Display Bottom Lock
• Display A-Scope
• Zoom an area of the image.
ZOOM MORE¬ RDR SNR
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