38 DSM25 Owner’s Handbook
White Line and Bottom Fill together
When both White Line and Bottom Fill are applied, the bottom is defined by a
white line and the detail below it replaced by a single contrasting color. Both the
bottom and fish near the bottom are now clearly defined.
To display/hide White Line and/or Bottom Fill:
1. Press PRESENTATION.
2. Press WHITE LINE or BOTTOM FILL to toggle the feature OFF or ON as desired.
3. Press CANCEL or ENTER to return to the default display.
Scroll Speed and Pause
You can adjust the speed at which the display scrolls or pause it all together using
the Scroll functions. Scroll is comprised of two separate soft keys: AUTO/MAN and
PAUSE/RESUME.
SCROLL AUTO/MAN
This soft key controls scroll speed. A faster speed displays more detail, which is
useful when you are looking for fish. If you select a slower speed, the information
remains on the display for a longer time. The same section of the bottom is
displayed regardless of scrolling speed.
The following options are available:
Manual Scroll
Selecting SCROLL MAN enables you to set the scroll speed as a percentage of the
maximum scroll rate for that depth, using the rotary knob. The lower the
percentage, the slower the image will scroll. The default is manual adjustment
with a full speed scroll (100%).
Automatic Scroll
When SCROLL AUTO is selected, the system automatically adjusts the scroll
speed, based on boat speed:
• Less than, or equal to 0.5 kts, scroll speed is constant at 10%
• Between 0.5–15 kts, scroll speed varies linearly with boat speed
• Greater than 15 kts, scroll speed is constant at 100%
Note:
If you have configured a transducer with no paddle wheel, selecting AUTO will re-
sult in full speed scrolling (100%).
81254.book Page 38 Monday, March 6, 2006 2:29 PM
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