Fishfinding with Garmin DownVü™ Scanning Sonar
- Garmin DownVü scanning sonar provides a nearly photographic view of fish and structure under the boat
- Includes an all-in-one advanced HD-ID™ and DownVü transducer
- 5-inch high-resolution VGA color display
- Transmit power (RMS)/(Peak-To-Peak): 500 W/4,000 W
- Includes quick-release tilt/swivel mount, transom mount and low-profile trolling motor transducer mounting kits
The echo 551dv is a premier fishfinder with an all-in-one transducer that delivers both advanced HD-ID 77/200 kHz and Garmin DownVü scanned images simultaneously on a horizontally or vertically split screen. The images provide the clearest possible fish arch returns and nearly photographic bottom/structure details under the boat.
With its bright, crisp 5-inch high-resolution VGA color display, the echo 551dv has Smooth Scaling™ which provides smooth transitions from shallow to deep water and back again. Narrow-to-wide viewing cone angles give you a big picture well beyond the sides of your boat — from shallow water down to 2,300 feet maximum¹. Also includes sonar history rewind and 4,000 W peak-to-peak power. Quick-release tilt/swivel mount plus transom and low-profile trolling motor transducer mounts make installation a snap.
Physical & Performance
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Unit dimensions, WxHxD
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6.0" x 5.9" x 1.8" (15.2 x 15.0 x 4.6 cm)
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Display size, WxH
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2.9” x 4.0” (7.4 x 10.16 cm); 5” diag, (12.7 cm)
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Display resolution, WxH
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480 x 640 pixels
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Display type
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VGA color
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Weight
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17.6 oz (500g)
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Water rating
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IPX7
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Features & Benefits
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Audible alarms
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Yes
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Dual-frequency (50/200 kHz) sonar capable
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Yes
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Dual-beam (77/200 kHz) sonar capable
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Yes
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Split-screen zoom
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Yes
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Ultrascroll® (displays fish targets at higher boat speeds)
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Yes
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Fish Symbol ID (helps identify fish targets)
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Yes
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AutoGain Technology (minimizes clutter, maximizes targets)
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Yes
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Whiteline (indicates hard or soft bottom)
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Yes
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Adjustable depth line (measures depth of underwater objects)
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Yes
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A-scope (real time display of fish passing through transducer beam)
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Yes
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Bottom lock (shows return from the bottom up)
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Yes
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Water temperature log and graph
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Yes
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Water temperature sensor included
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Yes
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Water speed capable (displays speed on water)
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Yes
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Other Specs
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Frequencies supported
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50/77/200 kHz, DownVü
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Transmit power
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500 W (RMS)/4,000 W (peak to peak)
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Voltage range
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10-28 Vdc input
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Maximum depth
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2300 ft @ 77 kHz, freshwater
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Additional
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HD-ID Tracking Technology
Sonar History Rewind
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- echo 551dv
- 4-pin DownVü transducer with transom mount and trolling motor mount
- Tilt/swivel quick-release mount
- Power Cable
- Documentation
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