HUMMINBIRD 581i Combo

Contents of the Package

Features

The 581i Combo features an ultra-high resolution, 16 level grayscale 640V x 320H 5" display, DualBeam sonar with 2000 Watts PTP power output, and GPS Chartplotting with built-in UniMap.

ADVANCED SONAR FEATURES

Specifications

Cartography
Navionics Compatible

Memory
Waypoints: 3,000
Routes: 50
Tracks: 50 w/20,000 points each

Sonar
DualBeam
200 kHz / 20° @ -10db
83 kHz / 60° @ -10db
Depth: 800 ft.

Power Output
250 Watts (RMS)
2000 Watts (Peak-to-Peak)

GPS Features
50 Channel GPS
Trackplotting
Chartplotting
GPS Speed
Humminbird UniMap

Warranty
One Year

Specifications

Display Size: 5.0" diagonal
Display Pixel Matrix: 640V x 320H
Display Type: FSTN LCD
Display Colors/Grayscale: 16 Level Grayscale
DualBeam 
Sonar Coverage 200 kHz / 20° @ -10db | 83 kHz / 60° @ -10db
Target Separation: 2.5 inches
Power Output (RMS): 250 Watts (RMS)
Power Output (Peak to Peak): 2000 Watts (Peak-to-Peak)
Temperature: Included
Speed: GPS Speed Included
Backlight: Yes
Waterproof: Yes
Mount: Quick Disconnect
Unit Size: 7" H x 7" W x 4" D
Transducer - Standard: XNT-9-20-T
Transducer Mounting: Inside Hull or Transom
Power Input: 10-20 VDC

All products advertised and sold in the United States operate in English Language, Feet/Fathoms, Fahrenheit and/or US Maps. Local languages, Metric product and/or local maps are only available through your local authorized distributor.

Navionics Marine Charts
Navionics charts are now a fundamental tool of navigation, featuring water depths, navaids, obstructions, and other information necessary for safe navigation. Marine and lake maps presented.