Optional weather and sonar capabilities combined with the ability to conveniently add plug-in data cards, let you easily add more maps and features — making this one incredible GPS navigator for land and sea.
Garmin 478 Features
Receiver: WAAS-enabled, 12 parallel channel GPS receiver
Display: 3.8-inch diagonal, 480 x 320 pixel, 256-color TFT screen with adjustable LED backlight
Unit dimensions: 5.7"W x 3.2"H x 1.9"D
Waypoints: Stores 3,000 waypoints and 50 reversible routes
Tracks: 10,000 point automatic track log saves up to 15 tracks
Battery life: Rechargeable lithium-ion battery offers 4 to 15 hours of use (4 hours with GXM 30 and 15 without GXM 30)
Water resistant up to IEC 60529 IPX7 standards (submersible in one meter of water for 30 minutes)
Preloaded with U.S. marine detail charts utilizing g2 technology
Built-in street navigation with voice prompts, using included cable and speaker
Accepts the latest (optional) BlueChart g2 data cards
Add optional GSD 21 for full-feature sonar capability
Add optional GXM 30 antenna for XM WX Satellite Weather
Provides tides and built-in celestial information
NMEA 0183 input and output
Removable quad helix antenna
Single knob tilt/swivel mount
Garmin 478 Package includes:
- GPSMAP 478
- Preloaded with U.S. marine detail maps (g2 technology)
- Preloaded City Navigator NT North America (full coverage)
- Trip & Waypoint Manager
- USB/PC interface cable
- Power/data cable
- Marine mount
- Automotive mount*
- Universal friction mount
- 12-volt adapter cable with speaker
- AC charger
- Protective cover
- Owner‘s manual
- Quick reference guide