digital switching
Easy setup with auto tuning and calibration
Low power consumption (25 mA) with 350 mW (no backlight)/400 mW (mid-level backlight)
Operating temperature: -25°C to +55°C (13°F to 131°F)
28-channel GPS receiver
Garmin BlueChart g3 Vision HD - VEU479S - Portugal Boat Tech Dinghy digital switchingBlueChart g3 Vision HD VEU479S Portugal microSD SD Coverage: From Vigo, Spain Atlantic coast to Cabo de Sao Vicente to Ayamonte. Also including Viana Do Castelo, Porto, Aveiro, Figueira Da Foz, Nazar, Peniche, Lisbon, Sesimbra, Sines, Ponta De Sagres, Lagos, Portimao, Vilamoura and Faro. Premier Coastal Charts Industry leading coverage, clarity and detail with updated coastal charts that feature integrated Garmin and Navionics content Auto Guidance