Page 1-4 400W Series Installation ManualRev. G 190-00356-021.4.2 General SpecificationsOperating Temperature Range -20°C to +55°C. For more details see EnvironmentalQualification Form on the Dealers Only page onwww.garmin.com. See Appendix A for part numbers.Humidity 95% non-condensingAltitude Range -1,500 ft to 50,000 ftInput Power RequirementsInput Voltage Range - All Units (MainConnector)10 to 33.2 VDCInput Voltage Range GNC 420W, GNS430W (COM Connector)11 to 33 VDCInput Voltage Range GNC 420AW, GNS430AW (COM Connector)24.1 to 33 VDCGPS 400W (Main Connector) 700 mA @ 28 VDC (maximum)1.4 A @ 14 VDC (maximum)GNC 420W, GNC 420AW, (Main Connector) 1.2 A @ 28 VDC (maximum)2.5 A @ 14 VDC (maximum)GNS 430W, GNS 430AW, (Main Connector) 1.2 A @ 28 VDC (maximum)2.5 A @ 14 VDC (maximum)GNC 420W, GNS 430W (COM Connector) 15 mA @ 28 VDC (receive)3.0 A @ 28 VDC (transmit)15 mA @ 14 VDC (receive)6.0 A @ 14 VDC (transmit)GNC 420AW, GNS 430AW (COMConnector)15 mA @ 28 VDC (receive)3.0 A @ 28 VDC (transmit)Superflag Power Requirements 500 mA maximum per superflag outputEnvironmental Testing See Environmental Qualification Form on the DealersOnly page on www.garmin.com. See Appendix A forpart numbers.The display on the 400W Series unit is a sunlight readable LCD display.Display Size 3.8” diagonalActive Area 3.29” (W) x 1.75” (H)Resolution 240 x 128 pixelsViewing Angle(with a 2:1 contrast ratio, min)Left/Right:Up:Down:40°40°40°Viewing Distance 36 inches maximum
