Garmin GPS 400 Pilot's Manual And Reference page 159

Appendix B: Specifications
PHYSICAL
Unit Size: 6.25"W x 11.00"D x 2.65"H
(159mm x 279mm x 67mm)
Unit Weight: 4.9 pounds installed (2.2 kg)
POWER
Input: 11-33 Volts DC
ENVIRONMENTAL
Temperature: -20°C to +55°C (operating range)
(-4°F to +131°F)
Humidity: 95% non-condensing
Altitude: -1,500 ft to 50,000 ft
(-457m to 15,240m)
GPS PERFORMANCE
Receiver: 12 parallel channel PhaseTrac12™
Acquisition Time: 12 seconds (warm)
45 seconds (cold)
Update Rate: Once per second, continuous
Accuracy: Position—15 meters (49 ft) RMS*
Velocity—0.1 knot RMS steady state
Dynamics: 999 kts maximum velocity
6g maximum acceleration
* Subject to accuracy degradation to 100m 2DRMS under the U.S. DOD-imposed Selective Availability Program.
SPECIFICATIONS
INTERFACES
ARINC 429; Aviation RS-232; CDI/HSI; RMI (digital:
clock/data); Superflag Out; Altitude (serial: Icarus, Shadin,
Rosetta or encoded: Gillham/Greycode); Fuel Sensor;
Fuel/Air Data
B
APPENDIX