Colorado ™ Series Owner’s ManualappendIx�ppendixSpecificationsPhysicalSize: 5.5" H x 2.4" W x 1.4" D (14 x 6.1 x 3.6 centimeters)Weight: 5.9 ounces (167.26 grams) without batteries installed.Display: 1.53" x 2.55" backlit color TFT display (240 x 400 pixels)backlit.Case: Rugged, metal-plated, waterproof to IPX7Temp Range: From -4 oF to 158oF (from -20 oC to 70oC)**The temperature rating of the Colorado may exceed the usable range of somebatteries. Some batteries can rupture at high temperatures.PerformanceReceiver: 12 channel WAAS enabled/High sensitivityAcquisition Times:< 1 second (warm start)< 33 seconds (cold start)< 36 seconds (autolocate)Update Rate: 1/second, continuousAntenna: Built-in Quad HelixCompass: Accuracy: +/- 2 degrees (+/- 5 degrees extremeNorthern/Southern latitudes)*, resolution:1 degreeAltimeter: Accuracy: +/- 10 feet*, resolution: 1 footRange -2,000 to 30,000 feet*Subject to proper user calibration.PowerSource: Two AA batteries (alkaline, NiMH, or lithium)Battery Life: Up to 15 hours�ccuracyGPS: < 33 feet (10 meters) 95% typical**Subject to accuracy degradation to 100 m 2DRMS under the U.S. DoD imposedSelective Availability (SA) Program when activated.DGPS: 10–16 feet (3–5 meters) 95% typical** WAAS accuracy in North America.Velocity: 0.1 meter/sec steady stateInterfaces: Garmin Proprietary serial, USB mass storage device,NMEA 0183Data Storage Life: Indefinite; no memory battery requiredMap Storage: Internal or SD Card