User manual LOWRANCE AIRMAP 1000

[. . . ] Aviation Mapping GPS Receiver AirMap 1000 Operation Instructions Copyright © 2003 Lowrance Electronics, Inc. AirMap, Lowrance Avionics and Lowrance are all registered trademarks of Lowrance Electronics, Inc. Jeppesen is a registered trademark of Jeppesen Sanderson, Inc. Navionics is a registered trademark of Navionics, Inc. [. . . ] 52 Aviation Calculators To help you with flight planning, this unit has three aviation utilities built into it that let you calculate density altitude, true airspeed, wind speed and direction, plus vertical navigation. NOTE: AirMap also includes another set of general-purpose utilities. E6B Altitude/Airspeed Calculator The Altitude/Airspeed Calculator lets you calculate density altitude or true airspeed. To get to the altitude/airspeed calculator menu: while in Aviation Mode, press MENU|MENU| to AVIATION CALCULATORS|ENT|ENT. The screen in the following image appears. For each item in the top portion of the screen, press the enter key, use and to enter the field value, and then press EXIT when you're done. You'll need to enter indicated altitude (ALTITUDE), barometric pressure (BARO) in inches of mercury, outside air temperature (TEMP), and calibrated airspeed (CAS). In the example shown, the indicated altitude is 5000 feet, barometric pressure is 30. 02", outside air temperature is 15° Celsius, and the calibrated airspeed is 129 knots. This gives us a pressure altitude of 4908 feet, a density altitude of 5740 feet, and a true airspeed of 140. 4 knots. Obviously, you don't need airspeed to calculate density altitude, this was done for illustration purposes. E6B Altitude/Airspeed Calculator E6B Wind Speed/Direction Calculator To determine the wind speed and direction, first find true airspeed using the Altitude/Airspeed Calculator (see above). Once you have that, open the Wind Speed/Direction Calculator. To get to the wind 53 MENU|MENU| SPEED/DIR|ENT. speed/direction calculator menu: while in Aviation Mode, press to AVIATION CALCULATORS|ENT| to E6B WIND A screen similar to the one in the following image appears. The current true airspeed is automatically used, and you only need to enter your heading. Use the arrow keys to change the heading in the box at the top of the screen. In the example shown, the heading is 39° magnetic. This gives us a wind speed of 11. 5 knots on a bearing of 44° magnetic, for an 11. 4 knot headwind. E6B Wind Speed/Direction Calculator Vertical Navigation Calculator With the Vertical Navigation Calculator, the AirMap 1000 can help you decide when to let down for an approach to an airport. To get to the vertical navigation calculator menu: while in Aviation Mode, press MENU|MENU| to AVIATION CALCULATORS|ENT| to VERTICAL NAV |ENT. (The command only works when you are navigating to a waypoint. ) In the following example, we're travelling to the Wichita Mid-Continent airport in Wichita, Kansas. It's identifier is shown at the bottom of the screen ­ KICT. We are travelling at 4500 feet, and need to be at the pattern altitude (about 2300 feet) by 5 nautical miles from the airport using a 450 fpm descent. After determining the above information, use or to highlight each field, then press ENT. In each box, use the arrow keys to enter the data. [. . . ] We reserve the right to do so without notice. . . . in Canada: If you're in Canada and you have technical, return or repair questions, please contact the Factory Customer Service Department. Before any product can be returned, you must call customer service to determine if a return is necessary. Many times, customer service can resolve your problem over the phone without sending your product to the factory. To call us, use the following toll-free number: 800-661-3983 905-629-1614 (not toll-free) 8 a. m. [. . . ]