Instruction/ maintenance manual of the product 420AW Garmin
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What’ s New with the 400W / 500W Series New Operational Characteristics of the W AAS GNS 400W/500W Series Units versus the Classic 400/500 Series Units.
This document is written for: • Garmin GPS 400W , GNC 420W/420A W , and GNS 430W/430A W Main System Software V ersion 2.00 • Garmin GPS 500W & GNS 530W/530A W Main System Software V ersion 2.00 © 2006 Garmin Ltd. or its subsidiaries. All Rights Reserved.
1 The 400W/500W series of navigators with W AAS now offer many enhancements over the previous non-W AAS models. Advancements include new W AAS-enabled GPS antenna, receiver , and associated software.
2 Featur e Classic 400/500 New 400W/500W 15 T errain Database Optional Standard. Increased resolution. 16 Dead Reck oning (DR) No Y es 17 Satellite Status P age Y es Enhanced with new colors and 3D differential fix notation.
3 Detailed Description of Featur e Changes 1. TSO TSO C-129/C-129a allowed the use of GPS for supplemental navigation for non-precision appr oaches. An installation meeting TSO-146a requirements allows the use of your 400W/500W navigators as the primary navigation device for precision appr oaches.
4 GPS Accuracy GPS Condition Accuracy Level Accuracy of the original GPS system, which was subject to accur acy degradation under the government- imposed Selective Availability (SA) program. 100 meters T ypical GPS position accuracy without SA. 15 meters T ypical differential GPS (DGPS) posi- tion accuracy .
5 5. GPS P osition Calculation Rate The W AAS GPS receiver calculates its position five times per second rather than once per second like the Classic C-129/C-129a GPS systems. This, together with the enhanced vertical accuracy and other system en- hancements, allows for vertical approach guidance.
6 11. OBS Oper ation SUSP after canceling OBS when on From side of OBS path – The change in behavior is this: When you put the 400W/500W -series unit into OBS mode and the course selected places the.
7 7 14. Magnetic V ariation Options Magnetic variation has been simplified to the choices of Magnetic and T rue. See the section on Units/Position of the Setup 1 Page in the Aux Pages chapter of the Pilot’ s Guide for mor e details. 15. T err ain Database The T errain function in Nav mode is now a standar d feature.
8 8 20. XM Radio Audio and W eather XM W eather is available thr ough the XM Satellite Radio Service when activated in the optional installa- tion of the GDL 69 or 69A. T extual and graphic weather products such as NEXRAD graphic weather with pr ecipi- tation type, radar coverage, TFRs, T AFs, and MET ARs symbols are displayed in the NA V function.
9 9 21. KAP140/KFC225 Autopilot Operation-Compatible Autopilot outputs for the King KAP140/KFC225 autopilots are activated manually by the pilot after being prompted during the appr oach procedur e.
© 2006 Garmin Ltd. or its subsidiaries Garmin International, Inc. 1200 East 151 st Street, Olathe, Kansas 66062, U.S.A. Garmin A T , Inc. 2345 T urner Rd., S.E., Salem, Oregon 97302, U.S.A. Garmin (Europe) Ltd. Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey , SO51 9DL, U.
An important point after buying a device Garmin 420AW (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Garmin 420AW yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Garmin 420AW - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Garmin 420AW you will learn all the available features of the product, as well as information on its operation. The information that you get Garmin 420AW will certainly help you make a decision on the purchase.
If you already are a holder of Garmin 420AW, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Garmin 420AW.
However, one of the most important roles played by the user manual is to help in solving problems with Garmin 420AW. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Garmin 420AW along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
