How To Use This Manual: Typographical Conventions - Lowrance iFINDER GO Advanced User's Manual

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Operation instructions manual (17 pages)

Table Of Contents

Table of Contents

beyond basic GPS. The FAA has a plan under way to boost GPS per-

formance even further with its Wide Area Augmentation System, or

WAAS. This GPS add-on will include a time control element that will

help airliners fly closer together while avoiding collisions. In addition to

carefully spacing airplanes along travel corridors, WAAS will eventu-

ally make instrument landings and takeoffs more accurate as it re-

places existing aviation navigation systems.

Non-aviators can use WAAS signals to make their GPS navigation even

more accurate. Your iFINDER receives both GPS and WAAS signals.

However, WAAS has some limits you should know about.

First, the U.S. government has not completed construction of the

WAAS system, so it is not yet fully operational. The ground stations are

in place, but only a few of the needed WAAS satellites have been

launched.

WAAS can boost the accuracy of land GPS navigation, but the system is

designed for aircraft. The satellites are in a fixed orbit around the Equa-

tor, so they appear very low in the sky to someone on the ground in

North America. Aircraft and vessels on open water can get consistently

good WAAS reception, but terrain, foliage or even large man-made struc-

tures frequently block the WAAS signal from ground receivers.

You'll find that using your GPS receiver is both easy and amazingly

accurate. It's easily the most accurate method of electronic navigation

available to the general public today. Remember, however, that this

receiver is only a tool. Always have another method of navigation avail-

able, such as a map or chart and a compass.

Also remember that this unit will always show navigation information

in the shortest line from your present position to a waypoint, regardless

of terrain! It only calculates position, it can't know what's between you

and your destination, for example. It's up to you to safely navigate

around obstacles, no matter how you're using this product.