SN10 datasheet(21/98 Pages) ETC1

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ILEC SN10 User Manual

SN10 Flight Pages – Competition Mode

3.7 GPS Page

The GPS page displays current GPS information,

and allows you to mark a point and then navigate

back to this point. Use the Mark Position feature to

mark a thermal, a landing field, or a strong point in a

wave. This page is infrequently used during flight.

Place the cursor on Mark Position and press

ENTER

to mark your position. This saves your current

position as the point GPSmark in the database, and then shows you the distance out

and bearing back to this point. The illustration shows you 2.6 miles out from the point

you marked, and you need to turn right slightly to track 269 degrees back to the point.

WARNING

The GPSmark point is marked in the database as a

landing point. Thus, you can use this Mark Position to

remember the location of a landing field. However, if you

use Mark Position to mark a thermal, remember not to

use this point as a landing field on the Alternates or

Moving Map pages.

When the GPS is operating normally, the small N blinks (we call this the GPS blinker). If

the GPS is searching but not yet navigating, you will see a blinking ?. If no signal is

received from the GPS engine (no power, not plugged in, etc.) you will see a ‘broken

line’ symbol here.

If no input is received from the GPS, the SN10 will give you an alert message

suggesting you check the GPS connection; usually this happens when you forget to

plug in the flight recorder. If the GPS is communicating with the SN10 but is unable to

find your position, you will receive an alert that the GPS is not navigating.

If your GPS fails, you can select GPS: Off at the top of this page, and use the SN10 in

dead-reckoning mode (see the Appendix Using the SN10 without GPS below).

Many GPS units do not provide the number of satellites used or accuracy

measurements. In this case, you will see Accur:

instead of a measure of the

current GPS position accuracy.

Software Version 2.31

Manual Revised 13-Dec-2005

Page 14 of 91

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