11-7To use offset navigation...· Move the cursor over the offset distance.· If you wish to navigate to the left of your course, simply enter thedesired offset distance. Otherwise press the CLR key, followed by“R”, and then enter the desired offset distance.· Move the cursor over “OK?” and press the ENT key.While using offset navigation, you will be informed with the message“OFFSET NAV IN EFFECT”. (NOTE: Offset navigation is only available forroute navigation. You will be informed with the message “CANNOT OFSTGOTO RTE” if offset navigation is not allowed. If you enter a large offsetwhich causes a leg to be reversed, you will be informed with the message“OFST TOO BIG FOR RTE” and offset navigation will not become effective.If you activate a new route or use the GOTO function, offset navigation willbe cancelled and you will be informed with the message “OFFSET NAVCANCELLED”.)To cancel offset navigation...· Move the cursor over the offset distance. Press the CLR key followedby the ENT key.· Move the cursor over “OK?” and press the ENT key.The GPS 100 offers you three magnetic variation options. You may selectTRUE, AUTO, or USER magnetic correction for all track, course, andheading information. If you select TRUE, all information displayed on otherpages will be referenced to the true North pole. If you select AUTO magneticheading, all information will be corrected with the automatic magneticvariation computed by the GPS 100. If you select USER magnetic heading,all information will be corrected by the magnetic variation you enter.To select true heading...· Move the cursor over the heading mode select field and press the CLRkey until “TRUE HDG” is displayed.· Move the cursor over “OK?” and press the ENT key.