Manual

B-3
Satellite terms:
DOP Dilution of precision. DOP is a measure of the satellite geometry
quality and hence the relative accuracy of your position (one
meaning the best and ten meaning poor).
EPE Estimated position error. EPE, which is computed using the satellite
geometry (DOP), signal and data quality, receiver tracking status
and other factors, is an overall measure of your position accuracy.
B.2 COURSE TO STEER (CTS)
Course To Steer is a GARMIN exclusive that recommends an optimal
direction to steer that will guide you to the course and proceed efficiently
along your route.