Chapter 3: Getting Started 17Chapter 3: Getting Started3.1 IntroductionThis chapter introduces the RayData, explains how to turn it on and off,describes the display and the functions of the keys, and explains how toperform some basic operations.It covers the following topics:• Using the keys• Turning the RayData on and off• The display• Changing the information displayed• Changing the lighting• Using the Locked Heading facility• Man overboard (MOB)Details of the functions of all the key presses are given in Appendix A.
