60 RAYDATA Installation and Operation HandbookChanging the Locked HeadingIf you wish to change the value of the locked heading, use the ÙÙÙÙÙ key toincrease the locked heading value or the ÚÚÚÚÚ key to decrease it. Usesingle key presses to change the value of the last digit by one, or pressand hold the key to change the value by larger amounts, in the sameway as for setting alarm values.Note: You cannot change the locked heading from the RayData if it hasbeen locked by an autopilot, as indicated by PILOT HEADING at thetop of the display.Locked Heading Over-rideIf the RayData is being used as part of a larger system, with an Autopilotconnected to the SeaTalk bus, then the Autopilot selected course willover-ride the RayData locked heading, replacing its value with the newpilot locked heading. When the pilot comes out of locked headingmode, the RayData heading will be unlocked, even if it was previouslylocked.
