Samyung NAVIS800FS Instruction Manual page 62

2.2.2 Derailment Alarm
In using the Waypoint Navigation and Route Navigation, this function creates an alarming once the own
ship derails the preset course range on her way to the destination.
 Press
(
 Use
(
In selecting [ON], use the number buttons to input the derailment alarming range (0.01 ~ 9.99).
The course derailment range is indicated in blue line, the left window in the bottom shows the derailment
distance.
) button and move [2.SET]  [2.ALARM SET]  [2.XTE ALARM].
) button to select [ON] / [OFF].
62