Samyung NAVIS800FS Instruction Manual page 59

If set up a range of Anchor Alarm to [2.SET]  [2.ALRAM SET]  [3.ANCHOR ALARM], the range of
anchor alarm show as a red circle in a plotter screen. Besides, the relative information as such Lat/Lon,
direction, break away distance etc. with set up "ANCHOR" in a bottom-left of the Plotter screen are shown.
If the vessel breaks away from a range of anchor alarm, the alarm sounds and the red circle blinks in
order to advise of the vessel's break away from the range.
For 'ANCHOR ALARM', move [2.SET]  [1.NAVIGATION SET]  [4.EXIT WPT/RTE/ANCHOR] and
press ( ) button or press
( ☞ Refer to '2.1.4 EXIT WPT/RTE/ANCHOR (Navigation Cancellation)' )
[ Ref. ] ☞
If the anchor alarm is set [OFF], the red circle and alarm sounds don't take
place in a plotter screen.
( ) button.
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