Samyung NAVIS800FS Instruction Manual page 25

1.1.2 Track Clear
Use this function to erase the TRACK line of the Vessel.
 Press
(
 Select one of below TRACK CLEAR method, Press
 1.ALL TRACK
 2.COLOR
 Display [Clear confirm], Select [YES] / [NO]』.
Press ( ), Select [3.TRACK ERASE] then display [Track Clear] menu.
) button and move [1.DATA]  [1.TRACK DATA]  [2.CLEAR].
: Clear all TRACK line
: Clear Each color of TRACK line
( ).
25