3-5
31. Range Ring Distance Mark
Shows distance from a vessel to range ring mark.
32. Color Bar This bar consists of 32 colors showing the strength of the echo
received. The higher the signal strength is, the redder the
indication shows.
33. Current Mark1 Shows the tidal current signal received from a current meter.
The direction shows the tidal current direction, and the length
shows the tidal current speed.
Current Mark2 Shows the tidal current direction received from a current meter.
When there is no tidal current signal, the marker moves to the
ship position.