Furuno FMD-3100 Operator's Manual page 262

17. WEATHER OVERLAY
[Precipitation Rate], [Wave], and [Ocean Current].
(The weather data file must contain the data selected in order to display it.)
2. The [Color] checkbox, when checked, provides a color presentation of the weath-
er item selected. (Unchecking the checkbox erases the color presentation.)
3. The [Wind], [Wave] and [Ocean Current] dis-
plays can show windbarbs (wind) or arrows
(waves, ocean currents) to indicate the direc-
tion of respective item. Check [Arrow] to show
the windbarbs or arrows.
4. For any display, show or hide the isobar with
[Isobar]. The isobar is the black curved line in
the right figure and it connects points of equal
atmospheric pressure. "H" appears in the case
of high atmospheric pressure; "L" for low atmospheric pressure.
5. Set the information density with the [Information Density] bar. Drag the bar to re-
quired setting. The figure below shows several information density settings and
the resulting displays.
Full dense
6. To hide the weather overlay temporarily, click and hold down the [Hide Weather]
button. Release the button to redisplay the overlay.
17-4
Medium Full sparse