B&G Deckman - Manual (Page 130)

GRIB viewer
9.3
Note. Some variables may not be available if the data was not contained
in the GRIB file
Also at the bottom of the display are four data boxes which show the
value of the data at the present position of the cursor:
Wind Direction: degrees (from)
Speed: Knot
Current Direction: degrees (to)
Speed: Knot
Pressure Millibars
Temperature Centigrade
Figure 9.2