For ease of reference, we suggest you download a PDF file with the symbols and their meanings on it. The legend is made in A4 format (210x297 mm/8.26”x11.69”) and can be printed on any printer - color or black and white.
If your printer does not support A4, use the Stretch to Full Page feature in the print menu of Adobe Reader.
Adobe Reader can be found here.
The Legend can be downloaded here.