Suunto X9 Guía Rápida página 36

19. GPS DATUM LIST
Number Name
255 WGS84
This is the default datum and the most widely used degree-based coordinate
system. You can find the complete datum list in the instruction manual.
20. LOCAL GRID LIST
Name Description
Finnish Finnish National grid KKJ 27
Swedish Swedish national map projection RT 90
British British National grid
Swiss Swiss National grid
Irish Irish National grid
NZTM New Zealand Transverse Mercator Projection
Dutch Royal Dutch grid
BNM M28 Austria Area grid M28
BNM M31 Austria Area grid M31
BNM M34 Austria Area grid M34
Description (Datum)
Global WGS84 coordinate system