[Position Format]Set the position format in which a given location reading appears. Do Not change the position format system unless using a map or chart that specifies a different position format.

• hddd.ddddd°
• hddd°mm.mmm'
• hddd°mm'ss.s"
• UTM UPS
• User Grid
• (others)

[Map Datum]Selects the coordinate system on which the map is structured. Do Not change the map datum system unless using a map or chart that specifies a different position format.

• WGS 72
• WGS 84
• User
• (others)

[Map Spheroid]Shows the coordinate system the device is using. The default coordinate system is WGS 84.