This update will also upgrade the software in your GXM30 antenna to version 2.20.
XM Audio Favorites may be deleted when applying this update.
Changes made from version 4.00 to 4.10: Improvements to TAF & METAR reports for visibility and remarks.
System requirements:
IBM-compatible PC running Windows 2000 or Windows XP operating system and an available Com 1, 2, 3, or 4 port.
PC Interface Cable for your GPS unit. The PC Interface Cable may be purchased through your local Garmin distributor or ordered direct from Garmin Online Store