How can I tell what version of firmware is in my Garmin eTrex Legend Cx?
MENU > MENU > Setup > ENTR > System > ENTR > MENU >Software Version > ENTR
2.
How do I upgrade the firmware on my unit?
Use Garmin's Webupdater software for Mac or Windows systems to upgrade the firmware.
3.
How can I tell how much map memory is in use on the GPS?
There are a couple of options.
On recent firmware, Go to the Main Menu, then select or press Tracks:Enter:Setup:Enter:Data Card Setup:Enter:Menu:Card Info:Enter
On any firmware, but you can start Mapsource
and read maps from the GPS. In the tab for 'maps' it will display a total of
the space used.
Alternately, you can put the GPS into Mass Storage mode and
view the disk usage on it from your favorite computer.
4.
Why do I sometimes see two firmware version numbers displayed?
If you see two version numbers displayed, the first is the main OS of the receiver. The second is the version of the code used by the receiver circuit.
Around mid 2008, Garmin started shipping these models with Mediatek
receivers instead of the SirfStar III receiver chips. If there is
no letter after the second version or the letter is 's', you have
a Sirf model. If there is an 'm', you have a Mediatek receiver.
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