dragonfly 5 series questions please

[mtnbowhunter]

-is it true that if you register your dragonfly with Raymarine they will add another 2 yrs of warranty for a total of 3 yrs warranty??

- is there a sun screen that is available that will work with the NON flush mount stock mounting system? - when I was asking about a sun cover / screen for the dragonfly 5 stock mount I was referring to a cover which would help with viewing the screen details in very bright sunlight

- is the dragonfly 5 DVS software upgradeable of the internet at home??

- what is the last update put out that applies to the dragonfly 5DVS??