[OSM-newbies] Two questions

[John1981]

Hi,

I have two quick questions which I wonder if anyone can answer:

I got my NaviGPS yesterday, after having to send the first one back, and 
have an issue with it. I cant get any of my SD cards to work with it, 
including the Transcend 2GB one I bought from StorageDepot at the same 
time as the GPS unit, which works fine in my camera. I do wonder if the 
manufacturer has changed the specification so that it only works on 3.3V 
instead of 2.85V like most of the cards on the market. Has anyone had 
any issues with a Transcend 2GB card with a NaviGPS recently?

Also, most of the sideroads where I live are standard residential 
20mph/30mph roads. Should this be tagged as "Unclassfied" roads or 
"residential". The Map Features page in the Wiki is slightly ambigious. 
They are unclassified roads, but also for access to residential areas. I 
have found examples of both being used on the map, and wonder if there 
is a preference?

Many thanks in advance,

John
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