Which Memory Card for 76Cx?

I just bought a GPSMAP 76Cx for bicycling and hiking use.
It seems I missed the $50 off sale that ended 31 Aug, but the dealer had
pity on me and gave me $20 off.

It comes with a 1 GB microSD memory card. This isn't even big enough to
hold the whole City Navigator 2010 NT. I'm thinking I may want some Topo
maps as well, if only the free ones. I just looked at the free Arizona
install, and it is 177 MB on the computer.

This raises a couple of questions - can I put several maps on the card,
and switch between them, or do I need to install each map on it's own
card and switch cards? That might be tricky - those cards are really,
really small!

If I can put all my maps on one card, and I'm thinking custom POIs and
track points are also saved to the card, how big a card should I buy?

Dave S.

Hi Dave,
The 76csx will overwrite anything similar on the card.
Maps overwrite maps.
Routes overwrite routes.
Waypoints overwrite waypoints.

So multiple cards is the way to go. They don't cost much.

John

You can have multiple maps on a single card, but you must upload them
all at once. Each time you upload maps to the receiver, the old maps are
erased.

Buried somewhere in the receiver's menu system is a screen where you
select what maps are active.

So, assuming you have City Navigator and your Topo maps installed on
your PC, you can fire up MapSource, select the CN maps, toggle to the
Topo maps, select them, and then upload the whole mess to your receiver,
then go and have lunch as it will take a long time.

If you have an external USB-2 SD card reader, upload to that and it will
be a lot faster.

I have City Navigator 2009, non-NT version (not compressed), and it fits
on a single 2GB microSD card in my 76CSx.

The 76C(S)x and 60C(S)x are documented to support SD-HC cards, which I
think are available up to 8GB.

--
Bert Hyman        St. Paul, MN        bert@iphouse.com

|
|
| You can have multiple maps on a single card, but you must upload them
| all at once. Each time you upload maps to the receiver, the old maps are
| erased.
|
| Buried somewhere in the receiver's menu system is a screen where you
| select what maps are active.
|
| So, assuming you have City Navigator and your Topo maps installed on
| your PC, you can fire up MapSource, select the CN maps, toggle to the
| Topo maps, select them, and then upload the whole mess to your receiver,
| then go and have lunch as it will take a long time.
|
| If you have an external USB-2 SD card reader, upload to that and it will
| be a lot faster.
|
| I have City Navigator 2009, non-NT version (not compressed), and it fits
| on a single 2GB microSD card in my 76CSx.
|
| The 76C(S)x and 60C(S)x are documented to support SD-HC cards, which I
| think are available up to 8GB.
|
| --
| Bert Hyman St. Paul, MN bert@iphouse.com


Jack Erbes is another expert in this department, and I recently asked him a
similar question.
The GPs looks for a .img file on the card and nothing else. Therefore, as
Bert suggests, you have to use Mapsource to create a multiple map entity and
then download to the device.
a 1GB card will simply not do. CNNA 2010.1 is a minimum of 1.1+
Spring for a 2GB or even 4.
I recall that the 76 can address 8GB, though not sure.

--
Regards,
Richard Harison

LightByrd wrote:

Thanks to all for your comments.

I've now purchased a 4 GB card, and it is being loaded with CNNT 2010 as

I'm puzzled by the suggestion to load the card in my card reader, but
haven't been able to try it because the 4 GB card in an adaptor don't
seem to register in the reader (to Windows Explorer, I mean). When I put
the 1 GB card in the adaptor, it is recognized right away.

If it was recognized, how would I go about loading the maps to it?
Surely not the same way as if the card was in my GPS?
Perhaps there's a web site which describes the procedure?

Dave S.