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Old 02-10-2015, 01:10 PM   #1
Edge56 OP
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Montana 600

I am thinking about purchasing the Montana 600 for my bike. Can i buy the Garmin City Navigator North America NT DVD and install on the memory of Gps for Road use and then buy the Garmin TOPO US 100K microSD Card for when I want to use the gps for offroad? Will I have enough memory to keep them both on there?

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Old 02-10-2015, 05:24 PM   #2
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It would work as you described it: CNNA taking 1.75 or 2.5GB of the Montana 600's memory and the 100k topo (North America) taking 3.some G of a microSD card.

They add up to 5.6 or so Gigabytes and the Montana 600 has only 3.64G and needs room for the firmware. You cannot put them both in the Montana 600's internal memory -- you will need a microSD card for one.

CNNA with complete US and Canada plus cities and some connecting roads in Mexico is 2.5GB. You may be better served by getting CNNA 49-state(1.75GB plus CNNA Mexico (250MB). But that's an assumption by a yankee surrounded by Canadians.

The Montana 650T has 7.35G of memory and includes the 100K topo. You would have space to put 100k topo plus CNNA on the Montana without a microSD card. Plus you get a mediocre waterproof camera in the bargain.
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Grinnin screwed with this post 02-10-2015 at 05:34 PM
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Old 02-10-2015, 05:41 PM   #3
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Thank You!
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Old 02-11-2015, 08:36 PM   #4
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The problem with the 100K maps if that they are not routable. You need the 24K maps if you want routing capability.
The 100k maps are only moderately useful for off road because of this, and because they lack detail where it counts.
CN will have many tertiary roads but will not show trails.
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Old 02-11-2015, 08:52 PM   #5
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600's can be had at a good price now. You could get the CN on CD and put it on a SD card to keep it off the internal memory. You could either purchase the Topo maps you want from garmin or get topo maps for free from several sites and put them on the SD card as well. I love my 600 now that I have figured out Basecamp.
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Old 02-11-2015, 09:08 PM   #6
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I went with the 600T (100k topo) and CNNA and all my other topo maps, Baja, etc on the microSD.
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Old 02-12-2015, 07:02 AM   #7
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Old 02-12-2015, 07:11 AM   #8
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I have had the 600 for two months and am happy with a rout able OSM map and various unroutable topos e.g., NC state. Will try the desert southwest topo next month. A bit of a learning curve but have used it on the bike around home and did some testing in the car when the weather was bad. I really did not think I needed the camera and with a big SD card it holds a lot.
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Old 02-12-2015, 09:06 AM   #9
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I'm seeing the 600T at a $50 premium over the 600. Are the 100K topo maps worth the 50 bucks, or will I just want the 24K anyway?
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Old 02-12-2015, 01:03 PM   #10
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Another issue to consider is that the complete 100k maps already use up 3000 map tiles, and you can only load 4000 at a time.
So running them truly in parallel with CNNA might be an issue. have not tried that maybe Blake can chime in.
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Old 02-12-2015, 03:37 PM   #11
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Quote:
Originally Posted by Rhode trip View Post
I'm seeing the 600T at a $50 premium over the 600. Are the 100K topo maps worth the 50 bucks, or will I just want the 24K anyway?
I think the 100k maps are more useful than 24k. I have both on my 600.

I don't think I have turned the 24k ones on more that a couple of times.

I occasionally use them for trip planning, but I use the 100k and CN maps a lot more often.

But maybe if you do a lot of hiking or riding where there are no trails, then 24k might be more useful.
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Old 02-14-2015, 01:09 PM   #12
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Thanks for the info.
I have CNNA NT 2011 on a dvd for the GPSMap 60cx that I currently have.
If I buy a Montana 600T can I purchase the CNNA map update and use it on there, or will I have to purchase the full version CNNA for the new device?
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Old 02-14-2015, 01:38 PM   #13
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I found I had to purchase a whole new CNNA for the Montana. But I always buy the DVD which will only support one device.

SD card and direct download products may be different.
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Old 02-14-2015, 08:07 PM   #14
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Quote:
Originally Posted by wbbnm View Post
I found I had to purchase a whole new CNNA for the Montana. But I always buy the DVD which will only support one device.

SD card and direct download products may be different.
The SD version is the only one not locked to one gps. But you can't move it from the card to a different card, or the gps itself.

And the download and SD versions can't be updated without buying a whole new mapset.

There's really no advantage to the download version, aside from the immediate availability.
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Old 02-18-2015, 04:04 PM   #15
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Quote:
Originally Posted by wbbnm View Post
I think the 100k maps are more useful than 24k. I have both on my 600.
How is that working for you? Does that not exceed the maximum of 4000 tiles?
I tried that with 100k and 24k SW and about half of the US in the 100k area did not show up on the GPS. It loads until you have 4k tiles and then quits.
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