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Garmin Bluechart HD with High Res Imagery Slow Render Speed

Old 11-20-2016, 12:43 PM
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Default Garmin Bluechart HD with High Res Imagery Slow Render Speed

I have a Garmin 741xs and use the Louisiana Bayou Chip. The quality of the images are amazing however the speed with which it updates as I run the boat and zoom in and out or switch screen is painfully slow. Sometimes it can take multiple minutes for the actual images to show over the base map. Is this just an issue of the 741 processor not being fast enough for that chip or is there some setting or update that I'm missing?
Old 11-20-2016, 06:15 PM
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Thats a lot of data to move around. I think you are just asking too much for that MFD to process in real time.

You might need to switch to a normal view when moving at any speed.
Old 11-20-2016, 06:33 PM
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Originally Posted by Yrral3215 View Post
Thats a lot of data to move around. I think you are just asking too much for that MFD to process in real time.

You might need to switch to a normal view when moving at any speed.
It doesn't matter whether nor not I'm zoomed in tight or wide, stopped or running. It's slow regardless. I feel like it's on dial up or something, haha.

And the normal view for any chip is absolutely useless here in the marsh. Things change so fast with erosion and nothing shows the small creeks, bayous and bays off the main waterways except for an aerial image.

If the Navionics Platinum plus chip is as fast as it seems in the preview video, I'm dumping this thing for a simrad.
Old 11-20-2016, 07:08 PM
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I suspect you will need to also go to a faster chip MFD when you up-grade. Im sure they are running the Navionics on the fastest possible processor when they make those videos.
Old 11-20-2016, 07:14 PM
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This is the video. It was posted in February 2014 using a Raymarine something so I figure the Simrad Evo2 should work fine. I'll test before switching though.

https://www.youtube.com/watch?v=YRx5...ature=youtu.be
Old 11-20-2016, 08:04 PM
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Originally Posted by Yrral3215 View Post
Thats a lot of data to move around. I think you are just asking too much for that MFD to process in real time.

You might need to switch to a normal view when moving at any speed.
several minutes to redraw, and refresh, and he is asking too much?
out of a $ 1000.00 unit ?
wow......
Old 11-20-2016, 09:06 PM
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Well, I took that to be a slight exaggeration....., but good point if true.
Old 11-21-2016, 05:01 PM
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Well I went to West Marine today to try the Navionics Platinum Plus on an Evo2 9. The images were not quite as good as the Garmin chip but very close but more importantly drew immediately as you panned and zoomed the map. It was literally as fast or faster than using the satellite view of Google Maps on a computer. The guy in the store said that I wasn't the first one to complain about the render speed.
I'm switching camps.

A Reman Simrad NSS Evo2 9 is going on my Christmas list.

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