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should i get a G400 or G400s - FINAL UPDATE: 3 x g400s defective in a row, , asked for refund - Page 2

post #11 of 24
Quote:
Originally Posted by r0ach View Post

You should never ever ever ever use the Logitech mouse software unless you want every setting you use to be interpolated.

unless you have a mouse with on board memory like g300 and g9x, etc...
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post #12 of 24
That's false. Current G400/S software does not interpolate default registries, at least the two base ones.
post #13 of 24
Quote:
Originally Posted by obi.van.kenobi View Post

unless you have a mouse with on board memory like g300 and g9x, etc...
How so?
post #14 of 24
Doesn't have anything to do with onboard memory. It is entirely based on the capability of the sensor. In LGS, native sensor steps are always used when available. Non-native steps are calculated based on downscaling from the next-higher step.

Native steps on G9x/G500/G700 are 200-5700 in 100 CPI increments
Native steps on G100/100s/300/602 are 250-2500 in 250 CPI increments
Native steps on G500s/G600/G700s are 200-8200 in 50 CPI increments
Native steps on G400 are 400/800/1800/3600
Native steps on G400s are 400/800/2000/4000

So if you have a G300 and you set it to 800 CPI, the software sets the sensor to 1000 and uses a filter driver to downscale movement by 20%. There is more technical detail than that but that's the gist.

In the case of the G400/G400s, most of the CPI values you can select in LGS are not native, because that sensor does not have many native values due to the fact that it is a much older architecture than the sensors in our other mice.

Webtax - if the buttons aren't working you should contact support. That is not normal behavior.
post #15 of 24
Quote:
Originally Posted by CPate View Post

Doesn't have anything to do with onboard memory. It is entirely based on the capability of the sensor. In LGS, native sensor steps are always used when available. Non-native steps are calculated based on downscaling from the next-higher step.

Native steps on G9x/G500/G700 are 200-5700 in 100 CPI increments
Native steps on G100/100s/300/602 are 250-2500 in 250 CPI increments
Native steps on G500s/G600/G700s are 200-8200 in 50 CPI increments
Native steps on G400 are 400/800/1800/3600
Native steps on G400s are 400/800/2000/4000

So if you have a G300 and you set it to 800 CPI, the software sets the sensor to 1000 and uses a filter driver to downscale movement by 20%. There is more technical detail than that but that's the gist.

In the case of the G400/G400s, most of the CPI values you can select in LGS are not native, because that sensor does not have many native values due to the fact that it is a much older architecture than the sensors in our other mice.

Webtax - if the buttons aren't working you should contact support. That is not normal behavior.


How exactly can i set it to 800 DPI? My mouse doesn't do that.

Furthermore, I've notice that when I don't leave it on onboard memory (Lgs controls stuff...), at the same DPI the mouse feels different. Although I will admit this might not just be a Lgs issue, Microsoft and AMD (at least in my case) might have a hand in the issue also...
Edited by obi.van.kenobi - 10/9/13 at 1:30pm
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post #16 of 24
Thread Starter 
so next day, i took it to the brick and mortar store.. they didn't want to receive it claiming it was working well,. i had to show them with my netbook and the mx510 the difference, still they weren't conviced. but then they took it in to "review it" , i'll have the response next week, but it doesn't look good.

if i receive a negative answer i'll try contacting logitech directly to see what they can do (i'm on south america)
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post #17 of 24
Thread Starter 
conclusion of the story:

Finally the store accepted to change for a new mouse.

Tried two more g400s, all of them had the same defect. I could have kept going trying more but i decided to ask for a refund after the third mouse.

Guess i wont be getting a new mouse then lol
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post #18 of 24
I say just go for the regular g400. See if it has the same problem.
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post #19 of 24
I've had four G400 mice and they all have issue with the dpi buttons not always registering. The most common failure is the top button for increasing dpi. It's clearly a design fault not addressed with the G400s.
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post #20 of 24
Thread Starter 
oh, thanks for the feedback. ill skip the g400 too then, as i may have the same issue... mm
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Overclock.net › Forums › Components › Mice › should i get a G400 or G400s - FINAL UPDATE: 3 x g400s defective in a row, , asked for refund