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Zowie EC2 Tracking Issue

post #1 of 15
Thread Starter 
Hey all, I ended up receiving a Zowie EC2 White as a gift a few days ago. When I started gaming with it, something felt off. I play a wide variety of stuff but mostly FPS/RTS at the moment. I loaded into a game of League of Legends. With this game, I usually flick my mouse to the screen edges quickly to pan around my view. I lifted my mouse off the pad to reset it, mind you the cursor was left at the edge of the screen to my right. Upon setting my zowie back down center of my mousepad, I realized the cursor had floated to a different location of my screen. Thats when I decided to test this out.

Now, here is the issue, the zowie will stop tracking at a very low distance. Then I noticed when the mouse reaches 1/2"-1" lift off distance, the mouse cursor will move. Hard to describe, because it doesn't appear that the zowie is actually tracking at that high distance. If I move the mouse around, held 1" above the pad, the cursor moves but it doesn't seem to follow the pattern in which I move the mouse. It seems that the mouse cursor goes into a "ghost" state and will randomly move in a certain direction. it does this even if I hold the mouse completely still.

This creates a major issue for me, because the lift off distance where the mouse cursor will go into this "ghost" state and float in a random direction is the same as the natural height that I lift my mouse to reset it. The zowie tracking at 500dpi is perfect, however 1000/2000 dpi settings seem to have issues. Wondering if anyone else has this problem or if my mouse is just defective?

I created a video so you guys could check out the problem:
[ame]http://www.youtube.com/watch?v=cXgrSVtaypI&feature=channel_video_title[/ame]
post #2 of 15
It appears to be a common problem with these mice due to the custom lens. Such a shame :\

http://www.overclock.net/mice/983718-zowie-ec2-liftoff-problem-new-mouse.html
post #3 of 15
I don't seem to have the problem i'm using a Zowie EC1 Black. I only notice that as I change the dpi to from 500 to 1000 and then 2000 the lift off distance is a bit higher than it is at 500. It is not as high as in your video though. It would stop tracking at the height you are holding in the video.
Edited by raiikd - 6/13/11 at 5:08pm
post #4 of 15
Thread Starter 
Raii, set it to 2000dpi, then slowly move the mouse up and down. try to see if you reach a height where the cursor starts to move, if you find it, hold the mouse still. Should move around how mine does.

If you really don't have the problem though, then its possible some are defective? I do think Skylit seems to be right though, it may be the custom lens. However I'm not sure why at 500dpi it doesn't happen for me. If it really was the lens causing the issue, wouldn't it also cause it at 500dpi?
post #5 of 15
Quote:
Originally Posted by Derp;11195850 
Lift off distance
This is where my EC2 failed big time. Zowie specifically used a special lens to lower the lift off distance on their EC series of mice and claim a lift off distance of around 1.5mm. My Ec2? It seems to have two stages of lift off, if I lift it up it stops tracking the surface at the advertised distance but then a little bit higher it starts tracking the surface again to idiotic heights....I get cursor movement up until 9.6mm. Fail.
Quote:
Originally Posted by Derp;11195850 
UPDATE- After some more testing i found out that if the mouse is set to 500 DPI the high lift off bug is gone but is present at the other two settings. Also lowing the polling rate to 500 greatly reduced the jitter.

So if you are in the market for a $60 500DPI mouse with prediction consider the EC2.
http://www.overclock.net/mice/857997-my-zowie-ec2-experience.html

From my review of it last November. 500DPI worked fine for me as well.
Edited by Derp - 6/13/11 at 5:22pm
post #6 of 15
Quote:
Originally Posted by jasonjlx;13860614 
Raii, set it to 2000dpi, then slowly move the mouse up and down. try to see if you reach a height where the cursor starts to move, if you find it, hold the mouse still. Should move around how mine does.

If you really don't have the problem though, then its possible some are defective? I do think Skylit seems to be right though, it may be the custom lens. However I'm not sure why at 500dpi it doesn't happen for me. If it really was the lens causing the issue, wouldn't it also cause it at 500dpi?

I tried what you said and I did not get any problems just a little bit higher lift-off distance. I even put the cursor on top of windows desktop to see if that would cause it, but I could not see the problem being duplicated. It may be a defective mouse, but I may be wrong.

I am currently using the Zowie G-TF cloth mousepad.
Edited by raiikd - 6/13/11 at 5:38pm
post #7 of 15
LOD is common in mice, it isn't a defective mouse. It's the sensor used.
post #8 of 15
Quote:
Originally Posted by Morizuno;13860830 
LOD is common in mice, it isn't a defective mouse. It's the sensor used.

Trust me, this is defective. The same sensor in a different mouse will have a much lower LOD.
post #9 of 15
It might not like the mousepad you're using. I've used an EC2 on several different pads (QcK+, Talent, Kai.G3, Sphex, func...) and never encountered this issue at any DPI setting.
System 1
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 930 4.0GHz 1.25V EVGA x58 SLI LE EVGA GTX 560 Ti (950/1125) 6GB GSkill Ripjaws 
Hard DriveOSMonitorKeyboard
1TB Spinpoint F3 + 128GB Crucial C300 Windows 7 Pro x64 Viewsonic VX2265wm 22" 120Hz ABS M1 
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System 1
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 930 4.0GHz 1.25V EVGA x58 SLI LE EVGA GTX 560 Ti (950/1125) 6GB GSkill Ripjaws 
Hard DriveOSMonitorKeyboard
1TB Spinpoint F3 + 128GB Crucial C300 Windows 7 Pro x64 Viewsonic VX2265wm 22" 120Hz ABS M1 
PowerCaseMouseMouse Pad
XFX Black 850W Antec 1200 Steelseries Xai Steelseries 4HD 
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post #10 of 15
Thread Starter 
Quote:
Originally Posted by Morizuno;13860830 
LOD is common in mice, it isn't a defective mouse. It's the sensor used.

Out of every mouse I have tried, I haven't seen this before. Even my Mamba, which is known for its failboat Z-axis tracking doesn't have this problem. With the Mamba, you lift off, mouse cursor jumps down right and stays there. No matter how high I bring the Mamba it will not track again. My DA 3G stops tracking at lift off, cursor stays still, never moves.

I don't think its normal to hold a mouse still far above any surface and have the cursor float around.

Also, not a mousepad issue. I have tried qck, scarab, ironclad, my wooden desk surface, and a white sheet of paper. The tracking issue is present on every surface. The mouse is only perfect at 500dpi, that is the only thing that "fixes" this. I contacted zowie about this see what they say. I wouldn't mind doing an exchange but if this is a common issue, I wil just return it. Going over Derps review, I seem to have the same exact issues with it.
Edited by jasonjlx - 6/13/11 at 6:19pm
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