Hey guys, there seems to be something a little irregular with the screen. When I press on the screen anywhere, there is a spot on the screen that appears to be what looks like pressure being exerted on it. Just like how it looks when you press on the LCD screen of a laptop. This happens also when i press on the case at the top on the left side. The spot I am talking about is about 1 in down from the top of the screen and about 1.5cm to the right from the left of the screen. It is not easily seen unless the screen is displaying a very dark background.
There is a membrane over the surface of the screen that will flex as any pressure is applied to the touch screen, both by the pen and by the frame. If you look at it through polarized sunglasses you can see the effect of any pressure quite dramatically. Unless the screen is malfunctioning or there is color distortion, I don't see a problem.
liquidsilver said:
There is a membrane over the surface of the screen that will flex as any pressure is applied to the touch screen, both by the pen and by the frame. If you look at it through polarized sunglasses you can see the effect of any pressure quite dramatically. Unless the screen is malfunctioning or there is color distortion, I don't see a problem.
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i dont think thats what hes talking about, he makes it sound like whne he touches the screen a "lcd ripple" appears somewhere else on the screen.
Mine does this when i slide hte keyboard, i can see one in the middle, it kinda worries me, especially since my last kaiser's screen broke and i didnt do anything, i just took it out of my pocket and it was like that.
So my only complaint so far is the screen sensativity.
I know this doesnt use a capacitive screen, so it needs physical pressure, but it seems to me the glass on the top of the screen makes it need alot more pressure than i'm used to. The middle of the screen seems to be more sensative, and the outside less sensative.
You can test this by putting your finger down on HOME in touchflo, then scrolling to programs and back again. If you pres hard, it will go back and forth. If you use less pressure at home and programs it will load the programs or home screen, as if you released your finger.
So i know there's two reg keys for this:
HKEY_LOCAL_MACHINE\Drivers\TouchPanel
By doing a screen slignment and pressing hard with the stylus i get a lower value here, and by pressing lightly i get a higher value here.
So high value = detects lighter press, low value - needs harder press
HKLM\Software\OEM\TFLOSettings\fingurepressure
This i'm confused about. I tried setting it to 0, 2, 14, 200, 255, 600, and there's not noticable difference as far as i can see.
Is there some sort of program that can read the the pressure from the screen and display it? This would help make the tests alot more scientific!
Someone posted this tip in the tips and tweaks thread above...maybe useful to you??
One tip for changing the sensitivity if you don't want to mess around in the registry:
- run the Align Screen setting (under Settings/System/ Screen)
- when you press on the 'targets' with the stylus, use VERY light pressure...just enough that the tap is accepted
- I usually tap a few times on each target, starting too lightly, and then gradually increasing the pressure until the tap is taken
- do this for each of the 5 targets
I found this seems to make the Diamond calibrate a higher sensitivity for its touch-screen, so finger touches can be much lighter.
This is probably a safer way to change the sensitivity, as you don't risk putting an invalid number into the registry.
Thanks, i already tried that.
Can someone tell me their value for this key?
HKLM\Software\OEM\TFLOSettings\fingurepressure
Screen sensitivty
Spawn12 said:
Someone posted this tip in the tips and tweaks thread above...maybe useful to you??
One tip for changing the sensitivity if you don't want to mess around in the registry:
- run the Align Screen setting (under Settings/System/ Screen)
- when you press on the 'targets' with the stylus, use VERY light pressure...just enough that the tap is accepted
- I usually tap a few times on each target, starting too lightly, and then gradually increasing the pressure until the tap is taken
- do this for each of the 5 targets
I found this seems to make the Diamond calibrate a higher sensitivity for its touch-screen, so finger touches can be much lighter.
This is probably a safer way to change the sensitivity, as you don't risk putting an invalid number into the registry.
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Tried that, and its really works. Thank a lots.
someone1234 said:
Thanks, i already tried that.
Can someone tell me their value for this key?
HKLM\Software\OEM\TFLOSettings\fingurepressure
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Click to collapse
the value is 19 in uk device rom.
vijayvasa said:
the value is 19 in uk device rom.
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19 decimal?
I've just about had enough of this touchflo.. pretty but soooo anoying to use
Today on about 3 ocasions i was navigating through it and got a call.. the lights on the touch wheel were flashing and it was playing the ringtone, but the whole phone was frozen for about 4 seconds. Eventually the call popped up and i was able to answer!
I think i'm going to diable it and do my best to make the rest pretty.
You just have to be patient...the roms are not mature yet...
In 3 months you'll see that Diamond will be the best phone out there
I also am trying to find out the best way to configure the finger sensitivity.
HastaSSSS
s1rl4ncel0t said:
In 3 months you'll see that Diamond will be the best phone out there
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Click to collapse
yeah but 3 months is a long time... i have to do something to stop myself smashing the phone on the floor on frustration!
for now i'm going to disable touch flow, and i'll come back to it when a new rom comes out.
Have you tried the new rom 1.37.XXX ?
Bye
I have a UK diamond.. so it came with 1.37.405.1
I've just done the "light tap" trick, and now it's perfect...
Could it be that you have a defective device?
Bye
Its better with that 'trick' but still anoying. I have a feeling i'm just too used to a capacitive screen.
The wierd thing is with the light tap the key HKEY_LOCAL_MACHINE\Drivers\TouchPanel ends up back to 30 to 50 decimal.
i only bought it today yet im seriously thinking of taking it back. The iPhone is just the better product, and always will be, unless Microsoft and the software developers get as passionate as those at apple.
Its Laggy
Its un-intuative
The touch screen isnt as sensitive as it should be. (why are they still using resistive touchscreens)
And the opera browser isnt all that either, it doesnt redraw quick enough for the full page display thing to really be all that impressive on zoom in/out and leaves chessboard squared at it struggles and chuggs to redraw.. . .not great, not when the comptetition is as good as it is. . . . .im thinking 3G Iphone, ****ty camera or not.
Loose the 6.1 and stop trying to polish that turd with TouchFlo's. Yeah good effort, but it just aint good enough
J
WM is just a huge resource hog. The touchflo is slow because its a plugin for the today screen, which then calls on windows API's to draw onto the screen.
Its such a long long way round to get to the hardware that its just slow no matter how well u code.
I just hope someone ports android to the diamond, because the hardware is amazing, the OS is a pile of ****!
BTW they use resistive touchscreens to have increased touch resolution. Also a stylus wouldnt work with a capacitive screen.
I prefer to work with resistive LCD than capacitive...
The capacitive have better sensibility, but are less precise...
Although the Diamond LCD is not as sensitive as a capacitive, it's sensitive enough to work well with the fingers...
It's just a matter of tweaking.
HastaSSSS
Resistive screens use a grid of conductive material, sandwitched between the glass and a conductive layer. They alternatly pass an electrical current on each line of the grid along the x and y axis. When you press the screen you touch this grid onto the conductive layer and the current passes through it, which is detected. You can make resistive screen that have a very high resolution of detection, and the resolution is always what you design it to be.
Resistive screens are pressure sensative, and by design can't handle multi-touch.
Capacitive screens use glass coated with a conductive coating. The edges of the screen are connected to conducters. Each conducter has a different frequency oscilator connected.
The capacitance of a human finger changes the impedance of the screen, and so changes the frequency of the oscillator circuit. This gets converted to distance from each oscillator and so a co-ordinate.
The resolution is limited by how acuratly you can detect changes.
Typically in electronics very small changes are hard to measure because they are indistiguishable from noise.
Capacitive screens can handle multi-touch, but the resolution of each touch is decreased in that case.
Capacitive screen resolution is not absolute and can change with increased noise in the system, or by multiple capapcitive effects on the screen - like multiple touches.
Sent my phone in for repair, and it seems that the ROM version was updated. As a result, it seems that the projected display doesn't cover the whole screen. There is a noticeable gap at the bottom and right of the screen. Is there a way to stretch or realign the screen through registry? (I've tried the display align settings, but it doesn't seem to make any difference).
Pictures?
A little gap is on my device as well. At the bottom. But it's almost not noticable.
Not for pictures - but in general.... it's almost as if the display doesn't stretch the full length and width of the screen.
Has anyone tried using a stylus with their NC? - any success? I tried using my wife's Pogo stylus with not-so-good results. It's like it's drawing an inconsistently dashed line or a VERY crooked line at best. I've tried holding the stylus in several ways (ie. angle, straight up/dn, pressing harder and lighter, etc.) all with the same or very similar results. Everything is very smooth when using my finger, of course. I don't intend on using the stylus for really anything beyond SketchBookMobile.
I've also ordered a Dagi P005 in hopes of better results. It should be here in the next few days.
Thanks, in advance.
Just noticed I should have posted this in the "Accessories" section. You have my apologies.
I don't think the screen has enough input resolution to use a stylus effectively. If you look at the screen from an angle in light, you'll see little 2-3 cm squares. I think the issue is that the Nook doesn't know precisely where the pointer is using such a small stylus and such an imprecise capacitive layer.
LCDDensity App fixes problems with screen not sensative enough
silivrenion said:
I don't think the screen has enough input resolution to use a stylus effectively. If you look at the screen from an angle in light, you'll see little 2-3 cm squares. I think the issue is that the Nook doesn't know precisely where the pointer is using such a small stylus and such an imprecise capacitive layer.
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There's a free app in the marketplace called "LCDDensity" for Root users. It allows you to change the value of the default LCD Density of the Nook Color display. The default is 160ish. If you change the number higher, everything appears larger on the screen. That includes icons, fonts,...everything.
I've noticed that when I changed my LCD density up to 200, the problems with the screen not being very sensitive in the corners and edges went away. I guess now that everything is larger, it presents a bigger target for my fingers, and everything is working great now. Also fixed problem with text just being to small for my eyes on some apps.
Give it a try, it may make the stylus work a little bit better.
I'm a little disappointed to read that as I was considering getting a stylus. Maybe your screen needs recalibration? Or maybe changing the density will help. If you have better results, please post back.
Does anyone else have this problem:
When you're just pressing a bit harder than the usual touch, on the top and bottom Left side bezel, it causes the Screen to ripple (fluid wave effect).
Not even pushing down too hard, just a firmer press than usual. This is easy too see on a darker background, like the default background when the device wakes up and still in locked mode.
Yes I realize it's a LCD screen, plus this Corning glass is thinner, and we're not always pressing it that hard to notice anyway.
But the Right side bezel and other areas are mostly fine,
So I'm wondering if it's a defect on my device or not (the left side being too sensitive)? would this cause further problem in the future? And it could be a concern if I carry the Nexus 7 in the backpack and other items pressing on it.
Other reports on this:
http://www.theverge.com/2012/6/29/3125396/google-nexus-7-review
"the display can give a little and cause the LCD to ripple if you really press hard against the screen"
http://forums.androidcentral.com/google-nexus-7-tablet-forum/191040-screen-distortion.html
I wonder if I try the Fix on the other thread, taking off the cover, but instead, loosen the screws a bit on the left side, would that help?
Thanks!
Hi,
My device has this too. Mostly on the left side & a little less on the right side but hardly any on the top or bottom.