This might seem like a dumb question, and I just got my MTS 2 days ago, so I'm still learning about it, but at the top of the phone, where the LEDs are, what is the function of the opposite side of where you hear your calls? Is it there for looks or does it have LEDs in there also?
it is the proximity sensor... it is what "locks" the screen so you are not activating it with your cheek while on the phone... it also blacks out the screen when you are on the phone
I've always wondered what this was too... thanks for that information.
it also turns the button lights and keyboard lights on/off at certain light levels...that way when its bright it turns the lights off and when ur in the dark the lights come on...i love it!
-BMFC
RavenWulf said:
it is the proximity sensor... it is what "locks" the screen so you are not activating it with your cheek while on the phone... it also blacks out the screen when you are on the phone
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that seems to be incorrect because i use the headset and if i lift the phone to a certain angle the phone screen turns off, but when i tilt it back down it turns on again. i will look into this more but from what i have seen it is just there to be a little more symmetrical(would you want a phone with asymmetrical looks to it)
tubaking182 said:
that seems to be incorrect because i use the headset and if i lift the phone to a certain angle the phone screen turns off, but when i tilt it back down it turns on again. i will look into this more but from what i have seen it is just there to be a little more symmetrical(would you want a phone with asymmetrical looks to it)
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no hes right it IS a proximity sensor...go where theres some light and open the keyboard and see if the keylights are on...if so, try to make it brighter...(shine a flashlight at it or something) and the lights will go off...then put your finger over the sensor and the lights will come on...it works, try it...definitely not just for decoration...what you are experiencing is a perfectly normal effect of the proximity sensor doing what it does...no reason to look into it...
or download "Sensor List" from the market and look, it lists the prox. sensor and its data...put your finger over it and watch the output jump...
or run adb logcat and put your finger over it and itll come up with a entry about the light value changing...
-BMFC
tubaking182 said:
that seems to be incorrect because i use the headset and if i lift the phone to a certain angle the phone screen turns off, but when i tilt it back down it turns on again. i will look into this more but from what i have seen it is just there to be a little more symmetrical(would you want a phone with asymmetrical looks to it)
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without the headset try calling your voice-mail in a lit room and hold the phone away from you and move it all around an at different angles, you will see it makes no changes but just by putting your thumb over that spot it kills the screen and as soon as you remove your thumb it comes back on... might want to actually do some reading or testing before saying someone is wrong. not only would a quick 5 second test show that it is the light/proximity sensor, or you could try a quick google search
You can also have the left light flash for missed messages.
i was doing some testing and i am retracting my statement, you were correct wulf and i am sorry that i doubted this.
hey it's kewl we all make mistakes
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Weird.
Was just on a call but had to search through my contacts and the screen would dim out every 1 second..press the back key again too continue looking and the screen dims out again.
Any ideas on why I can't run another task while on a call because the screen keeps dimming out?
the phone has a proximity sensor like the iphone. when on a call screen will automatically turn off when you put it up to your face because the sensor sees that theres no light (unless your face is a flashlight). you probably blocked it by accident while using the phone. its somewhere on the top of the phone dont kknow exactly where though.
melterx12 said:
the phone has a proximity sensor like the iphone. when on a call screen will automatically turn off when you put it up to your face because the sensor sees that theres no light (unless your face is a flashlight). you probably blocked it by accident while using the phone. its somewhere on the top of the phone dont kknow exactly where though.
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Ahh that makes sense. My DSLR has that as well. Thanks for clearing that up.
Yeah if you put it on speaker it wont do it.
Anyone know how to prevent auto-locking/standby when talking on the phone?
The screen turns off when I'm talking, which I assume is from the light sensor, which is fine, but when I take the handset away from my ear it remains dark or is on lock.
fflakes said:
Anyone know how to prevent auto-locking/standby when talking on the phone?
The screen turns off when I'm talking, which I assume is from the light sensor, which is fine, but when I take the handset away from my ear it remains dark or is on lock.
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I have the same problem since it was new. Sent it back for repair, and told nothing was wrong with it.
I uninstalled all my apps, but no improvement. shaking and tapping the phone makes the screen flash back on for half a second, but not long enough to press hang up or any keyboard numbers for automated answering systems.
I rooted the phone to see if I could get more control, but haven't found an answer yet.
first, where are you having this problem?
WinMo/Android
and second, it's not the light sensor, it's the proximity sensor.
I'm having trouble with the proximity sensor on my HD2. It works if the phone is pressed up directly on my ear, but if I move it away just the slightest, the screen comes back. Is there somewhere I can access the proximity sensor settings, and give myself a bit more room? Like, say, anything inside an inch shuts off the screen?
ROM info is in the sig, and I'm using the HTC phone dialer, if that makes any difference.
http://forum.xda-developers.com/showthread.php?t=624206
Aw balls, I hate it when there's a thread for this, and my impatience with searching failed to find it.
Thanks!
Doesn't sound like that app does anything for the sensitivity, unless i missed it. it just makes the screen stay off after the sensor is activated.
However the point of the proximity sensor is to shut off the screen so your ear isn't pressing buttons. If you've got the phone far enough away from your ear to reactivate the screen, then there's no longer a need to turn off the screen to prevent ear dialing.
If you're worried about power savings, the screen should shutoff in a minute or so, depending on your screen timeout options
d0ug said:
Doesn't sound like that app does anything for the sensitivity, unless i missed it. it just makes the screen stay off after the sensor is activated.
However the point of the proximity sensor is to shut off the screen so your ear isn't pressing buttons. If you've got the phone far enough away from your ear to reactivate the screen, then there's no longer a need to turn off the screen to prevent ear dialing.
If you're worried about power savings, the screen should shutoff in a minute or so, depending on your screen timeout options
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correct, I haven't found a way to change the sensitivity for it, just turn it on or off. I believe the way the sensor works like a motion sensor in a store, either you are there or not... Hardware driven on sensitivity, not software.
Nibbley15 said:
correct, I haven't found a way to change the sensitivity for it, just turn it on or off. I believe the way the sensor works like a motion sensor in a store, either you are there or not... Hardware driven on sensitivity, not software.
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I actually posted about the sensor in another post. The sensor is just an IR LED and a photo diode. The photo diode looks for the reflected IR when the phone is near something like your ear.
The IR LED only turns on during a phone call. Try this get a digital camera with a live preview and aim it at the 2 dots where the proximity sensor is, you'll see the IR LED light up when you initiate a call
The same photo diode is used to alter the screen brightness depending on the ambient light that hits it
what feature is this? when i put the phone near my face the screen goes blank and when i move it away from my face the menu lights up, pretty cool. anyone know how it works?
Not sure of the technical aspects, but I've heard it has a sensor - much like a car has headlight sensor. When it gets dark, the headlights go on, when it's daylight, headlights shut off. Phone is the opposite, dark to your face - light off, pulled away from face, lights up. I agree, cool feature - helps to conserve battery a little bit too.
It's a proximity sensor. The screen turns off so that it doesn't accidently register the screen touching your face as a touch input (aka your face touches the 'end call' button while in the middle of talking).
Lol all phones have done this using a proximity sensor for about 4 years now;-). It's nice though! Otherwise your cheek would press all kinds of buttons during a phone call, likely the end button as one of them.
These have been around for about six years now on mobiles.
Yes, this is nothing new on phones. If you're interested, look very closely at the phone's front, to the left of the speaker as you look at it. Opposite side of the camera lens. You may have to tilt it a bit, and bright light will help. You'll see two very small transluscent spots. One is the light sensor, the other is the proximity sensor.
im running full stock everything for starters.
When i am in a call sometimes up to my ear or speakerphone the screen will go black and i wave my hand in front of the light sensor and nothing works. The screen stays black. I like having the lock button hang the phone up so i want to keep that option on...
Just wondering why it is doing this, thx.
Its a thing to save battery usage,
do you have a case on it?
from my experimentation, the sensor is somewhere at the top, left of the power button when the phone is facing you.
prehaps your hand, hair, or case is covering it causing it to turn off - as it should
it thinks your in a call and you dont need to look at the screen.