I would like to know if anyone has any experience with the quality of the gps reception inside a bakcpack.
I would like to log a trail for about 3 hours. And keeping the HD2 in hand for 3 hours could be a bad idea. I would like to place the HD2 inside a backpack of course as closest to the outside as possible. Is there any chance of still getting any acceptable gps reception to log my trail?
I tried that in a small test. I placed the phone in the pocket of my jeans and logged a small distance. But the trail was a little bit misplaced. Drawed over the google maps map my track was not exactly on the street I walked.
Anyone tried that?
If I can get a lock in my house (bottom floor) then there's a good chance in your back pack, only one way to find out for sure, have a quick walk round your block with your back pack on....
I'd be more worried that the battery will lasts 3 hours..
battery should be no problem, I have an external battery pack (Just Mobile Gum Plus). I just want to make sure that this measurement will work. I have only one try. So I need some tips/hints to maximize the gps reception...
does no one have any experiences in loging trails with this phone?
Should work ok! (Use it in my pocket)
However, you say you have an external battery. This means the device is always getting charged, which could increase the temperature of the battery. So, if you want to keep the device running, you should ensure this heat is removed from it (so, don't put it in your sleeping bag...)
I have used HD2 on long hiking trips and have logged my trails with no problems. Your GPS will get great reception in the outdoors, much better than in cities. A backpack will not affect the GPS signal at all unless you've got it lined with metal!
Well just tried the backpack thing while going to the supermarket. But the result was quite unsatisfying. The gps signal got lost. THe second try was my jeans pocket. Worked neither.
Where did you exactely put your phone in the backpack and in what direction was it faced?
Ok thanks for all the answers. I found the solution for my problem.
I used Navicomputer in combination with S2U2. As soon as I hit the power button of my HD2 (forced standby) the GPS reception was lost. Even with the option ind NaviComputer set prevent standby.
But if I just let the phone switch to standby (leave it unattended) it worked.
Can someone explain that to me?
GPS reception in the backpack was good enough...measurement over 2h worked.
The battery lasted more than 3h of gps tracking without any external power.
Glad to hear you got it working. The GPS probably turns off automatically in standby to save power in the same way that your WiFi connection will automatically disconnect if you leave the phone in standby for long enough. Hope you had a good hike!
i would like to turn off devices on my TG01 off to save power:
i use my TG01 just as a pocket pc, i.e. i have no sim card inserted. nevertheless, battery is down at 40% after 1 day of standby, even when in flight mode.
as i heard that flight mode does not really work on the TG01, i would like to selectively turn off devices like phone (gsm, 3g), wlan, bluetooth, motion sensor (all the things i don't need), while keeping the gps still working.
is there a rom version or a tool that allows me to really turn off devices separately?
or is there a rom version, specially made for people just using the TG01 as a ppc?
so far, i always have to keep bluetooth running, as the gps does not seem to work as soon as i turn bluetooth off (no idea why it is like that). maybe it's bluetooth that drains so much power...
i actually run the wm6.5.5 v5 rom from novembre5
or is there anything else i can do to save power?
btw:
i tried to measure the current, the device draws from the battery, to find a setting that is the most power saving. unfortunately, all battery meter tools i tried are not able to show actual current. is there a tool that supports the TG01?
please help!
Some tips...
bongo3 said:
i would like to turn off devices on my TG01 off to save power:
... i would like to selectively turn off devices like phone (gsm, 3g), wlan, bluetooth, motion sensor (all the things i don't need), while keeping the gps still working.
is there a rom version or a tool that allows me to really turn off devices separately?
or is there a rom version, specially made for people just using the TG01 as a ppc?
Click to expand...
Click to collapse
Use wireless manager to turn off/on phone, bluetooth and/or wi-fi separately.
In settings/motion sensor settings disable autoscreen orientation, in settings/sleep mode indicator tick off, in settings/power saving settings un-tick automatic brightness and choose a brightness level according to your needs and so on...
Does not really help!
...and with all those things disabled, the battery is down at about 40% after 1 day in stand-by (when the TG01 has not been used for 1 day)!
so i think there's still something drawing a lot of power!
to compare:
my hp ipaq 214 ppc, running wm6 too, is down at 40% after being in stand-by for 2 weeks, i.e. it's power consumption within 2 weeks is about the same as the TG01's power consumption within 1 day, when in stand-by...and the ipaq is much older than the TG01!
so it seem's obvious that the TG01 just tells to have everything turned off, while still having things running...
Very interesting...
Why don't you keep this thread opened in TG01 General , for instance? I'm afraid that your question it's not related with ROM development...(wrong subforum)
Best Regards
i thought there might eventually be a rom version with the PHONE FUNCTIONALTY DISABLED, or with tighter hardware/power control!
or maybe, there is a rom version OPTIMIZED FOR LOW-POWER!
that's why i placed the thread here.
if there is no way to get help in the rom section, this thread can be moved to general, but i have no idea how to do this.
thanx!
bongo3 said:
i would like to turn off devices on my TG01 off to save power:
i use my TG01 just as a pocket pc, i.e. i have no sim card inserted. nevertheless, battery is down at 40% after 1 day of standby, even when in flight mode.
as i heard that flight mode does not really work on the TG01, i would like to selectively turn off devices like phone (gsm, 3g), wlan, bluetooth, motion sensor (all the things i don't need), while keeping the gps still working.
is there a rom version or a tool that allows me to really turn off devices separately?
or is there a rom version, specially made for people just using the TG01 as a ppc?
so far, i always have to keep bluetooth running, as the gps does not seem to work as soon as i turn bluetooth off (no idea why it is like that). maybe it's bluetooth that drains so much power...
i actually run the wm6.5.5 v5 rom from novembre5
or is there anything else i can do to save power?
btw:
i tried to measure the current, the device draws from the battery, to find a setting that is the most power saving. unfortunately, all battery meter tools i tried are not able to show actual current. is there a tool that supports the TG01?
please help!
Click to expand...
Click to collapse
I am also enjoyed my TG01 without a sim card and then be surprised that it holds several days without being charged. So if your battery falls on a day not to use it, then the battery has a reduced capacity. Try several cycles - full charge, use it while off and only then put it to charge. Maybe this will help you.
hm 'holds several days without being charged' sounds good
so how are your settings for bluetooth, wlan and phone?
btw: i bought another battery because i first thought that it is a battery problem - but now it's the same with both of them.
i also turned the phone on once (but without a sim card), and it looked like the battery discharge was about the same as in flight mode.
i read somewhere, that because of a bug, the TG01 turns power of the phone chip on, when the device is set to flight mode, and therefore bluetoot or wlan has to be turned on to really turn off the phone (and save power).
on the other hand, i would like to use the gps, but the gps does not work when the unit is configured to flight mode.
so what is the ideal configuration for reducing power consumption?
thanx!
bongo3 said:
to compare:
my hp ipaq 214 ppc, running wm6 too, is down at 40% after being in stand-by for 2 weeks, i.e. it's power consumption within 2 weeks is about the same as the TG01's power consumption within 1 day, when in stand-by...and the ipaq is much older than the TG01!
Click to expand...
Click to collapse
I believe you don't need a 1ghz processor device if you compare it with a 624mhz.
For tg01 you can even limit cpu speed for better power consumption in power saving settings...
i think when in stand-by, the TG01 cpu does not clock at 1ghz.
i compare stand-by power consumption, i.e. the cpu has almost nothing to do then.
bongo3 said:
i think when in stand-by, the TG01 cpu does not clock at 1ghz.
i compare stand-by power consumption, i.e. the cpu has almost nothing to do then.
Click to expand...
Click to collapse
It's obvious you're comparing a ferrari idling with a (new)volkswagen beetle ...
...both standing in the garage!
bongo3 said:
...both standing in the garage!
Click to expand...
Click to collapse
Idling means with engine on, even in the garage!
Running AOSP ish rom and applied the latest GPS fix (can't remember exactly which one).
So I have been running this rom for a long time, like since it was released. The only issue was the gps was still crappy. I did the hardware fix but that didn't help. About 2 months ago I saw a new fix which involved changing the info in the gps settings page. Anyway, gps is fast to lock (like 5 seconds) and is accurate now.
Around the same time I did the gps fix, I noticed I started having worse battery life. I hardly use my phone during the day and some days don't make a call or use gps, internet (other auto email notifications) etc but I notice my battery is down to 10-20% at the end of the day, approx 10 hours after taking it off charge. This is while at work with no wifi connected and no way the gps could get a lock.
Now if I am off, going from place to place in my car (connected to my bluetooth head unit) and when at home the phone sitting on a table, connected to wifi and with a reasonable ability to get a gps lock, my battery is still 80-90% charged at the end of the day.
What could be causing this? I have thought that when at work I have a worse signal and that the momentary loss of signal and the searching for a signal may cause this. How about the fact that it isn't connected to wifi but there are a couple available?
Thanks for any info.
Hi!
That problem is not SGS2 specific, as I had it on Vibrant and SGS as well.
I have bought some BT handsfree on Dealextreme , which , according to specs, has BT v2.1.
My problem with all above mentioned phones , including SGS2 , and this handsfree, that no matter
which ROM I use, once battery level crosses the 40% level, handsfree starts telling me that battery
is low on the phone.It repeats the phrase every 30 seconds, and that is really annoying.
Handsfree manual doesn't contain any info regarding the option to cancel such notifications,
but since issue occurs in 3 Samsung Phones, I assume that is something Samsung related, or BT 2.1 related.
Does anyone here know of a way to change that behavior?
To cancel the notification totally, or at least set the notification level to 20% and not 40%, as it is ?
Thank you in advance!
I am trying to track down something like this. I have my Galaxy Note N7000 tweaked to drain less than 1% per hour, but when the level reaches 40% suddenly the drain kicks up by a factor of 4. There is some other process kicking in at 40% battery. This is with both powersaving options on the phone disabled (Gingerbread). I just set up a "custom" power saving level at 20% and am waiting to see what happens now when the 40% level is reached this time...
When I find the power-saving process causing all this trouble I am going to kill that APK stone dead I can manage my own phone battery usage, thank you very much, Mr Google...
Bonjour from France !
I'm facing troubles with battery of the gear S for few days now. :crying:
Battery drains quite quickly (40 % in one hour). Before it was roughly 15 %/hour. Could keep normal mode for, at least morning and then swap to safe mode.
Gear has an embedded SIM card and bluetooth is on as WI-FI. It is linked with my Tab S, as I forward calls to the watch.
Didn't change things with use and wondering if it's not capacity of battery that's the problem.
I'm wearing it for two years now and before, when at home with WI-FI battery's consumption was slower. Now even with full charged gear on evening, when getting up it's nearly dead.
Thanks for advices or help. :good:
Battery dying of old age or conflict in software?
Try with airplane mode to see if it is related to communication or watch app or batt.
G+ Samsung Gear France
https://plus.google.com/u/0/communities/107654159300080495462
Thank you for help (et merci - français aussi). Tried with saving mode and consumption was lowered but it did not last that much.
Unfortunately, fail to replace battery (was not the right one) and now pieces are not perfectly back to their cradle and watch does not work.
Bought a Huawei Watch 2. Quite different (Android Wear and size (& shape) of screen -smaller).