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Motion calibration and distance

  • 01-04-2015 10:53am
    #1
    omb0wyn5ehpij9
    Closed Accounts Posts: 16,095 ✭✭✭✭


    I bought an iPhone 6 last week. I have noticed that everytime I unlock it, and randomly when I am using it, the GPS icon is coming on (and this is obviously draining the battery a bit). I have checked all location services (I have most switched off to never, and a few set to "while using"), and the only one that is constantly running seems to be the Motion Calibration and distance. Anybody know what this is and why it is constantly running?


Comments

  • #2
    Sad Professor
    Moderators, Category Moderators, Arts Moderators, Entertainment Moderators, Technology & Internet Moderators Posts: 22,679 CMod ✭✭✭✭Sad Professor


    Do you have the status bar icon for system services enabled?


  • #3
    omb0wyn5ehpij9
    Closed Accounts Posts: 16,095 ✭✭✭✭omb0wyn5ehpij9


    I've just checked and yeah it's enabled


  • #4
    Sad Professor
    Moderators, Category Moderators, Arts Moderators, Entertainment Moderators, Technology & Internet Moderators Posts: 22,679 CMod ✭✭✭✭Sad Professor


    By the default that should be off. The system is constantly using location services (not necessarily full battery drainging GPS) in the background. By having that enabled, that icon is going to pop up every time the system uses location services for any reason. Unless you’ve noticed a change in battery life, you don’t need to worry about it.


  • #5
    omb0wyn5ehpij9
    Closed Accounts Posts: 16,095 ✭✭✭✭omb0wyn5ehpij9


    Sad Professor wrote: »
    By the default that should be off. The system is constantly using location services (not necessarily full battery drainging GPS) in the background. By having that enabled, that icon is going to pop up every time the system uses location services for any reason. Unless you’ve noticed a change in battery life, you don’t need to worry about it.

    By default, motion and calibration should be off? Or the status bar icon for system services?
    What exactly is motion and calibration doing? I only have the phone since last week, and it has been like this since I got it, so I'm not in a position to comment on the battery life!


  • #6
    Sad Professor
    Moderators, Category Moderators, Arts Moderators, Entertainment Moderators, Technology & Internet Moderators Posts: 22,679 CMod ✭✭✭✭Sad Professor


    By default the status bar icon for system services should be off. Motion and calibration should be on.

    As for what it does, I haven’t the foggiest. Probably something to do with the iPhone 6’s M8 processor. But tbh only an Apple engineer could explain exactly what all those system location services do, and even if they probably wouldn’t be too sure.

    I mean, it could be bug. Those services are generally very buggy. You can try turning them off, but from my own experience doing so can break apps that use location services and the apps aren’t smart enough to tell you to re-enable the setting, or ironically they’ll cause another system service to go rogue instead.

    Basically that whole systems services settings panel shouldn’t be there.


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  • #7
    Eire Go Brach
    Registered Users, Registered Users 2 Posts: 1,377 ✭✭✭Eire Go Brach


    I personally leave the status bar icon on. It is only telling you when a service itself is using the GPS. That way you will know when something is being used. Then you can go in and check it. Turn it off if you feel you do not need it.

    I have an iPhone 6, all the systems services turned of except "Find My Iphone" and "Frequent Locations" Sometimes when travelling abroad I briefly turn my "Setting Time Zone On." But I have wondered about not having the "cell Network Search and "Wi-Fi Networking. But I have not noticed any difference. I just see them all as battery drains. Keep them on if you want. In an older phone I'd suggest turning them off to help with your battery.

    I have also experimented with the "Motion Calibration and Distance" Turning it on and off for various same length runs. When I first got the phone it came on a lot. Google will show this up as well. People wondered about it like you. Well With my runs, once again I did not notice anything. So I have it set to off. If your using the health app or linked apps a lot, you might feel more comfortable with it on.

    Apple give some information on system setting Here

    Just from reading about GPS Accuracy on that link. I also have Date & Time set automatically turned off( Heard that can effect your battery too). Yet my time changed when the clocks went forward last week.

    Admittedly I am probably aggressive when it comes to turning stuff off that I don't need, to save my battery.


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