Press the button on the charging cable three times within eight seconds.
What are the green flashing lights on my fitbit alta hr.
Go to the app account alta hr and see what the hr is set on.
If this isn t the case you can also try changing the setting to off sync your tracker then change it back to auto additionally to restarting it.
If it is still saying auto turn it off and sync your alta hr then turn it to auto and sync again and see if that gets it working properly.
My alta hr has been flashing all of the icons for hours now.
It s on the charger and i ve installed the updates hit the reset button restarted my phone logged out of the app reset my bluetooth and most recently disconnected the device from my fitbit account.
Most of the wearables you can get your hands on use.
Optical sensors are here to stay but the exact make up of those optical sensors whether they re from fitbit apple or garmin are up for debate.
It is still on at night because it will track your sleep better.
Let us know how you go.
It s recommended to wear it tightly but not too tight but if you want to turn it off you can go to fitbit your watch top right heart rate and set it to off on auto tracks if you are wearing the watch.
Like usaf larry said the green lights are part of the heart rate sensor and will be on all the time if you have the on setting for the hr.
Note that the green led on the back of inspire hr continues to flash even if you.
Clip your alta hr to the charging cable and make sure the cable is plugged into a usb port on your computer.
There is a setting to turn off heart rate tracking but in the manual it says.
The light flashes on the blood pulsing under your skin and a light sensitive photodiode measures the amount of green light absorbed.
You may notice the green led light flashing at random times or while you re not wearing the device.
The flickering green light is what is used to measure your heart rate.
The amount of light absorbed at a given time determines your heart rate.
It might have somehow switched from auto to on.