While looking threw a box of junk, I ffound my hardly used NLS zoommax Ereader. After charging it up, I decided to see if would actually work. I got it paired to my phone without a problem. I've figured out they keyboard commands, but what navigation keys do I use on the unit to navigate my phone? Also, how can I switch the device off and have my phone go back to operating as normal? What I mean is, my phone is still acting like the device is connected, even though the device is powered off. It still acting like the braille keyboard is being used. And one more question, how can I check the unit's battery, then go back to whatever task I was doing on my phone with the display?