Bluetooth settings (bangle js)

Hi there,

I have some questions regarding bluetooth settings:

1. What does "Make Connectable" do and how is it different from the setting in the BLE submenu?
   
2. I guess BLE on/off in the BLE menu is the overall Bluetooth on/off switch. What does "Programmable" mean?
   
3. BLE on and Programmable off seems to work with GadgetBridge. But, when GB loses connection, can other people still connect and read data?
   
4. Which are the recommended settings that nobody else can access my watch, but I can still use GadgetBrigde? I tried Whilelist -> Add device, but it always shows "Connect device to add to whitelist", even though I'm connected via GB or via Web Bluetooth.
   
   

Kind regards,
neshanjo