How to detect whether bluetooth is turned on/off on a Fenix 3

The default Fenix 3 digital watch face differentiates between 3 bluetooth states:

  1. bluetooth off
  2. bluetooth on - no connection active
  3. phone connected

The CIQ API provides the boolean Toybox.System.getDeviceSettings().phoneConnected that allows to distinguish between state 1/2 and 3. But how to distinguish between state 1 and 2?