Maybe UI = Update interval (seconds, default 30min): Cell (default) / Cell+Gps / Gps GO = How long wait for a coordinate (default 30sec) if not network, then not update with cell, always i have a coordinate with cell+gps, if the gps NOT fix, then fallback to cell with gps, if the gps NOT fix, then not update waiting for yours comments...
btw: the qtm location do not work well, never stop the gps, and always use the gps