Dw1000 aps004 gpio-mode

If we want to use an external LNA
we should set GPIO-MODE as 0x00040000 according to the bottom half of the picture
but the example showed in the top half of the picture 1 is 0x00080000
So which one is correct

This is the GPIO mode control register
image
In biref,if i want to use an external LNA
what GPIO-MODE code should i set
0x00040000 or 0x00080000