Refer to this post and go down to around post #118. You will find the step for changing the parameters.
As for losing connection because of metal gangbox. You can try sticking the little antenna out of the metal box.
Refer to this post and go down to around post #118. You will find the step for changing the parameters.
As for losing connection because of metal gangbox. You can try sticking the little antenna out of the metal box.