If you configured your PAD in the above described way, and the PAD dosn´t do what you indent that it should do, and you lost the connection to your PAD, because it is now a transparent PAD and dosn´t accept your terminalemulation connection, then you should do the following steps:
With this steps all your configurations your did before, are lost. All RAD-PADs factory defaults are restored and you can restart configuration procedure with a "clean" RAD-PAD.