So in another thread I speculated it was by the use of Ebon Panels. Seems I was probably right. The following text comes from DAT files.

You have entered ?Multiple Choice (Parameter 1)?[Temenos - Northern Tower/Temenos - Eastern Tower/Temenos - Western Tower/Central Temenos - 4th Floor/Central Temenos - 3rd Floor/Central Temenos - 2nd Floor/Central Temenos - 1st Floor].