4 | W I R E TA G – U S E R G U I D E2… SYSTEM REQUIREMENTSThis user guide applies to WIRETAG firmware version 1.3.0.PICKUP firmware 1.9 or later is recommended for the audio guides.PICKUP Set ID version 1.7 or later is recommended for changing the identity number of theWIRETAG.WATCHOUT version 5.5 or later is recommended. Earlier verisons may work, but are notrecommended for best performance.PICKUP firmware, PICKUP Set ID and WATCHOUT software are all available fromwww.dataton.com.