There has been some confusion over the ZX zone mixers ducking depth function lately. Many people have been wondering why their microphones do not work when trying to use this function.

A paging control should be used together with the microphone to effectively get the audio to attenuate automatically. The paging control will allow users to select the zone they wish the microphones signal to be sent and speak over any signal that may be sent to this zone.

From 2009, users can purchase a special paging control for the ZX from their country's Phonic distributor.