The FELPCHER's ZS9812MKII allows up to 12 separate zones to be selected, with an ALL CALLS feature that activates all of the zones on the unit. The paging console will suggest the selection of active zones based on the settings when the paging microphone is engaged. Similarly, when the paging console is turned off, the bypassed zones restore to their previous state, providing users with both order and convenience. The active zones of this amplifier can be configured manually using front panel switches or remotely using the negative triggering approach. The zone selector switches on the unit will be temporarily deactivated when using the remote paging microphone, muting the BGM in the process.