Proel ZONE8 - Manuale (Pagina 27)

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10. AMPLIFICATION MODALITY SELECTION
10.1 Modality A – One single power unit.
For such configuration with background music signal , when the message is sent to one selected zone,
the music signal is stopped temporarily for the whole announcement duration.
NB – Rear dip-switch n° 4 must be set on OFF (paragraph 11).
The operating configuration connections are as follows: