5) Using the priority mute contact
A priority mute contact connection is implemented along the tele-paging input. This input
allows complete muting of background music at presence of a contact closure between
both terminals. It has the same priority level as the tele-paging input, meaning that all
inputs except tele paging and chime will be muted.
This contact is convenient for situations where a for example a separate emergency
system is installed and complete background music muting is required at occasion of a
fire alarm. The emergency system contact outputs can be linked to this contact input.
6) Pre-announcement chime selection
A pre-announcement chime will be heard when the ‘Chime’ button on the front panel is
pressed or a contact closure between ‘G’ and ‘SW’ terminals of the remote mic input is
made. This pre-announcement chime can be selected out of four different tones, whereof
one siren and three chime tones. This selection can be done through changing jumper
settings internally in the device.
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