The Digital Feedback Eliminator 0ne Line Page Stacker

makes a digital recording of an
announcement and then broadcasts it over a paging system.
This delayed broadcast eliminates the possibility for audio feedback.
Applications include installations in which the telephone used for paging or microphone
is close to the paging loudspeakers, and environments with a high potential for acoustic feedback.

• Connects between a telephone system and a paging system.
• Records an announcement in digital memory eliminating faint
• background noises.
• May be programmed to play the announcement once or twice.
• Offers both Line level and Low impedance audio outputs.
• Provides Record, Play, and Busy relay closures to control external
• equipment.
• May be activated by voice, DTMF, or contact closure.
• Optional alert tone attracts listeners’ attention before page is made.
• DTMF Message Cancel permits an in-progress message to be aborted

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