Digital Feedback Eliminator, 16 seconds expands to 60 seconds with ERAM-60. Even the best designed paging systems can experience feedback. Now you can eliminate annoying feedback over your paging speakers with Viking s model FBI-1A digital antifeedback paging interface. The FBI-1A utilizes state of the art digital recording technology to record the live page from a phone system s paging port output or unused trunk port. The FBI-1A then immediately plays back the recorded page once or twice (selectable) over the paging system. Pages of up to 32 seconds can be stored and the FBI-1A automatically adjusts to the page length for faster processing. In addition, the FBI-1A can be programmed to provide pre-page and post-page alert tones. Applications Eliminate Paging Feedback in: Warehouses Factories Offices Retail Stores Hotels Airports Stadiums School Gymnasiums Pools Casinos Bingo Halls Dining Establishments Other large noisy areas Features High quality (80K/40K) digital message storage High output - 2V RMS into 600 ohms 16 or 32 second record time (DIP switch selectable) Compatible with Paging ports or Trunk ports Activate recording from VOX detection, contact closure or loop detect (Trunk mode only) VOX sensitivity adjustment Cancel page feature Selectable page repeat Selectable pre-page alert tone Selectable post-page alert tone Adjustable alert tone volume N.O./N.C. relay contacts control paging system Record/Playback LED indicator Compatible with virtually all paging and telephone systems One year warranty Made in the USA.