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Viking SP393 Technical Practice

Viking SP393 Technical Practice

Anti-feedaback paging interface

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TECHNICAL
TECHNICAL
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Pages of up to 60 seconds can be stored and the SP393 automatically adjusts to the
page length for faster processing. In addition, the SP393 can be programmed to pro-
vide pre-page and post-page alert tones.
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• High quality (64K) digital message storage
• High output - 2V RMS into 600 ohms
• 60 second record time
• 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
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Totally Eliminate Paging Feedback
FBI-1A with 60 Second Record Time
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Even the best designed paging systems can
experience feedback. Now you can eliminate
annoying feedback over your paging speak-
ers with Viking's model SP393 digital
antifeedback paging interface.
The SP393 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 SP393 then immedi-
ately plays back the recorded page once or
twice (selectable) over the paging system.
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Eliminate Paging Feedback in:
• Warehouses, Factories, Offices
• Retail Stores, Hotels, Airports
• Stadiums, School Gymnasiums, Pools
• Casinos, Bingo Halls, Dining Establishments
• Other large noisy areas
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Power: 120V AC/13.8V AC 1.25A, UL listed adapter provided
Dimensions: 133mm x 89mm x 44mm (5.25" x 3.5" x 1.75")
Shipping Weight: 0.73 kg (1.6 lbs)
Environmental: 0°C to 32°C (32°F to 90°F) with 5% to 95% non-
condensing humidity
Sampling Rate: 64K (equivalent)
Maximum Page Length: 60 seconds
Output Impedance: 600 ohm
Maximum Audio Output: 2V RMS (driving a 600 ohm load)
Talk Battery: 24V DC (Trunk mode only)
Connections: 10 position screw terminal block
SP393
SP393
Anti-Feed back
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Paging Interface
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June 25, 2012
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Summary of Contents for Viking SP393

  • Page 1 (selectable) over the paging system. Pages of up to 60 seconds can be stored and the SP393 automatically adjusts to the page length for faster processing. In addition, the SP393 can be programmed to pro- vide pre-page and post-page alert tones.
  • Page 2 IMPORTANT: Electronic devices are susceptible to lightning and power station electrical surges from both the AC outlet and the telephone line. It is recommended that a surge protector be installed to protect against such surges. Contact Panamax at (800) 472-5555 or Electronic Specialists Inc. at (800) 225-4876. VIKING MODEL FBI-1A ©...
  • Page 3 A. Mode Switch In the Trunk Port position, 24V talk battery is supplied for connecting the SP393 paging input to a phone system’s unused trunk port. In the Paging Port position, a 600 ohm audio input is supplied for connecting to a phone system’s paging port output.
  • Page 4 Due to the dynamic nature of the product design, the information contained in this document is subject to change without notice. Viking Electronics, and its affiliates and/or subsidiaries assume no responsibility for errors and omissions contained in this information. Revisions of this document or new editions of it may be issued to incorporate such changes.