Our system designers developed the SED and EMD series displays using 25 years of servicing know-how. SAI has been a leading manufacturer of scoreboard displays since 1992. Our product has been refined, features added and made more reliable each year. Careful attention is paid to the assembly of each circuit board including the final cleaning that give it that characteristic shine of quality. Compare our board to others. We are convinced our serviceability, adaptability, and quality make our displays a superior product and the one you will choose for your application.
Specifications and Features


  • 4, 5, or 6 digits (6 digits only for SED models)
  • 1-1/2", 4", 6" and 7" digit height
  • 1-1/2" available with 6 digits only
  • Minus sign and "lb" annunciator standard
  • "lb"/"kg" and "gross"/"net" segments are optional


  • ASCII Interface with Learn Feature
  • RS232, RS422, RS485, 20ma current loop standard
  • 20ma current loop active or passive
  • BCD interface option using broad or strobed data (EMD models only)
  • Pulse input with clearable counter
  • 0-10 Volt and 4-20 mA input optional


  • 7 pin terminal strip for ASCII interfaces
  • Radio Modem ASCII connection optional

Baud Rate

  • Auto selectable with Learn Feature
  • Available rates 300, 1200, 2400, 4800, 9600
  • One start bit, one or two stop bits, even/odd/no parity


  • 117VAC at 25 watts is standard
  • Power cord kit optional
  • Fluorescent bulb adds 15 watts (EMD models only)
  • 12VDC at 20 watts optional


  • Painted steel enclosure includes sun shield standard
  • Stainless Steel housing optional
  • Acrylic Display face standard, tempered glass optional


  • Temperature -40 degrees F to +170 degrees F
  • Humidity 5% to 95% relative humidity (non condensing)