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SSD-3 Serial Digital Display 7 Segment

INTRODUCTION.
The SSD-3 is a Modular Serial Digital Display 1.5 Inch 1 Digit . 
All the SSD displays communicate via serial communication by a regular pair wires, power supply of 18vdc,Ground. 
This including blind buzzer and lift is here in floor .
The Indicator digits are programmable via Leeavís TST Portable Programmer. 
Arrows /lanterns and gongs can be chosen as the method to announce the arrival of the lift in response to a hall call. 
Distinctive up going and down going gong chimes are supported.
 
 
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