עברית English
 
INTRODUCTION.
The FDS-23 is a Modular Digital Serial Display 2 Inch 1 Digit. 
All the FDS displays communicate via serial communication by a regular pair wires, power supply of 18vdc Ground.
This including blind buzzer in the car 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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