Principle of operation
The red light comes on when you press the LED button on the bell dome. Immediately goes to the waiter’s and / or customer’s call time. The waiter who receives the message sees which table the rich man is coming from and hurries to the customer. Button signal movement up to 150 m indoors and up to 350 m outdoors.
Thanks to the repeater, the indoor space increases up to 300 m, and outdoors up to 800 m.