2N Door intercom 2N Helios - Manual, 1322 v3.0 - Manual (Page 49)

Full Parameter Chart 3.2
49
Explanation of Some Parameters
824 - Second Switch Synchronisation
Set the parameter to a non-zero value to make switch 2 activate automatically with a
defined delay if switch 1 is activated. Useful where two doors are close to each other.
(The numbers in the figure are parameter numbers.)
The parameters can be set to overlap activation of the two switches:
Explanation of Parameters 951, 952, 953
Ringing tone (example)
SWITCH 1
SWITCH 2
SWITCH 1
SWITCH 2
Long pause
At this time Helios detects,
that ringing tone had ended.
Ringing tone
Par.
952
Par. 953 Par. 953