TONES AND FREQUENCIES
Signal tones
FUNCTION
Programming
End-of-programming confirmation
Wait
Warning
Call frequencies
FUNCTION
Telephone call
Entry panel call
Porter switchboard call
TIME (seconds)
0
1
2
= Note
= Pause
TIME (seconds)
0
1
2
= Note
= Pause
28
3
4
5
3
4
5
6
7
6
7