I-SERV 8630 Operation Manual - page 11
of
28
Version 0.3
Page | 11
C
1109 Hz
I
Hz
O
Hz
U
Hz
D
1245 Hz
J
Hz
P
Hz
V
Hz
E
3000 Hz
K
Hz
Q
Hz
W
Hz
F
831 Hz
L
Hz
R
Hz
Handset tone types
Key Tone 1
E
10 ms
20 ms
Key Tone 2
C
50 ms
190 ms
Range Alarm Tone
F
G
120 ms 120 ms 380 ms
Low Battery Alert Tone
D
D
D
100 ms 20 ms
100 ms 20 ms
100 ms
Error Tone
B
A
100ms
20ms
100ms
Confirmation Tone
D
100 ms