FineControl LS-20 Operation Manual page 62

C 1.6 How to answer alarm call from LS-20.
When you receive a call from LS-20, you can follow the procedures below to communicate with the
system.
 You will hear the prerecorded message twice, which tells you what event happened to the system.
 After the announcement, the LS-20 enters into monitoring and 2-way half-duplex communication mode
for 60 seconds. You can hear any sound picked up by the microphone on the Base Unit or talk to the
people inside the house. During these 60 seconds, you can also control the system by pressing specific
key on mobile/telephone keypad.
 If you don't press any key during this period, the first 30 seconds will be listen-only and then -after two
beeps- the system will enter into 2-way half-duplex communication mode automatically. At 10 seconds
before the call termination, one beep will be delivered to remind the receiver.
Press 0 : The system disconnects the call also stops siren immediately and stops any further dialing.
Press 1 : The system disconnects the call also stops siren immediately and dials the next number,
Press 3 : Enter into speak-only mode. (The microphone on the base unit is disabled.)
Press 8 : Enter into listen-only mode.
Press any other key: The system will extend the connection for another 60 seconds.
Note: The sound of the siren or noise from the environment may interrupt the decoding of the input
key tone, so keep pressing the key until the command becomes effective.
LS-20 Voice
Dialing Announcement
Twice
!
Only accept
Commands
Answering Sequence
60 sec. Monitoring &
2-way Half-Duplex Communication
0 : Call disconnects, stops further dialing & stops siren.
1 : Call disconnects and then dials next number.
3 : Enter into speak-only mode.
3 and 8
8 : Enter into listen-only mode.
: If any other DTMF key is pressed, the connection is
extended for another 60 seconds.
61