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Section 7.

AUDIO ALARM VERIFICATION (AAV)

This section provides the following information:

• General information about the AAV option

• AAV operation

• Connecting an Eagle AAV Module

• AAV programming requirements

General Information An Audio Alarm Verification (AAV) module (also known as two-way voice), such as

the Eagle 1241, is an add-on accessory that permits voice dialogue between an

operator at a central station and a person at the alarm installation, for the purpose

of alarm verification. This feature is supported only if alarm reports are

programmed to be sent to the primary phone number.

The AAV module connects from module terminals 7 & 8 to the control's zone 5

terminals 16 & 17. The purpose of this connection is to silence and restore the

sounders at the premises. It is also used to postpone non-critical dialer reports

while the AAV session is in progress. Note that zone 5 is then no longer available

as a protection zone. When using the AAV, zone 5 must be assigned a zone

response type (e.g. response type 10), and option 1*60 must be selected as 1.

In order to silence sounders on the premises, option 1*66 must be selected as 1.

If 1*66 is not enabled, conversation with the premises will be difficult (too much

noise on the premises).

AAV Module Operation After all messages have been sent during a reporting session to the primary

phone number, the control will trigger the AAV if at least one of the messages

was an alarm report. If Contact ID format is selected for the primary phone

number, and the cancel report field *81 is programmed as non-zero, the control

will send a "listen-in to follow" audio alarm verification message (event code 606),

which signals the 685 (rev. 4.6 or higher) to hold the phone connection for 1

minute.

Once triggering occurs, the control will give-up the phone line to the AAV

module, without breaking connection with the central station. During the time the

AAV is active, all sirens and all continuous keypad sounds in all partitions will be

shut off if field 1*66 is enabled. When the AAV indicates that the audio alarm

verification session is completed, all keypad sounds will be restored. Sirens will

be restored if the alarm timeout period has not expired.

As part of its fail-safe software, the control will limit all audio alarm verification

sessions to 15 minutes (this is because once the session begins, the AAV

module controls the duration). If a new fire alarm should occur during a session,

the control will break phone connection and send the new fire alarm report, then

re-trigger AAV mode. All other dialer messages triggered during on-going

conversation will be held until either the AAV module signals that it is inactive, or

the 15 minute timeout occurs.

One way to trigger the AAV module is by selecting option 3 in field 1*46 and

make connections as shown in the VOLTAGE TRIGGER diagram. Field 1*46 can

be used to set ground start, remote console sounding, or as an open/close

trigger. If any one of these functions are absolutely necessary in a given

installation, the alternative AAV trigger method is via the use of a 4204 relay as

shown in the RELAY TRIGGER diagram. If this method is selected, the start and

stop conditions for that relay must be set to choice 60 = "Audio Alarm Verification"

during relay programming, via #93 menu mode.

Some AAV modules allow remote triggering by ring detection at the alarm

installation. Please be advised that if this option is selected, it may defeat modem

download. The DIP switch settings shown on the triggering diagrams disable

remote AAV module trigger option. The control also requires that the AAV

module trigger type is falling edge, which is set in DIP switch settings shown.

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ADEMCO 4140XMPT2 Manual de usuario Pagina 39

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