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Section 11.
AUDIO ALARM VERIFICATION (AAV) UNIT
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 dialog 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 to silence sounders on the premises. If 1*60 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" 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*60 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 long range radio
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. Program only 1 method
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