M8SL2-00-002-812 Circuit Operation D2.1
© Copyright Tait Electronics Limited August 2004. All rights reserved.
2 Circuit Operation
This section provides a description of the circuit and operation of the T803-02 tone
remote.
Note: Unless otherwise specified, the term “PGM800Win” used in this and follow-
ing sections refers to version 4.02 or later of the programming software.
Refer to Section 4 where the parts lists, grid reference index and diagrams will provide
detailed information on identifying and locating components and test points on the
main PCB.
The following topics are covered in this section.
Section Title Page
2.1 Circuit Overview 2.3
2.2 Tone Detection 2.4
2.3
2.3.1
Alarm Monitoring
Alarm Triggers
2.5
2.6
2.4 Confirmations 2.7
2.5 Clearing Alarms and Confirmations 2.7
2.6 Voting Tone Operation 2.8
Figure Title Page
2.1
2.2
High Level Block Diagram
Signal Flow
2.3
2.9
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