VRC2000 Installation and Operations Manual Page v
Technical or Setup Assistance
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Appendix A: Glossary 94
Appendix B: Connector Pinouts 98
Appendix C: Accessories 100
Software 100
Hardware 101
Appendix D: Theory of Operation 102
Microcontroller Theory 103
Telephone Logic and Interface 104
Unbalanced Audio Output 105
Status Channel Inputs 105
Metering Channel Inputs 105
Command Channel Outputs 106
Real-Time Clock 106
DTMF Encoder/Decoder 106
Digital Voice Synthesizer 107
Power Supply 107
Appendix E: Technical Description 108
VRC2000 Unit 108
Real-Time Clock and Memory 108
Inputs 108
Appendix F: Remote/Local Tutorial 110
Local Mode 110
Remote Mode 113
Appendix G: Time-Of-Day Function Tutorial 114
Exercise 1 114
Exercise 2 116
Exercise 3 116
Appendix H: Setup Worksheets 117
Worksheet 1: Auto-Logging 117
Worksheet 2: Real-Time Clock/Calendar 117
Worksheet 3: Telephone Interface Options Setup 117
Worksheet 4: System Identifier Setup 118
Worksheet 5: Access Codes Setup 118
Worksheet 6: Outbound Telephone Numbers 119
Worksheet 7: Sequence-Output Programs 119
Worksheet 8: Time-Of-Day Functions Setup 120
Worksheet 9: Mute Assignments 121
Worksheet 10: Command Channel Setup 122
Worksheet 11: Metering Channel Setup 123
Worksheet 12: Status Channel Setup 124
Appendix I: Word List 125
Appendix J: Schematics 129
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