ARINC 577:1970
ARINC 577:1970 Audible Warning System Provides basic requirements for Audible Warning Generators specifically designed for installation in all types of commercial aircraft, including supersonic.
Table of Contents
1.0INTRODUCTIONANDDESCRIPTION1.1PurposeofthisCharacteristic
1.2FunctionsandModesofOperation
1.3UnitDescription
1.3.1GeneratorUnit
1.3.2ControlPanel
1.4InterchangeabilityRequirements
1.4.1GeneralRequirementsforInterchangeability
1.4.2InterchangeabilityRequirementsfortheARINC
AudibleWarningGenerator
1.5RegulatoryApproval
1.6ApplicablePublications,Specifications,and
Reports
2.0STANDARDSREQUIREDTOEFFECTINTERCHANGEABILITY
2.1FormFactorsandConnectors
2.1.1GeneratorUnitFormFactor
2.1.1.1Cooling
2.1.2ATEConnector
2.2Weight
2.3Interwiring
2.4PowerCircuitry
2.4.1PrimaryPowerInputs
2.4.2PowerControlCircuitry
2.4.3TheCommonGround
2.5StandardOutputs
3.0AUDIBLEWARNINGGENERATORDESIGN
3.1GeneratorInputs
3.1.1ActivationandIsolation
3.1.2PriorityLogic
3.1.3ResetCapability
3.1.4ChannelInputAssignment
3.1.5DecisionHeightAlertInput
3.2AudibleMessage
3.2.1StorageandTime
3.2.2MessageCharacteristics
3.2.3Performance
3.3AudioOutputCircuits
3.3.1AudioOutputAmplifiersand-Power
3.3.2LevelAdjustment
3.3.3FrequencyResponse
3.3.4HarmonicDistortion
3.3.5AcceptableNoiseLevel
3.3.6Flutter
3.4FailureMonitoring
3.4.1GeneratorFailureIndication
3.4.1.1FailureMonitorOutputs
3.4.2UseofFailureMonitorasBack-up
WarningMode
ATTACHMENTS
1GeneratorConnectorPositioning
2StandardInterwiring(PartI)
2StandardInterwiring(PartII)
2NotesApplicabletoStandardInterwiring
3ChannelAssignment
4TypicalExampleofAudibleWarningSystem
APPENDIX1TypicalExampleofWarning
Characteristics