System Description
SystemDescriptionandInstallationManualforRangeFinder ICD10000‐01
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Table8‐32AcknowledgeMessageExampleData
8.4.3 InstallationResponseMessage:Type0x81
TheInstallationResponseMessageissentinresponsetoanInstallationMessage(0x01)ortoaDataRequest
Message (0x05) that specifies a Requested Message Type of Installation Message (0x81). This message
containsthedatastoredinnon‐volatilememoryfromthelastvalidInstallationDataMessage.
Table 8‐33 provides
an overview of the Installation Response Message.Since the data elements of the
Installation Response Message are defined exactly as in the Installation Message, Table 8‐5 provides the
definitions for these data elements. Table 8‐34 shows an example of a valid and complete Installation
ResponseMessagewiththe
samedataas theInstallationDataMessageexampleTable8‐6(onlytheMessage
TypeandChecksumdiffer).
Table8‐33InstallationResponseMessagePayloadStructureOverview
PayloadIndex MessageField Numberbytes
00 ICAOAddress 3
03 AircraftRegistration 7
10 Reserved 2
12 COMPort0 1
13 COMPort1 1
14 IPAddress 4
18 NetMask 4
22 PortNumber 2
24 GPSIntegrity 1
25 EmitterCategorySet 1
26 EmitterCategory 1
27 AircraftSize 1
28 MaxAirspeed 1
29 AltitudeEncoderOffset 2
30 Reserved 1
MessageField ByteValues(original) ByteMessageContent(Hex)
StartByte AA [AA]
MessageType 0x80AcknowledgeMessage [80]
MessageID Anarbitrarynumberbetween0and255(inclusive)thatuniquelyidentifies themessage. [00]
PayloadLength 6 [06]
PAYLOAD
ACK’dMessageType
OperatingMessageType
[03]
ACK’dMessageID
0
[00]
SystemStateByte
SystemFailFlagandWeightonWheelsareset.
[0A]
PressureAltitude
8,000feet
[001F40]
Checksum 8‐bitarithmeticsumofmessagefromStartBytetolastbyteofthePayloadData. [9C]