Instruction Manual

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NAV540UserManual
0808‐01Rev.B
Page95
G
7430‐
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GetFields(‘GF’=0x4746)
Preamble PacketType Length  Payload Termination
0x5555 0x4746 1+numFields*4 <GFData> <CRC(U2)>
Theunitwillsendthispacketinresponsetoagetfieldsrequestifthecommandhascompletedwithouterrors.
Table76GFPayload
GFPayloadContents
ByteOffset Name Format Scaling Units Description
0 numFields U1 — — Thenumberoffieldsretrieved
1 field0 U2 — — ThefirstfieldIDretrieved
3 field0Data U2 — — ThefirstfieldID’sdataretrieved
5 field1 U2 — — ThesecondfieldIDretrieved
7 field1Data U2 — — ThesecondfieldID’sdata
… … U2 — — …
numFields*4‐3 field… U2 — — ThelastfieldIDretrieved
numFields*4‐1 field…Data U2 — — ThelastfieldID’sdataretrieved
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