Specifications

HAYESCOMPLIANTATCOMMANDS
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41 HSPA+ATCommandsReferenceGuide
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ParametersandValues
<char> Commandlineterminationcharacter(decimalASCII).
0‐127 Default:13(ASCII<CR>).
Note:The“previous”valueofS3isusedtodeterminethecommandline
terminationcharacterforenteringthecommandlinecontainingtheS3setting
command.Howevertheresultcodeissuedusesthe“new”valueofS3,asset
durin
gtheprocessingofthecommandline.
Notes
 Reference:V.25ter
ResponseFormattingCharacterS4
Setcommandsetsthevalueofthecharactergeneratedbythedeviceaspartoftheheader,trailer,andterminator
forresultcodesandinformationtext,alongwiththeS3parameter.
ReadcommandreturnsthecurrentvalueofS4parameter.Theformatofthenumbersinoutputisalways3digits,
left‐filledwith0s.
Syntax
Command Commandtype
ATS4=[<char>] Set
ATS4? Read
ParametersandValues
<char> Responseformattingcharacter(decimalASCII).
0‐127 Default:10(ASCIILF).
Notes
 IfthevalueofS4ischangedinacommandlinetheresultcodeissuedinresponseofthatcommandlineuses the
newvalueofS4.
 Reference:V.25ter.
CommandLineEditingCharacterS5 
Setcommandsetsthevalueofthecharacterrecognizedbythedeviceasarequesttodeletefromthecommand
linetheimmediatelyprecedingcharacter.
ReadcommandreturnsthecurrentvalueofS5parameter.Theformatofthenumbersinoutputisalways3digits,
left‐filledwith0s.
Syntax
Command Commandtype
ATS5=[<char>] Set
ATS5? Read