Tait TM8100 Protocol Manual
Also see for TM8200 mobiles: Service manualInstallation guideInstallation guideAccessories manualOperator's manual
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Contents
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TM8100/TM8200 Computer-Controlled Data Interface (CCDI) Protocol Manual CCR 73© Tait Electronics Limited April 20072.9.3 Selcall Decode SequenceDescription The radio sends this message every time the decoder tone buffer is emptied,in accordance with the notification criteria set by the “I” command. See“Set Selcall Parameters” on page 66 and “Notify Buffer Size” on page 73.The sequences received are represented with the tones from the toneset.Repeat tones and gaps will be forwarded as is.Response Vssx...xccWhere:Effect When the radio receives the given SELCALL sequence the radio sends thedecoded sequence to the DTE.2.9.4 Notify Buffer SizeDescription The number of tones to notify, set by the selcall parameter command, allowthe user to define the size of the decode tone buffer. This buffer sets themaximum time period that the radio will decode and log tones beforereporting to the user, when continuously receiving valid selcall tones. Thetimer is calculated as follows:Tmax = (N x P) + PWhere:The buffer timer is started after at least one valid tone has been detected.The buffer timer is reset if a gap is detected prior to expiry.Parameter ValueV ASCII letter V denotes the Selcall decode messagess ASCII hex number ss is the number of parametersx...x are the tones decoded within the time window specified by thenotify parameters as follows:■ ASCII digits 0 to 9■ Special tones are represented with ASCII letters A to F■ Gap. A gap in CCR is equal to the tone period set by the SelcallParameter commandcc ASCII hex number cc is the checksumParameter ValueTmax Notify buffer maximum timeN Number of tonesP Tone period |
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