Tait T2004 System Manual
Also see for T2000 Series: User guideUser guideInstallation guideProgramming and Service ManualInformation Pack
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T2004 Multi-Control Head System Manual Functionality 39© Tait Electronics Limited May 2004controlled accordingly. This is enabled by fitting JP1, for the Global Mutefeature.In order to accomplish this, some I/O lines of the microprocessor have beenreassigned to new functions. The control of the audio output is based on atruth table that uses the state of the PTT, Hook and Line Sense inputs as itscontrol elements.The audio truth table is shown below.Scenario(All heads in thiscondition)JP1(In = GlobalMute Active)PTT(0= Active i.eTransmitting)HookSwitch(1= On hook)Global MuteLine Drive(1= mute other heads)GlobalMute LineSense(1= activate mute)SpkrMute(1=mute activei.e.no audio)CommentOn hook, noRx audioIN 1 1 0 0 0On hook, noRx audioOUT 1 1 0 0 0On hook, RxaudioIN 1 1 0 0 0 Everyone can hearaudioOn hook, RxaudioOUT 1 1 0 0 0 Everyone can hearaudioOff hook(local)IN 1 0 1 1 0 Only local head has RxaudioOff hook(local)OUT 1 0 0 1 0 Because jumper is out,line drive does notaffect other headsOff hook(remote)IN 1 1 0 1 1 Everyone else mutedOff hook(remote)OUT 1 1 0 0 0 Hear everythingOff hook(local+remote)IN 1 0 1 1 0 Everyone off hookhears audioOff-hook(local+remote)OUT 1 0 0 1 0 Hear everythingPTT (local) offhookIN 0 1 1 1 1 Mute localPTT (local) offhookOUT 0 1 0 1 1 Mute localPTT (local) onhookIN 0 1 1 1 1 All mutedPTT (local) onhookOUT 0 1 0 1 1 Mute local but no-oneelsePTT (remote)on hook localIN 1 1 0 1 1 Mute local (same as‘Off hook remote’)PTT (remote)on hook localOUT 1 1 0 1 0 Hear everythingPTT (remote)off hook localIN 1 0 1 1 0 Hear everythingPTT (remote)off hook localOUT 1 0 0 1 0 Hear everything |
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