Nat ACP51-100 Installation And Operation Manual
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ACP51-100 DACS Audio Control PanelSM81 Installation and Operation ManualSection 3 Rev: 1.00 Issue 1 Page 3-3Above each control knob is a Transmit Access indicator, which illuminates green when the associatedtransceiver is selected (by the transmit selector) and the ACP51 has access to that transceiver. If accessto that specific transceiver has been restricted at installation, the indicator remains dark.3.3.4 Transmit Active IndicatorTXThe ACP51 has a dead-front TX indicator that illuminates when the unit is transmittingon any transceiver.3.3.5 Patient Mode ControlNORMAISONORMAISOPPTTENG-FORM: 806-0113.DOTCONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.Note: It is important to be aware of the configuration set-up for your installation. Confirm thespecific criteria associated with this installation with your installing agency.3.3.6 VOX ThresholdMINPTTPRESETVOXMINPTTPRESETVOXThe Patient Mode Control is a two-position locking toggle switch that can be used by the ACP51user to select the patient headset mode - NORM (normal) and ISO (Isolation). The lockingmechanism prevents accidental de-selection of the currently selected mode.The VOX control is a rotary control used to select the VOX threshold of the unit.When the control is rotated full cw, the threshold is at maximum, and when rotated fullyccw to the detent, the threshold is at minimum. When rotated ccw into the detent, theACP51 is in the PRESET position.PRESETWhen the VOX pot is set fully ccw into the detent, the intercom audio will be in the PRESET VOXposition. The preset threshold is selected at installation.MIN (Hot Mic Operation)When the VOX pot is set fully ccw to the MIN position, the intercom audio will be easily activated. (Takecare not to rotate the control into the detent position to the PRESET position.)PTT (Keyed ICS Operation)Keyed ICS is activated when switched by an ICS PTT switch.VOX (Voice Activated)Set the VOX control fully ccw and then slowly rotate cw just to the point where no intercom audio can beheard. This setting will vary with ambient noise conditions, and the quality and number of microphonesconnected in the system. |
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