Becker Designed AR 3201 View showing components side of audio module, IC connection

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AR 3201 - ( )

View showing components side of audio module

Standard Mike

Dyn. Mike

Fig. 2-1 Jumpers location for charging the microphone input from dynamic to standard microphone

2.4.3Speaker/headphones connection

The audio output of the transceiver is compatible with a 4Ω speaker or headphone with an impedance of 300Ω - 600Ω or both in parallel without having to switch the transceiver over.

CAUTION

The magnetic field of the speaker will affect the compass, therefore, minimum spacing between speaker and compass must be 1.3 m when selecting speaker location.

2.4.4IC connection

The IC connection is provided for aircraft with high ambient noise and requires use of the headset together with an IC switch in the unit connector for the additioning wiring (see aircraft wiring Fig. 2-4). The normal communications position is the OFF position of the IC-switch, i.e. in the ON position communications operation is the same as before, however, with intercommunication between the two crew members without having to press the (PTT) button.

2.4.5Panel lighting

The transceiver features a panel lighting circuit which must be connected to the + 14 V supply voltage by connection P 4101/7 or to a dimmer control. It is good practice to provide the lighting externally via a separate lighting switch to save current in aircraft having no power system, e.g. gliders.

CAUTION

The lighting is not switched off on operation of the ON/OFF switch.

DV 28110.03/.04 Issue 04/92

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Contents VHF Transceiver Installation and Operation R S T I S S U E a N D C H a N G E S Table of contents Blank Purpose of equipment IntroductionGeneral description Variants survey Channel Deg Celsius Fahrenheit Transceiver ARReceiver specifications Specifications General data TransceiverTransmitter specifications Certification AccessoriesOptional functions Software Scope of deliveryInstallation Blank General Mechanical installation of a temperature sensorPre-instailation check General Visual inspectionMicrophone connection Installation wiring GeneralView showing components side of audio module Speaker/headphones connectionIC connection Panel lightingAuxiliary audio input Auxiliary audio input optional standard as of module NoDimensions of VHF transceiver Aircraft wiring Wiring diagram AR 3201 with Speaker Junction Ground testing with engine on Testing after installation Ground testing with engine OFFSection Operating Instructions Blank Section Operating Instructions Control and IndicatorsPage Operating instructions serial no upwards Operating instructions for serial no to serial noStoring frequencies LC display blinking Optional temperature, voltage measurementIC operation No channel frequency storagePrecautions