User ManualTable of ContentsTitlepage1L I S T O F E F F E C T I V E P A G E S2Table of contents Section 1 GENERAL INFORMATION3Purpose of equipment5General description6Variants survey7Specifications9General data Transceiver9Receiver specifications9Transmitter specifications10Optional functions11Certification11Accessories11Scope of delivery12Software12Table of contents Section 2 INSTALLATION13Pre-instailation check15Mechanical installation15Mechanical installation VHF transceiver15Mechanical installation of a temperature sensor15Installation wiring16Microphone connection16Speaker/headphones connection17IC connection17Panel lighting17Auxiliary audio input (optional) (standard as of module No. 471)18Fig. 2-4 Dimensions of VHF transceiver19Fig. 2-5 Aircraft wiring20Fig. 2-6 Wiring diagram AR 3201 - ( ) with Speaker - Junction21Testing after installation22Ground testing with engine OFF22Ground testing with engine ON22Location of IC control22Table of contents Section 3 Operating Instructions23Control and Indicators25Operating instructions for serial no. 0 to serial no. 399927Operating instructions serial no. 4000 upwards27Storing frequencies28Setting the emergency frequency28Setting the emergency frequency on models with serial numbers up to 399928Setting the emergency frequency on models with serial numbers of 4000 or above28LC display blinking29IC operation29Optional temperature, voltage measurement29Auxiliary audio input (optional) (standard as of module No. 471)29No channel frequency storage29Precautions30Size: 172 KBPages: 30Language: EnglishOpen manual