![]() In transmitter operation sidetone is automatically on. Transmitter output power is greater than 5 watt. The transmitter has wideband tuning over the range MHz to MHz. The squelch can be defeated with the squelch switch. The switching threshold is adjustable from without through the case. A squelch circuit suppresses noise and input signals below a specific field strength. The transceiver features a single superhet receiver. The rear panel locates the connector for connecting the transceiver to aircraft wiring, the antenna socket and a test connector. AII controls and indicators are located on the front panel. Mounting is by means of four screws (behind-panel fitting). 1.3 General description The VHF transceiver is designed as a single-block unit with dimensions in keeping with 58 mm diameter standard instrument size. The VHF transceiver is designed for compliance with RTCA and EUROCAE airworthiness requirements. In the environmental categories there is no limitation for application in the instrument panel and for use in DV /.04 Issue 04/92 -1Ħ rigid fuselage mounting in all aircraft. The VHF transceiver is physically designed for unrestricted application in category II aircraft. Extensions for additional modes such as temperature and operating voltage measurements, etc. It can also be limited to MHz = 720 channels by incorporating a different PROM. The Handbooks DV (, Installation and Operation ) and DV (,Maintenance and Repair ) contain the following sections : Section DV DV General Information X X 2 Installation X X 3 Operation X X 4 Theory of Operation X 5 Maintenance and Repair X 6 Illustrated Parts List X 7 Modification and Changes X 8 Circuit Diagrams X X 1.2 Purpose of equipment The VHF transceiver permits transceiver communication on 760 channels in the frequency range MHz to MHz with a channel spacing of 25 khz. 1 Introduction Purpose of equipment General description Variants survey Specifications General data Transceiver Receiver specifications Transmitter specifications Optional functions Certification Accessories Scope of delivery Software 1-8 DV /.04 Issue 04/92 1-Iĥ Section 1 GENERAL INFORMATION 1.1 Introduction The following Handbooks describe the VHF-communications transceiver AR ( ). 1 VHF-Transceiver AR ( ) Installation and Operation Manual DV Issue 1 April 1992 BECKER FLUGFUNKWERK GMBH Baden Airpark B 108 D Rheinmünster Telephon +49 (0) 7229 / orĢ FIRST ISSUE AND CHANGES Issue April 1992 LIST OF EFFECTIVE PAGES Page No.: Issue : Page No.: Issue : Title 04/92 1-I - 1-II /92 04/92 2-I - 2-II /92 04/92 3-I - 3-II /92 04/92 8-I - 8-II Annex 1 to 27 04/92 04/92 Copyright by Becker Flugfunkwerk, All rights reservedģ Table of contents Section 1 GENERAL INFORMATION. ![]()
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