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General| Frequency Range | 118.000 to 136.975 MHz |
|---|---|
| Channel Spacing | 25 kHz |
| Channels | 760 |
| Modulation | AM |
| Operating Temperature | -20°C to +55°C |
| Selectivity | ±8 kHz at -6 dB |
| Power Supply | 13.75 V DC |
| Dimensions | 146 x 64 x 135 mm |
Describes the AR 4201 () VHF transceiver and the manual's objective.
Provides contact and location information for Becker Flugfunkwerk GmbH.
Explains the manual's section structure and references the revision record.
Explains the VHF transceiver's function, frequency range, and installation flexibility.
Details the transceiver's design, self-test, squelch, transmitter, frequency processing, and inputs.
Lists supply voltage, power consumption, frequency range, and environmental operating conditions.
Describes optional features like temperature measurement in mode 3.
Specifies receiver type, sensitivity, bandwidth, selectivity, and audio output characteristics.
Details transmitter output power, frequency tolerance, modulation type, and bandwidth.
Details software classification, approval regulations, and additional functions.
Details environmental test conditions and performance standards for the transceiver.
Lists accessories for unit connection, cable sets, sensors, and connectors.
Lists antennas, transmit buttons, microphones, headsets, speakers, and jacks.
Lists the Installation and Operation and Maintenance manuals.
Lists the AR 4201 () VHF transceiver, screws, and operating instructions included.
Provides general information on installing the VHF transceiver based on aircraft type.
Details visual inspection and tests before installing the VHF transceiver.
Describes mounting requirements, dimensions, wiring, and connections for the transceiver.
Outlines procedures for testing the transceiver after installation, including engine shut down and running.
Identifies the physical controls and display elements of the VHF transceiver.
Explains the function of symbols shown on the transceiver's controls and display.
Provides step-by-step guidance on switching on, transmit/receive, intercom, and auxiliary input modes.
Lists crucial safety precautions for operating the VHF transceiver to prevent hazards.
