Becker Avionics
General Description
Purpose of Equipment
DV17551.03 Issue 03 June 2020
RCU6512
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1.2 Purpose of Equipment
The Becker Avionics Remote Control Unit RCU6512 is made to operate with the VHF transceivers of
the RT6512 series.
Primary function of RCU6512 is to be the HMI (Human Machine Interface) for interaction between
users and VHF transceiver.
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The system of RCU6512 and transceiver is for voice communication between aircraft or
between an aircraft and ground stations, using the very high frequency band between
118.000...155.975 MHz (depends on RT6512 variant).
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The RCU6512 is made for installation in the instrument panel of an aircraft.
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The dimensions correspond to the standard for instruments 58 mm (2¼ inch).
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Installation with standard supply 28 VDC or with 24 VDC batteries possible.
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The RCU6512 can operate at emergency voltage 18 V without any degradation of
performance.
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Channel spacing of 25 kHz or 8.33 kHz.
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Non-volatile memory for storing up to 40 frequencies/channels.
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Squelch functionality, ON/ OFF for squelch function of controlled transceiver.
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Data exchange between RCU6512 and VHF transceiver through a RS422 serial interface.
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Different built-in tests examine the correct operation of RCU6512 and transceiver.
