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COBHAM FliteLine CVC-151 User Manual

COBHAM FliteLine CVC-151
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CVC-151
VHF Communication System
Installation Manual
Section 2 Installation
150-048100 Rev. H
Page 32
(5) The Interconnect Wiring Diagram Figures 2-3 and 2-4 identifies those wires that must be shielded or twisted.
(6) Connect the external wiring to the CVC-151 and associated equipment using the appropriate interconnect
drawings.
(7) The CVC-151 system can be used with a radio management system or a NAV processor. Refer to
interconnect wiring diagram Figures 2-2b and 2-2c for this type of installation.
(8) Maximum length for +28 Vdc and DC PWR GND is 10 feet when using the specified wire. When longer runs
are required, increase the wire size to limit power lead resistance to 0.050 ohm.
E. Antenna Installation
(1) Locate the antenna according to the manufacturer’s instructions for the antenna being used.
(2) Mount the antenna on a flat metal surface to obtain a proper ground plane. Ensure the antenna is adequately
grounded to the aircraft skin. A doubler plate may be required to support the antenna if the aircraft skin
thickness does not provide sufficient rigidity.
(3) If more than one CVC-151 system is to be installed, it is necessary to provide adequate space isolation
between the antennas of each system to ensure that the use of one transceiver does not interfere with the
reception of the other system.
Note: A minimum of 35 dB (3.5 feet) space isolation should be provided. Any steps that can be taken to
provide further isolation should be considered.
F. Optional Strapping
If more than one CVC-151 system is to be installed, each system must be identified as “COM 1”, “COM 2or
“COM 3”. This will help the installer when fabricating each system’s multiwire cable harness because of the
optional strapping required.
The CVC-151 provides for various wire strapping options (see Table 2-2). All strapping options are connected in
the wiring harness. Do not open units for wiring strapping.
Without strapping, the CVC-151 system is standby frequency tuned, has a blank system number display, has no
remote transfer of active and standby frequencies, and the side tone output is routed to the headphone via the
auxiliary aircraft audio system.
The document reference is online, please check the correspondence between the online documentation and the printed version.

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COBHAM FliteLine CVC-151 Specifications

General IconGeneral
BrandCOBHAM
ModelFliteLine CVC-151
CategoryConference System
LanguageEnglish

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