User's Manual

FLITELINE AVIONICS SYSTEM
PILOT’S GUIDE
Publication No. 150-047012 Page 5
Rev. D Dec 2005
FliteLine VHF Communication System (FliteCOMM)
General Description CVC-151
The FliteLine CVC-151 is an all digital DSP VHF Comm Transceiver, built and designed to ARINC Air Transport
specifications. The Transceiver is designed to meet the latest ATC environment, all future CNS ATN
requirements, and has provisions for VDL Mode 2 and VDL Mode 3. The CVC-151 features a 20 watt solid-state
transmitter, is compliant with 25 kHz or 8.33 kHz spacing and the architecture is standard ARINC 429 which
supports interface to FMS systems and the Chelton RMS 555 Radio Management System. The CVC-151
Transceiver is interchangeable with current Series III VHF Comm Transceivers using a special mounting tray
adapter.
Features
 8.33 kHz and/or 25 kHz Channel Spacing
 FM Immunity
 Continuous Transmit Capability (at reduced power)
 Built-in SELCAL and ACARS Capability
 New Color LCD Controller: CVC-152 single Com Control Display or Multi-function color Nav/Com
CCN-955 CD
 Increased System Self-Test and BIT
 ARINC 429 Digital Data Bus
 118.000-136.975 MHz Standard Frequency Range
 118.000 -151.975 MHz Extended Frequency Range Option
 Weight and Volume Savings Compared to Series III VC-401B
 Provisions for VDL Mode 2 and VDL Mode 3
General Description CVC-152
The Chelton CVC-152 Control Display Unit is available in versions for use with transceivers with fixed channel
spacing (25 kHz or 8.33 kHz), and for units with switchable (25 kHz and 8.33 kHz) channel spacing. The CVC-
152 is a direct replacement for the Chelton CD-402B and CD-402C Control Display Units.
The CVC-152 Control Display Unit provides a simultaneous readout of two frequencies: The active frequency in
the upper display and, immediately below it, the standby frequency. Frequency switching is accomplished by
simply pressing a frequency transfer button. The Transmit Annunciator (Tx) appears in the display when RF is
present at the output of the transceiver, providing positive proof-of-operation. When the CVC-152 Control
Display Unit is turned on, a diagnosis of all critical circuits begins, and continues until the System is turned off. If
a fault is detected at any time, a FAIL annunciation appears in the display.
The CVC-152 Control Display Unit has a nonvolatile memory which allows it to remember the last frequencies
displayed, indefinitely, even when power is removed. This feature prevents momentary power interrupts from
affecting the system, and allows the last frequencies used to appear immediately when the System is turned on.