VX-450 SERIES OPERATING MANUAL
1
IMPORTANT NOTICE FOR NORTH AMERICAN USERS REGARDING 406 MHZ GUARD BAND
The U.S. Coast Guard and National Oceanographic and Atmospheric Administration have requested the
cooperation of the U.S. Federal Communications Commission in preserving the integrity of the protected
frequency range 406.0 to 406.1 MHz, which is reserved for use by distress beacons. Do not attempt to
program this apparatus, under any circumstances, for operation in the frequency range 406.0 - 406.1
MHz if the apparatus is to be used in or near North America.
Warning - Frequency band 406 - 406.1 MHz is reserved for use ONLY as a distress beacon by the
US Coast Guard and NOAA. Under no circumstance should this frequency band be part of the
preprogrammed operating frequencies of this radio.
INTRODUCTION
The VX-450 Series are full-featured hand-held FM transceivers designed for business communications in the
VHF or UHF Land Mobile bands. These transceivers are designed for reliable business communications in a
wide variety of applications with a wide range of operating capability provided by their leading-edge design.
The VX-451 allows to 32-channel capacity and 2 groups. The VX-454/-459 allows to 512-channel capacity
and 32 groups which can each be programmed with an 8-character Alpha-Numeric Tag.
Important channel frequency data is stored in EEPROM and flash memory on the CPU, and is easily program-
mable by Vertex Standard dealers using a personal computer and the Vertex Standard Programming Cable and
CE115 Software.
The pages which follow will detail the many advanced features provided in the VX-450 Series transceiver.
After reading this manual, you may wish to consult with your Network Administrator regarding precise details
of the configuration of this equipment for use in your application.
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