User's Manual

DEFINITIONS
GLOSSARY
428 ENVOY™ TRANSCEIVER REFERENCE MANUAL
Channel Test call A call that enables you to test the quality of a channel in a Codan Selcall
HF network. It is sometimes referred to as a Beacon call.
If you have the MIL-STD-188-141B ALE option installed, a Channel Test
call may be made in an ALE/CALM HF network to replace information in
the LQA database, and to perform a manual sounding operation.
control cable A cable connecting two items of equipment that passes control
information between items of equipment.
counterpoise A radial array or a grid network of metallic wires arranged horizontally
around the base of an antenna to provide an effective earth plane.
decoupling The removal of unwanted noise and signal from electronic circuitry by
transferring it to ground.
desk console A control point for the transceiver. It features a microphone, a PTT button,
a keypad, built-in speaker, headphone socket and various connectors.
email station A point of communication consisting of a transceiver, a data modem, a
computer with HF email software and an email client, a power source, an
antenna, ancillary equipment, and appropriate connecting cables.
Emergency call A call that enables you to trigger an emergency alert tone at a specific
station then speak to an operator there.
fixed base station A station that is permanently installed and cannot be moved without
significant effort. It consists of a transceiver, a transceiver supply, an
antenna, control and accessory devices, ancillary equipment, and
appropriate connecting cables.
frequency The number of cycles per second of a radio wave, usually expressed in
kilohertz.
Get Position call A call that gets the GPS position of a specific station.
You can make a Get Position call if the GPS Call option is installed.
Get Status call A call that gets diagnostic information about the transceiver at a specific
station.
Group Selective call An ALE call that is sent to stations specifically addressed in the call that
are tuned to the same frequency in an ALE/CALM HF network, or
scanning the channels in the scan table(s) associated with the HF network.
The Group Selective call may be used in Emergency, Message, Phone,
Selective, and Send Position calls if the MIL-STD-188-141B ALE option
is installed.
handset A hand-held device that is used to control the functions of a transceiver. It
consists of a microphone, PTT button, display and keypad.
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