ARTEX PRODUCTS / ACR ELECTRONICS, INC.
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
DGL-1, DONGLE (453-4010)
570-4010 Rev. G
Company Confidential
Page 5 of 30
LIST OF ACRONYMS, ABBREVIATIONS AND DEFINITIONS
Term
Definition
AC
Advisory Circular – A Federal Aviation Administration (USA) bulletin with special
information. For the purposes of this document, the acronym AC does not refer
to electrical alternating current.
CFR
Code of Federal Regulations – The general and permanent rules published in
the Federal Register by the executive departments and agencies of the Federal
Government. Title 14, “Aeronautics and Space” contains the FARs.
COSPAS-SARSAT
The international search and rescue consortium that governs the international
satellite-based search and rescue distress alert detection and information
distribution system. For a complete description go to the official web site for
the International COSPAS-SARSAT Program.
Dip Switch
A set of manual electric switches packaged in a group in a standard dual in-line
package (DIP).
Drip Loop
Extra wire length used to form a U-shaped bend in a wire or cable. Water or
other fluids will flow down to the bottom of the loop and drip off. Electrical
connections are made at the top of the loop.
ELT
Emergency Locator Transmitter – ELTs are installed on aircraft and used to
send emergency signals to the SAR satellite system. The word “Beacon” is
associated with these devices.
FAA
Federal Aviation Administration – The United States government agency for
aircraft safety and regulation.
FAR
Federal Aviation Regulations – The rules and regulations governing the
manufacture, certification, operation, maintenance, repair, and alteration of
aircraft in the United States.
Form 337
FAA Form 337 is required anytime a major repair and/or major alteration is
performed on an aircraft. Refer to FAR, Part 43, Appendix A and the definitions
of Major Repair/Alteration contained in FAR, Part 1 for guidance.
ID
Identification
MIL
The three-letter acronym that stands for “Military” and proceeds military
specifications and standards numbers (e.g., MIL-W-XXXX would indicate a wire
specification and MIL-STD-XXXX would indicate a standard).
MSB
Most Significant Bit - The bit position in a binary number having the greatest
value.
P/N
Part Number – Refers to an ACR part number, unless otherwise noted. Part
numbers are also indicated with parentheses (e.g., XXX-XXXX).
Plug
The term “Plug”, within the context of this document, refers to the male half of
an electrical connector.
Receptacle
The term “Receptacle,” within the context of this document, refers to the
female half of an electrical connector.
RTV
A rubbery silicon-based adhesive typically used to prevent vibration problems
and water intrusion.
SAR
Search and Rescue
TSO
Technical Standard Order – A TSO is a minimum performance standard issued
by the FAA for specified materials, parts, processes, and appliances used on
civil aircraft.
VHF
Very High Frequency – The 30 MHz to 300 MHz radio frequency band
