Terms, Acronyms, Abbreviations

AGL	Above Ground Level.
ATS	Autonomous Triggering System that is independent of any flight critical system of the DJI M3D/T. Used to initiate parachute deployment upon detection of a critical failure of the DJI M3D/T during flight.
Authorized Dealer	An AVSS approved distribution partner who sells the PRS-M3DTEX.
Drone	When referring to a DJI M3D/T, other relevant terms include Aircraft, RPAS, sUAS, UAS, and UAV.
EFTS	External flight termination system, a device that disables power to the drone, and which ensures compliance with EASA MOC 2511.
End-User	The owner of the PRS-M3DTEX who had purchased the system from an AVSS Authorized Dealer.
FTS	Flight Termination System is a device that will disable the propulsion system of the DJI M3D/T.
IP Rating	Ingress Protection Rating.
MTD	The Manual Triggering Device, initiated by arming the PRS through the DJI M3D/T Drone Transmitter. Allows for manual deployment of the PRS-M3DTEX system and is accessed through the Transmitter PSDK Interface.
MDA	The Minimum Deployable Altitude is the lowest altitude at which the PRS-M3DTEX is rated to deploy successfully.
Parachute Pod™	This refers to the non-replaceable Parachute Pod™ that contains the parachute of the AVSS PRS-M3DTEX.
PRS-M3DTEX	The version of the PRS-M3DT parachute recovery system covered in this manual, which contains the external flight termination system (EFTS) for MOC 2511 compliance.
PSDK	Payload Software Development Kit. This is the software application between the drone and the PRS-M3DTEX.
Normal Mode	The PRS-M3DTEX shall be used only in N-mode (Normal): N-mode works best when the GPS signal is strong. The DJI M3D/T utilizes GPS and Forward and Downward Vision Systems to locate itself, automatically stabilize, and navigate between obstacles. Complete details can be found at https://enterprise.dji.com/dock-2/specs.
PRS	As per ASTM F3322, a PRS is a "summation of the components of a parachute recovery system that work to reduce descent velocity."
Shall and Must	“shall” and/or "must" versus “should” versus “may”, v—use of the word “shall” and/or "must" implies that a procedure or statement is mandatory and shall be followed to comply with this specification. “should” implies that this procedure/statement is recommended, and “may” implies that it is optional at the discretion of the supplier, manufacturer, or operator.