TM 1-1520-238-10
Change 9
B-5
Appendix B – Abbreviations and Terms (cont)
DISP, DSP
Display
DIST
Distance
DNS
Doppler Navigation Set
DSA
Day Sensor Assembly
DTU
Data Transfer Unit
DTV
Day Television
DVO
Direct View Optics
E
ECS
Environmental Control System
ECU
Electrical Control Unit (for engine)
EDGE LT PNL
Edge Light Panel (switch)
EEPROM
Electrically-Eraseable Programmable Read-Only Memory
EID
Emitter Identification Data
EGI
Embedded Global Positioning System (GPS) Inertial
EL
Elevation
ELEC, ELECT
Electrical, Electric
ELEV
Elevation
ELEX
Electronics
EMER
Emergency
EMERG
Emergency
EN, ENT
Enter, Entry
ENCU
Environmental Control Unit
END
Endurance
ENG
Engine
ENG CUT
Engine cut
ENG INST
Engine Instrument (lighting)
