MTL Minimum Triggering Level
ON Transponder ON mode (without altitude transmission)
NSCM Nato Supply Code of Manufacturers
PBIT Power-on Built-In Test
PN Part Number
R Reply
RX Receiver
SBY Standby mode
SEL Selection
SI Surveillance Identifier
SPI Special Position Identification Pulse
STO Store
SUPP Supply voltage DC
TCAS Traffic Collision and Alert Avoidance System (US)
TIS Traffic Information Service
TN Tail Number
TX Transmitter
VFR Visual Flight Rules
XPDR Transponder
INTRO Page 3
34-50-08 September 2011
INSTALLATION AND OPERATION BXP6401-X-(XX)