Furuno FE-800 Operator's Manual page 52

APPX. 3 LIST OF TERMS AND ABBREVIATIONS
Term
II Integrated Instrumentation
IN Integrated Navigation
IR Interference Rejector
I/F Interface
Meaning
AP-6
Term
TRANSDUCER, Transducer
XDR
TVG Time Varied Gain
TX Transmit
UTC Universal Time, Coordinated
Meaning