Furuno FMD-3100 Operator's Manual page 310

APPENDIX 2 ABBREVIATIONS, SYMBOLS
Abbreviation
STAB
STBY
STD
SW
SYNC
T
TB
TC
TCPA
TCS
TGT
TGT, TGTS
TM
True-G
True-S
TT
TTD
TTG
TTM
TX
UTC
VECT
VRM
W
W/O
WHT
WPT
WT
YEL
AP-8
Stabilization
Stand-by
Standard
Switch
Synchronization
True
True Bearing
Track Control
Time to Closest Point of Approach
Track Control System
Target
Target, Targets
True Motion
True-ground
True-sea
Tracked Target or Target Tracking
Tracked Target Data
Time to go
Tracked Target Information
Transmit
Universal Time, Coordinated
Vector
Variable Range Marker
West
Without
White
Waypoint
Water Tracking
Yellow
Meaning