Garmin Personal Navigator GPS 100AVD Owner's Manual page 112

PROX - Proximity
RNG - Range
SPD - Speed
STR - Steer To
TAS - True Airspeed
TAT - Total Air Temperature
TEMP - Temperature
TRN - Turn (Off Course Error)
TRK - Track Angle
USR - User Waypoint
UTC - Universal Time
Coordinated
VMG - Velocity Made Good
VNAV - Vertical Navigation
VOG - Velocity Over the
Ground
VOR - VOR Waypoint
WPT - Waypoint
B-2