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AP-13
APPENDIX 3 ABBREVIATIONS LIST
Abbreviations
Abbreviation Term Abbreviation Term
ACK Acknowledge LAT Latitude
AIS Automatic Identification System LO Low
ALARM Alarm LOG Log
ANT Antenna LON Longitude
APP Application LV Level
APR April MAR March
AUG August MEM Memory
AUTO Automatic MENU Menu
BRILL Brilliance MIN Minute(s)
CAN’T Cannot MMSI Maritime Mobile Services
Identity
CH Channel MSG Message
COMM Communication MUTE Mute
CPU Central Processing Unit N North
DATE Date NAV Navigation
DEC December NG No Good
DSC Digital Selective Calling NOV November
DSP Digital Signal Processor OCT October
DUP Duplex OFF Off
DW Dual Watch ON On
E East PLL Phase Locked Loop
ECC Error Correction Code PSTN Public Switched Telephone
Network
ENT Enter PWR Power
EPFS Electronic Position Fixing System RAM Random Access Memory
EQUIP Equipment REF Reference
FEB February RF Radio Frequency
FPGA Field Programmable Gate
Array
ROM Read Only Memory
FREQ Frequency RT Radiotelephone
GMDSS Global Maritime Distress and
Safety System
RTC Real Time Clock
GNSS Global Navigation Satellite Sys-
tem
RX Receive
HI High S-DUP Semi-Duplex
HS Handset SEC Second(s)
INFO Information SEP September
INLAND-W Inland Waterway SIMP Simplex
INS Integrated Navigation System SP Speaker
INTERCOM Intercommunication System SQ Squelch
INT’L International TIME Time
JAN January TRX Transmit and Receive
JUL July TX Transmit
JUN June USA United States of America