NT-2000 REF Manual
List of Abbreviations
11-1
11. List of Abbreviations
The abbreviations used in this manual and menus, on screen, control panel and rear
panel are listed below.
A: amperes
ACKNLG: Acknowledge
ALM: Alarm
ANT: Antenna
BNC: Type of coaxial connector
BRT: Brightness control key
BSH: Bundesamt für Seeschiffahrt und Hydrographie (
Federal Maritime and
Hydrographic Agency, Germany)
BV: Bureau Veritas (France), EU notified body
CER: Character Error Rate (ratio of asterisks to total number of characters)
CH: Operating channel (
receiver currently in use)
CLR: Clear key
CPU: Central Processing Unit (
core of single–chip microcomputer on CPU PCB)
D: Depth (part of cabinet dimensions)
dB: decibels (
unit of relative power strength)
DC/AC: DC–to–AC (
DC–to–AC voltage inverter for screen backlighting lamp)
DIM: Dimmer key (
for keypad backlighting)
DOS/V: Disk Operating System/V (
PC operating system for IBM–compatibles)
DRAM: Dynamic Random Access Memory
EMC: Electromagnetic compatibility
EN: Europäische Norm ( European Standard)
ENT: Entry key
F: Frequency
FEC: Forward error correction (
error–correcting protocol in NAVTEX system)
FL : Fluorescent lamp (
screen backlighting lamp)
FM: frequency modulation
FREQ: Frequency
FSK: Frequency shift keying (
modulation technique for NAVTEX transmission)
FWE: Flash–memory write enable (
CPU-embedded flash memory programming)
F/C: Frequency converter (
used to receive 4209.5 kHz on second receiver)
GMDSS: Global Maritime Distress and Safety System
GND: Ground
GPS: Global Positioning System, GPS receiver/sensor
H: Height (
part of cabinet dimensions)
ID: Identification code (
identification of transmitter)
IEC: International Electrotechnical Commission
IMO: International Maritime Organization
ISO: International Standardization Organization
I/O: Input /Output
kB: kilobytes
kg: kilograms
LSB: Least significant bit
LST: Local standard time
LAT/LON: Latitude / Longitude coordinates
LCD: Liquid crystal display
(
continued on next page
)
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