Abbreviations 
 
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Abbreviations 
 
 
S-VDR:   Simplified-Voyage Data Recorder 
IMO:   International Maritime Organization 
IEC:    International Electrotechnical Commission 
PCU:    Protective Capsule Unit 
RCU:    Recording Control Unit 
CF CARD:  Compact Flash Card 
FAN ABN. LED:  Fan Abnormal LED 
FGB:    Frame Grabber Board 
OPU:    Operation Panel Unit 
PCMCIA:  Personal Computer Memory Card International Association 
HDD:   Hard Disk Drive 
MCB:    Main Control Board 
PSU:    Power Supply Unit 
ARB:    Audio Recording Board 
NMEA:    National Marine Electronics Association 
NSK:    North Stabilized Kit 
UPS:    Uninterruptible Power Supply 
VESA DMTS:  Video Electronics Standards Association – Discrete Monitor Timings Standard 
rpm:   Revolution per minute 
BER:    Bit Error Rate 
RTC:    Real Time Clock