Glossary of Terms
RGB
Red-Green-Blue - the primary colors used in a color video
display
ROV
Remotely
Operated
Vehicle
SDTRAM
Sonar Data Transfer Random Access Memory
S-VGA
Super Video Graphics Adapter
SVP
Sound Velocity Profile, or Profiler
SSVP
A Surface Sound Velocity Profile, or Profiler, functions in the
same fashion as the SVP except that it is used exclusively to
determine sound velocity at a local position (usually at the
hydrophone face)
SYNC
Synchronize
or
Synchronization
Swath
The area of the seafloor illuminated by a single MBES Sys-
tem "ping"
TBD
To
Be
Determined
Transceiver
Transmitter and Receiver combination
Transmit Array
See Projector
TVG
Time Variable Gain control intended to vary the gain of an
amplifier over a pre-determined time period. Usually from a
low gain state to high gain.
TWEAKRAM
Tweak Random Access Memory - unique description for
RESON products - stores gain and phase correction coeffi-
cients and uplink status messages.
UDP
User
Datagram
Protocol
Uplink
Serial data stream or digitized multiplexed data sent 'up'
from the Sonar Head to the Sonar Processor
UTC
Coordinated Universal Time (UTC) is the international time
standard. It is the current term for what was commonly re-
ferred to as Greenwich Meridian Time (GMT)
UUV
Unmanned Underwater Vehicle
VAC
The Voltage of an Alternating Current circuit
VGA
Video
Graphics
Adapter
VRAM
Video Random Access Memory
VRP
Vessel
Reference
Point
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SeaBat 8101 Operator's Manual
5-2
Version 3.02
