Glossary - VideoRay Pro 4 Operator's Manual

Glossary

Accelerometer - A device used to measure acceleration - used to determine pitch and roll of the ROV
Accessory - An optional device that can be used with the VideoRay system to augment its features and
capabilities
Accessory Port - ROV connection for ROV mounted accessories that provides access to power and data
circuits
Acoustic - Using sound as a method of communicating underwater - often used to measure distance
AGC - See Automatic Gain Control
Altitude - The height of the ROV off of the bottom
Analog Video Out - Video connector on the control panel for interfacing composite analog displays
APIC - (Auxiliary Pair of Independent Conductors) Also called the Spare Pair (See AUX, AUX Port and Spare
Pair)
Artificial Horizon - See Attitude Indicator
Attitude Indicator - Instrument that provides an indication of the pitch and roll of the ROV
ATW - (Automatic White Balance) color corrects an image - See also White Balance
Audio - In VideoRay context, the ability to record verbal annotation along with the video recording
Auto Depth - Control Feature that maintains the depth of the ROV at a constant value
Auto Heading - Control Feature that maintains the heading (compass direction) of the ROV at a constant value
Automatic Gain Control - Used to manage the intensity of the image - can be adjusted for lighter or darker
images
AUX - Circuit provided for accessories or custom applications (See APIC)
AUX Port - Connector on the control panel that provides access to the AUX circuit (See APIC)
Back Light Compensation - Intentional overexposure to minimize the effects of a bright area in an image
Ballast - Weights used to decrease buoyancy of the ROV to achieve desired buoyancy
Black and White - Image quality using black white or shades of gray only
BLC - See Back Light Compensation
Buoyancy - The tendency to float, sink or remain at a constant depth
Bypass - The Bypass switch allows the system to be used in the event of a Line Insulation Monitor alarm state
(See LIM)
Camera - The camera provides a video image from the ROV
Camera Focus - Method to control image focus or the current state of image focus
Camera Menu - Method to control camera functions
Camera Switch - Method to select whether the internal or external camera is active
Camera Tilt - Method to control the vertical angle of the camera or the current state of camera tilt
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