Grass Valley PDR v.2.1 - Manual (Page 140)

Glossary
124 Profile Family
dB
Decibel. In theory, the minimum change in sound intensity that the human
ear can distinguish; also, a relative unit used to compare the strength of
acoustic signals.
Default
A value that is automatically assigned or used in the absence of any other
input. For example, a new Profile system shipped from the factory is zero-
timed by default while E to E mode is the nondefault setting.
Dialog box
A box displayed in a computer application’s graphical user interface where
you choose options and enter information. Use the mouse or keyboard to
move from field to field, click on buttons and position the text insertion
point. Enter information with the keyboard.
Digital
In digital audio/video systems, sounds and images are converted into a series
of binary values (ones and zeros).
D to A
Digital-to-analog converter. A device used to convert digital signals into an
analog form. For example, compact disc players use D to A convertors to
convert the digital information on the CD into analog audio suitable for
amplification.
Disk expansion unit
A product (PDX103 and PDX208) that adds disk storage to a Profile video
disk recorder.
Disk Utility
The Profile Disk Utility tool is used to maintain Profile hard drives. This
includes formatting and labeling disk volumes, eliminating bad blocks, and
updating hard drives with new microcode.
Display
A device that receives video output from a display adapter such as VGA card
and displays the video output on a screen.