Sony RDR-HX900 User Manual
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110
Hard disk drive (page 8)
A hard disk drive is a whole mechanical system 
that consists of disks and drive. Disks are flat, 
circular, rigid plates coated with a thin magnetic 
media. Magnetic heads record data on the rapidly 
spinning disks, and this enables the speedy and 
efficient reading and writing of data.
Interlace format (page 18)
Interlace format shows every other line of an 
image as a single “field” and is the standard 
method for displaying images on television. The 
even number field shows the even numbered lines 
of an image, and the odd numbered field shows the 
odd numbered lines of an image.
Original (page 64)
Titles actually recorded on a DVD-RW (VR 
mode). Erasing original titles frees up disc space.
Playlist (page 64)
Playback information created from the actual 
recordings on a DVD-RW (VR mode). A Playlist 
leaves the original titles as they are, and contains 
only the information needed to control playback. 
A Playlist title takes up very little disc space.
Progressive format (page 18)
Compared to the Interlace format that alternately 
shows every other line of an image (field) to create 
one frame, the Progressive format shows the entire 
image at once as a single frame. This means that 
while the Interlace format can show 30 frames/60 
fields in one second, the Progressive format can 
show 60 frames in one second. The overall picture 
quality increases and still images, text, and 
horizontal lines appear sharper.
Title (page 61)
The longest section of a picture or music feature 
on a DVD, movie, etc., in video software, or the 
entire album in audio software. 
Track (page 61)
Sections of a music feature on a CD (the length of 
a song).