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Preparations
|
3. Disc preparations
3-1. Disc formatting
|
To record frames on a new disc, the disc must first be
formatted
in the formatting mode
(RGB mode
or
Component mode) which is supported by the unit.
Select the mode in accordance with the type of input
video signals which are to be recorded.
1) RGB mode
This formatting
mode
is used when the input
signals to be recorded are RGB signals. The RGB
signals input are respectively digitized (18M, 4:4:4)
with a sampling frequency of 18 MHz and 8-bit
guantizing, recorded on the disc and then played
back.
Still-picture recording capacity per single-sided
(2.6GB) disc
1,680 frames
2) Component mode
This formatting
mode
is used when
the input
signals to be recorded are composite, component
(Y, Ps, Pr) or S-VIDEO signals.
I
|
The input signals are first converted internally into
component (Y, Ps, Pr) signals, digitized (13.5M,
4:2:2) with a sampling frequency of 13.5 MHz and
8-bit quantizing, recorded on the disc and then
played back.
Still-picture recording capacity per single-sided
(2.6GB) disc
3,300 frames
The equipment mode
is set to the RGB mode or
Component mode using the "RGB MODE" DIP switch
on the unit's rear panel. When the switch is at OFF,
the Component mode is established, when it is at ON,
the RGB mode is established.
Be absolutely sure that
the power has been turned off before changing the
DIP switch setting. The recording format is selected
on the basis of the equipment mode setting. When
formatting a disc with the RGB
mode set as the
equipment
mode, it will be formatted in the RGB
mode: when formatting it with the Component mode
set, it will be formatted in the Component mode.
22
Cautions:
1.
The disc formats used by this unit are unique to
the unit: they are different from the DVD-RAM
format which is used by computers, etc.
. When a disc is formatted, all the data previously
recorded
on the disc will be erased.
Before
formatting, therefore, check whether any of the
data already recorded on the disc is needed.
„lt is not possible to use both the RGB
and
component recording formats for the same disc.
The
recording
format
is determined
at the
formatting stage. To change the recording format,
the unit's equipment mode must first be changed
and the disc re-formatted (which means that the
data already recorded will be erased).
. The drive's BUSY lamp lights up orange while
tormatting is underway: under no circumstances
must be power be turned off while it is lighted.
Otherwise, the disc may be destroyed.
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