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To protect recorded content
You can protect recorded contents of the HDD or a
DVD-RAM disc from unexpected deletion.
Protection is provided for each title (original).
1) Perform steps 1 and 2 in “Playing recorded
contents (CONTENT MENU)” (
page 60) to
select a title.
2) Press QUICK MENU button, and press
/
buttons to select “Title information”. Then press
ENTER button.
3) Press QUICK MENU button, and press
/
buttons to select “Lock” and then press ENTER
button.
The mark
appears.
Notes
• To cancel protection, repeat this procedure.
• Disc initialization erases all titles on a disc even if they are
protected.
• Executing “All HDD titles delete”( page 156) erases all
titles on the HDD even if they are protected.
Relay recording
HDD
DVD-RAM
This function automatically diverts a recording to the
HDD if a DVD-RAM disc is near capacity.
When the remaining time of the DVD-RAM disc has
reached about 10 minutes, the recorder starts
recording the same content on the HDD as well as
DVD-RAM. The chapter marks are automatically made
at the start and end points of the overlapped recording
portion. You can delete the unnecessary overlapped
portion afterwards by referring to the chapter marks.
To engage the Relay Recording function, set “Relay
recording” to “On” (
page 155).
Notes
• When the capacity of the HDD is not sufficient, the
operation is canceled.
• While recording the overlapped portion, you cannot pause
the recording.
• While recording the overlapped portion, you cannot play a
recorded title on the same disc.
• When another programmed recording is set just after the
relay recording, the relay recording stops about 2 minutes
before the next programmed recording starts.
Technical Information
About recording time
The recording time of a typical VCR (Video Cassette
Recorder) is determined by the length of a video tape
and recording speed (SP, LP, etc.). Video tapes with
various recording times are available on the market.
On the other hand, the recording time of a DVD-RAM/
R/RW depends on the bit rate (Mbps: amount of data
transmitted per second), which can be varied in
MPEG2 (Moving Picture Experts Group2)
compression technology.
As an example, when you pour water into a bucket
from a faucet, the faster the water flows, the sooner
the bucket is filled with water. On the other hand, the
slower the water flows, the more slowly the bucket is
filled. A DVD-RAM/R/RW is, so to speak, like a bucket,
and the degree you turn the faucet is bit rate, the time
required to fill the bucket with water is the recording
time available for a disc. The higher you set the bit rate
(making much more water flow), the sooner a disc is
filled. Consequently, the recording time becomes
shorter. The lower you set the bit rate, the longer time
it takes to fill a disc.
About picture quality (SP, LP, MN (Manual) mode)
The higher you set the bite rate, the more the volume
of information for the picture. The lower the bit rate, the
less the volume of picture information.
However a high bit rate does not always mean that the
picture quality is high. The difference between the 1.4
Mbps and 9.2 Mbps is obvious, but when comparing
similar bit rates, the difference may be insignificant.
Generally when you set the bit rate low for a longer
recording, the data volume shortage will result in a
lack of detail information. As a result, the picture
quality is decreased (more noticeable with dynamically
moving images). For example, square noises (block
noise) may occur in a scene with fast action or a
scene with light and shadows, such as a water
surface.
This recorder has two settings, 2 hour recording at
“SP” mode or 4 hour recording at “LP” mode (both
assume a blank 4.7 GB DVD-RAM). It is
recommended to consider the “SP” mode as a
standard mode and use the “LP” mode when you want
to record for long time regardless of the picture quality.
When you want to record a music program or
animation with high picture quality, it is recommended
that you select the “MN” mode. If you select more than
6 Mbps, you can usually record with considerably
higher picture quality. However the higher you set the
bit rate, the shorter the recording time.
Recording start
Recording end
10min.
DVD-RAM disc
HDD
RD-XS35SU/SC_Ope_E_p049-058 06.1.17, 7:23 PM56