Activeforever Plextalk PTR2 Digital DAISY Player and Recorder - Manual (Page 169)

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NOTE: When backing up to Music CD format, PLEXTALK will automatically
insert a silence of approximately 2 seconds between tracks.
20.2.3. Backup time for a Music CD.
For the range of available sample rates or bit rates, the approximates are
given below: backup times
• Backing up about 70 minutes of audio from a Music CD to a CF
card:
PCM 44.1kHz Stereo: 35 minutes approximately.
MP3 256K Stereo: 80 minutes approximately.
MP3 128K Stereo: 70 minutes approximately.
• Backing up around 70 minutes of audio from a CF card to a Music
CD:
PCM 44.1kHz Stereo: 20 minutes approximately.
MP3 256K Stereo: 30 minutes approximately
MP3 128K Stereo: 30 minutes approximately.
20.3. Erasing CD-RW discs.
PLEXTALK enables you to erase CD-RW discs in order that you can record
new data. You can do this as follows:
• Press the Menu key once to access the Main Menu.
• Use the Number 4 or 6 key to go to the "Media Management"
option and select it by pressing the Enter key.
• Use the Number 4 or 6 key to go to the "Erase CD-RW" option and
select it by pressing the Enter key.
• If you do not have PLEXTALK connected to mains power at this
time, PLEXTALK will speak a warning and ask you to confirm that
you wish to proceed. If you are connected to the mains source, this
warning will not be heard.
• If you wish to continue, press the Enter key or press the Cancel key
to abort the process.