Activeforever Plextalk PTR2 Digital DAISY Player and Recorder - Manual (Page 220)

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Voice Guide: "Unerasable disc."
Possible cause: The inserted CD is not a CD-RW disc.
Solution: You are unable to erase a CD unless it is a CD-RW type disc.
Troubleshooting when using PLEXTALK as a CD-R or CD-RW Drive.
Symptom: Drive does not work.
Possible cause 1: The USB cable is not connected correctly.
Solution: Reinsert the USB cable. Check the cable, the connector and
whether the pins are dented, bent or damaged.
Possible cause 2: The power is not on.
Solution: Check that the power cord and AC adaptor are securely
connected.
Possible cause 3: The operating system is Windows 98 Second Edition,
and the driver is not installed.
Solution: Install the USB driver from the User's Guide CD. Refer to Section
21.4.2 for more information.
Possible cause 4: The Power cord and AC adaptor are not genuine
products.
Solution: Use the accessory Power cord and AC adaptor that were
supplied with PLEXTALK.
Symptom: Cannot write.
Possible cause 1: A type of CD other than a recommended brand is being
used.
Solution: Use recommended CDs. Refer to the "Recommended CD-R/CD-
RW" section in Appendix A.
Possible cause 2: The disc has been inserted upside down.
Solution: Eject the CD and reinsert it the correct way up.
Possible cause 3: There is not enough space on the PC hard disk.
Solution: The required hard disc space differs for each writing methods.
However, to write data to a CD, you generally need about 1.2 to 2 times
the data capacity on the hard disc.
Possible cause 4: The power is not on.
Solution: Check that the Power cord and AC adaptor are securely
connected, and turn on the Power Switch.
Possible cause 5: The USB cable has not been connected correctly.
Solution: Reinsert the USB cable. Check the cable, the connector and
whether the pins are dented, bent or damaged.
Possible cause 6: The CD-R or CD-RW is scratched or of poor quality.
Solution: Carefully clean the CD and try again. If this fails, try using a
recommended brand of CD.