Operation Manual
Maintenance and Troubleshooting 69
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Data operation problems
Sound breaks off when the video or audio is played.
Cause What to do
The bit rate of the data is 
too high.
Check the bit rate. See 
“Available types of video/audio 
data” on page 35 for details.
No sound comes out when a video is played.
Cause What to do
The Audio Codec of the 
data is not supported.
Check the file format. See 
“Available types of video/audio 
data” on page 35 for details.
Cannot copy.
Cause What to do
The space available on the 
HDD is not sufficient to 
copy all of the data in the 
memory card.
Delete unnecessary data in the 
HDD or reduce the number of 
data to copy from the memory 
card.
Cannot copy.
Cause What to do
The data may be broken. Try to copy a different data.
Cannot delete.
Cause What to do
The data is locked. See “Using the Pop Up Menu” 
on page 49 and unlock the data 
to delete it.










