Panasonic CF-52 Series User Manual

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No sound.

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Press Fn+F4 or Fn+F6 to cancel mute.

Distorted sound.

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Performing Fn key combinations sometimes causes sound distortion. Stop and 
restart playback.

Cannot change the volume by press-
ing Fn+F5 or Fn+F6.

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Activate the Windows sound function. When it is not active, the volume does 
not change even if 

 is displayed.

“There was an error updating the reg-
istry” appears when Sound Recorder 
is started.

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Sound Recorder is started by a limited account user whose language setting is 
not the same as the administrator user who last started Sound Recorder. This 
does not affect the operation.

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Only numbers can be input.

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When the indicator   is on, the keyboard is in ten-key mode. Press NumLk to 
cancel.

Only capital letters can be input.

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When the indicator   is on, the keyboard is in Caps Lock mode.
Press  Caps Lock to cancel.

Cannot enter special characters (ß, à, 
ç, etc.) and symbols.

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Use the character map. Click [start] - [All Programs] - [Accessories] - [System 
Tools] - [Character Map].

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The CD/DVD drive does not work nor-
mally.

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Set [DVD Operation] to [Enable] in the [Security] menu of the Setup Utility 
(

).

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Clean the lens (

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Check the disc condition (

).

Cannot play back TV programs 
recorded on a commercial DVD 
recorder.

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Finalize the disc on the DVD recorder when the program was recorded in video 
mode on DVD-R/RW or in VR mode on DVD-RW.

A blue background appears on the 
screen when playing an MPEG image.

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You opened the CD/DVD drive or removed the MPEG disc while it was operat-
ing. Re-insert the MPEG disc and close the CD/DVD drive. 

The CD/DVD drive vibrates exces-
sively or makes noise.

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Insert the disc correctly.

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Check the disc condition (

).

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Set [DVD Drive Speed] to [Low] in the [Main] menu of the Setup Utility 
(

).

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When writing to a CD using B’s Recorder, set the writing speed at [8x] or less.