Sony DCR-TRV720 Operating Instructions Manual page 138

Maintenance information and precautions
Maintenance information
Cleaning the LCD screen
If fingerprints or dust make the LCD screen dirty, we recommend using a LCD
Cleaning Kit (not supplied) to clean the LCD screen.
Cleaning the video head
To ensure normal recording and clear pictures, clean the video heads.
When you playback/record in the Digital8
The video head may be dirty when:
– mosaic-pattern noise appears on the playback picture.
– playback pictures do not move.
– playback pictures are hardly visible.
– playback pictures do not appear.
– the x indicator and "
on the LCD screen or in the viewfinder.
When you play back in the Hi8/Standard 8 (analog) system
The video head may be dirty when:
– playback pictures contain noise.
– playback pictures are hardly visible.
– playback pictures do not appear.
If the above problem occurs, clean the video heads with the Sony V8-25CLD cleaning
cassette (not supplied). Check the picture and if the above problem persists, repeat
cleaning.
138
system
CLEANING CASSETTE" message appear one after another
or
or