Panasonic AJ-D750P - Manual (Page 69)

Video head cleaning
This unit has an auto head cleaning function which automatically reduces the dirt on the
heads. However, to further increase the units reliability, it is recommended that its video
heads be cleaned every day.
Use the cleaning fluid designated by Panasonic.
Condensation
Condensation occurs due to the same principle involved when droplets of water form on a
window pane of a heated room. It occurs when the unit or tape is moved between places
where the temperature or humidity varies greatly or when, for instance:
It is moved to a very humid place full of steam or a room immediately after it has been
heated up.
It is suddenly moved from a cold location to a hot or humid location.
When moving the unit to locations such as these, leave it standing for about 10 minutes
rather than switching on the power immediately.
If condensation has formed on or in the unit, the AUTO OFF lamp lights and the cassette
tape is automatically ejected.
Keep the power supplied and simply wait until the AUTO OFF lamp goes off.
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