Cautions, Video head clogging, If condensation forms inside the movie camera – Panasonic NVG2E User Manual
Page 22: Keep the system away from oily smoke and steam, Protect the system from humidity and dust, Surrounding conditions, Keep the system away from heaters, Keep the system away from tv sets, Keep magnets away, Never put any objects inside
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Cautions
Please read these cautions before operating the System.
Video Head Clogging
The video heads are the means by which the System places
picture signals on the tape during recording, and reads picture
signals from the tape during playback. If these heads become dirty
and clogged from long use, the signals can no longer be recorded
correctly, and the playback picture will be distorted accordingly.
This is the case, for example, during the playback of a tape, the
sound of which is reproduced normally, but no picture is seen, or
the picture is greatly distorted. When such symptoms occur, have
the System checked by qualified service personnel.
The System is equipped with a head clogging detection function.
When the heads are clogged, the O Indication in the EVF will
appear. As the accumulation of dirt on the heads may be dislodged
by the movement of the tape, it is possible that this indication
sometimes appears, but may not reappear on the next recording
starts.
The head clogging detection function will be activated when the
shooting is started from the recording pause mode. However, it will
not be activated when shooting immediately after replacing the
cassette and after performing Camera Search or Playback.
If Condensation Forms Inside the Movie Camera
Condensation (dew) forms when warm air comes in contact with a
cold object, for example on a window in a heated room in winter.
Condensation may form in the Movie Camera and damage the
tape and the video heads, if:
•The System is in a room where the heater has just been turned
on.
•The System is in a room with steam or high humidity.
•The System is brought from cold surroundings into a well-heated
room.
•The System Is suddenly brought from cool surroundings, such as
an air-conditioned room or car, to a place which is hot and humid.
•When condensation has formed inside the System, the “DEW”
indication in the EVF will flash and a few seconds later, the unit
will turn itself off to protect the tape and the video heads.
After a while, turn the unit on again and make sure that the Dew
Mark is not displayed any more. Then, wait about 1 hour before
operating the System again. Depending on the surrounding
conditions, it may take several hours before the System can be
used again.
•As condensation forms gradually, it may take about
10-15 minutes before the System turns itself off after a change of
working environment.
• In an extremely cold place, condensation may freeze and turn
into frost. In this case, it may take quite some time for the frost to
melt, turn into dew and evaporate.
•When you bring the System from a very cold place, e.g. the ski
slopes. Into a heated room, keep it in a tightly closed plastic bag
or similar to prevent condensation from forming inside the
System.
Keep the System away from Oily Smoke and Steam
Protect the System from Humidity and dust
Surrounding Conditions
Use the System under conditions where the temperatures are
between 0°C and 40°C, and where the humidity is between 20%
and 80%. To avoid deformation of the outer case or other damage,
do not leave it exposed to direct sunlight for any length of time, also
never leave It in a closed automobile.
Keep the System away from Heaters
Keep the System away from TV Sets
Do not place the System near a TV set because It might impair the
picture and sound quality of the recorded tape, and/or adversely
affect the performance of the Movie Camera.
Keep Magnets away
Never bring a magnet or magnetized object such as fluorescent
lamps, motors, electric clocks and battery operated toys etc. close
to the System.
Keep the System away from Areas with Strong Electric
Fields
The picture may become distorted, when the System is used in
places with strong electric fields, such as near TV or radio
antennas.
Never Put any Objects inside
Never insert any object other than a video cassette into the
System. If any object is dropped into it or if any liquid is spilled into
it, consult qualified service personnel. Operating it with some
foreign matter inside may cause fire or electric shock.
No Fingers Inside
Touching internal parts of the System is very dangerous and may
cause serious damage to the System. Do not attempt to
disassemble it. For internal inspection, adjustment or repairs,
consult qualified service personnel.
Handle with Care
Never drop the System or expose it to strong physical shocks.
Shocks during use may result in abnormal operation and
performance.
Appearance of Smear Distortion
Smear distortion is a peculiar characteristic of the CCD device. It
appears as a bright verticai stripe on the screen when the System
is aimed at spot lights or other bright light and light reflecting
objects. To avoid this problem, make sure not to aim the System at
such strong light source during shooting.
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