How to maintain your digital video camera

The frequency of use of digital video cameras is very high, and how to maintain and maintain the machine is a problem that users are very concerned about. Regarding maintenance precautions, there are usually brief instructions in the instruction manual, but it is far from enough for a comprehensive grasp of maintenance knowledge. Now I will introduce the maintenance of digital video cameras based on my years of experience in using digital video cameras.


1, high temperature, low temperature

Digital video cameras use CCD charge-coupled devices, which have limited high temperature resistance. Therefore, digital video cameras cannot be used to shoot directly at the sun or very strong lights. When there are special needs or cannot be avoided, the shooting time should be shortened as much as possible. Digital camcorders will deform when exposed to heat for a long time, so be careful not to expose the machine to strong sunlight for a long time during use and storage, and do not place the machine near heating pipes or electric heating equipment. In addition, don’t leave the camera in a car that is hot by the sun. If the camera has to be exposed to the sun for a long time, use a towel or a shielding tool mounted with tin foil to protect it from light.

The camera is only adapted to work at a temperature between 0°C and 40°C. Take measures to prevent cold when shooting in low temperature environments. We can keep the camera at a suitable temperature by hiding the camera in our pocket, and we have to carry spare batteries, because the battery will run out quickly at low temperatures. When the machine is brought to a warmer place from the cold, or the humidity in the working place of the machine exceeds a certain value, the surface of the drum will become sticky due to condensation. At this time, if the machine is turned on, the tape will stick to the drum. on. Due to the relatively high-speed movement between the magnetic tape and the magnetic head, it is easy to damage the magnetic head and the magnetic tape at this time, causing machine failure. Therefore, in this case, you need to wrap the camera in newspapers or plastic bags until the camera temperature rises to the ambient temperature before using it.

2, anti-glare, anti-inertness

Never point the camera lens at the strong sun or other strong light source, because the strong light will burn the camera tube. During the wonderful moments of sunrise and sunset, or when clouds or leaves block most of the sunlight, short-term shooting of the sun is allowed. Do not let the sun shine directly into the viewfinder, because strong light will damage the viewfinder screen. When using light illumination, there should be enough distance between the camera and the light to prevent the strong light from directly shining on the camera. When the camera is out of use, immediately turn off the power and put it in a backpack to avoid exposure to light.

Avoid continuous, long-lasting, and fixed shooting of subjects under strong light, especially subjects with strong contrast between light and dark, such as night lights, otherwise, the photosensitive target of the camera tube will be left on the bright subject. The “spot” makes the lens that will be shot in the future, especially the low-key picture, always appear that “spot”, which is inertia. If this happens, the camera should be “rested” for a few days, and it is generally expected to “recover” within a week. When the camera is not in use for a long time, it should be operated at least once every 6 months, and the power should be 2-3 hours each time.

3. Waterproof and moisture-proof

If the digital video camera is stored or operated in a high humidity environment, it is not only easy to cause circuit failure, but also easy to mold the camera lens. The video head is an easy to wear part and needs to be replaced regularly. In addition to the life of the video head depends on the material of the head, it is also closely related to the air humidity in the use environment. The greater the air humidity, the faster the video head wears out. Under normal circumstances, the working life of the magnetic head is the longest in an environment with a relative humidity of 40%, which can reach 1000 hours.

During use, if you accidentally spill water, coffee or other beverages or even fall into the water, we should immediately turn off the power, then wipe the water stains on the body, and then use a rubber blowing ball to spray the small seams of each part once. Finally, after a few hours of air-drying, test whether the camera malfunctions. Note: Do not rush to start the test immediately, otherwise it may cause a short circuit of the camera circuit.

In summer, when the camera is taken out of the air-conditioned room to a place where the temperature is high, the water vapor in the air will condense on the machine. This should be prevented by turning off the indoor air-conditioning several hours before taking the camera. , Let the room temperature rise, and open the cover of the case to heat up.

4. Shockproof and anti-collision

A digital video camera is a sophisticated mechanical device. Any vibration, especially severe vibration and collision, will cause damage to the device. Vibration damage to any electronic components and important parts that determine the image quality of a digital video camera will seriously affect the operation of the digital video camera. Therefore, it is necessary to keep your hands or the body on the camera during shooting to ensure that the camera will not hit hard objects or be injured. It is best to put it back in the camera case or camera bag when not in use.

5. Anti-corrosion and anti-magnetic

Digital cameras should be kept away from chemicals. When shooting in some chemical production factories or places with a lot of smoke and dust, they should be wrapped in plastic bags and placed in a ventilated place after use. When cleaning the camera, only use a dry, soft cloth, or use a soft cloth dipped in some soft detergent to wipe. Do not use solvents such as alcohol and petroleum ether, because they will corrode the camera housing.

The digital video camera is a precision equipment integrating photoelectricity. Photoelectric conversion is its main working principle. Key components such as CCD and DSP chips are sensitive to strong magnetic and electric fields. They will hinder the normal performance of these components and directly affect the shooting effect. Even the digital video camera cannot be operated. The camera should not be close to objects with magnetic fields, such as motors, transformers, speakers, magnets, etc. Even the antennas of radios and televisions can distort the images captured by the camera, and it is best not to approach them.

6. Smoke and dust proof

Digital video cameras should be operated and stored in a clean environment, which can reduce the possibility of malfunctions caused by external dust, dirt, oily smoke and other pollution. Because oil fume, dust, etc. fall into the lens of the machine, it will affect the clarity of the camera image and increase the inertia of the adjustment switches and knobs. In addition, when the magnetic head and the magnetic tape move at a relatively high speed, the dust falling on the magnetic head or the magnetic tape will damage the magnetic head and the magnetic tape like sand. When shooting outdoors in open areas, there will be a lot of wind and sand, and there may even be strong winds. Because the sand can easily scratch the camera lens or enter the focus ring and other mechanical devices to cause damage, you should always cover the lens with a protective cover except when shooting. It is best to put the protective cover of the camera in areas with heavy sandstorms.

7. Anti-X-ray

Do not place the camera in a radio wave or X-ray active area, as both will damage the lens and electronic components.

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