As a projector's core components and important consumables, projection light bulbs are always a kind of “fragile†product. In order to avoid various failures of projection light bulbs, we should pay attention to the following when using the projector:
Switching machine to pay attention to the order
When we turn on the projector, we should first turn on the power switch, then press and hold the Lamp button on the projector panel until the projector green light is stable. When you turn off the projector, you should also press the Lamp button until the projection fan stops, and then turn off the power switch.
If you do not follow this correct sequence, the projector may not be able to dissipate heat in time, causing damage to the bulb, or even an explosion.
Do not let projection work long hours
We know that the projection light bulb is an important consumable item, and it is also extremely "golden and noble". If you do not get enough projection lamp to rest, the performance of the projection lamp will be greatly affected.
The author recommends that users do not let the projection lamp work continuously for more than four hours. If this limit is exceeded, the projector will accumulate a lot of heat during long working hours, and the bulb will also generate high temperatures inside, which will easily cause the lamp's brightness. The rapid decay. Even if there are many kinds of long-life light bulbs on the market today, their working life will be greatly reduced over a long period of time. We must not fall into the wrong zone.
Avoid frequent switching
The process of projecting a presentation should have multiple users, and its use is not continuous. This frequent switching operation in a short period of time will cause the projection light bulb to be continuously subjected to an impact current or an impact voltage. In severe cases, the bulb will be burned. Therefore, it is recommended that if you use someone next time, you can use standby mode.
When the projector is switched between the on and off states, the user should maintain a period of about 5 minutes for heat dissipation. This is because the power supply section of the projector uses electronic components such as transformers and power switch tubes. These components are frequently switched. During the working state, a large amount of heat is generated, which causes the internal working temperature of the projector to be so high that the bulb explosion is caused.
Do not move the projector in use
In the projection process, we will certainly encounter the situation to adjust the projection position. At this time, many people will take a direct move to adjust to a suitable position. However, when the projection lamp is used at a high temperature, the filament inside the lamp is usually operated in a semi-fused state. If the projection is moved frequently at this time, the projection lamp may be damaged.
Never pull out the power directly
This is for those who do not support the projection that is open or closed function, the user after using the projector should first close the projector control panel software switch, so that the projection lamp stops working, and then let the projector fan to continue to work Time, and other heat generated when the work is exhausted, the cooling fan stops working and then cut off the power, and finally unplug the power cable from the power outlet.
For some business people who are desperately on the go, there are currently some portable projectors, and those already equipped with instant-on or off-the-character projectors are equipped with a small battery to ensure that the fans can continue after the power is turned off. Work until the heat is exhausted, it can be done after the demonstration can cut off the power to take the projector away.
Power and projection must be consistent
In general, the projector has strict requirements on the connection of the power supply. The user must use the supplied power cable. The projector and the computer must be connected to the same power outlet, and the power outlet must be grounded. However, during the actual use, many users may use ordinary universal cables instead of the original one for a moment, which may cause great damage to the projection light bulb.
In order to ensure that the life of the projection lamp is not affected, the user should use the power cable that the projector is equipped with. If the original cable cannot be found or has been damaged, you can purchase a power cord of this model separately. If it is bought If not, you also need to purchase the same universal cable as the original cable specification.
Use the same type of light bulb
When the projection lamp needs to be replaced, we should immediately check the projector manual to ensure the correctness of the replacement procedure. We must also confirm which general-purpose lamp types are compatible with the projector. We must not use the projection lamp that is incompatible with the projector. Otherwise it will appear improper installation, and may even burn down the projection lamp or the projector; we must also be careful not to interchangeably use the bulbs of different brands of projectors, so it is easy to cause the projector lamp bulb due to power mismatch scrapped.
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