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2024

What should be paid attention to when using public broadcasting?

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Now in our life, we enjoy the convenience of public broadcasting in many cases. There are a lot of new information that we can get in the first time through public broadcasting, and there are many opportunities in it. But while enjoying the benefits of public broadcasting, we should also pay attention to the safety precautions when using public broadcasting:
1、 Pay attention to the operating conditions of the machine
Pay special attention to the following items: avoid using the machine in extremely low or extremely high temperature environment, and avoid direct sunlight on the surface of the machine; Avoid using the machine in a humid environment to avoid premature failure of internal components or premature rusting of the machine; Before use, make sure that the local power supply voltage is consistent with the machine.
2、 Pay attention to the operating environment of the machine
Avoid using the machine in dust and vibration environment; There should be enough space around the machine to facilitate the heat dissipation of the machine; For power amplifier, special attention should be paid to keep the cooling channel unblocked.
3、 Precautions in the use of the machine
During use, pay attention to the order of starting and shutting down. When starting up, turn on the front-end equipment such as sound source first, and then turn on the power amplifier; When shutting down, turn off the power amplifier first, and then turn off the front-end equipment such as the audio source. If the audio equipment has a volume knob, it is best to turn off the volume knob to the minimum before starting and shutting down. The purpose of this is to reduce the impact on the speakers when starting and shutting down.
It is strictly forbidden to pull and plug the signal plug with power. To avoid damage to the machine or speaker due to the electric shock generated; If the machine is abnormal during operation, immediately turn off the power supply and stop using it; If the operator does not understand the maintenance technology, do not open the machine without authorization to avoid greater damage to the machine or electric shock accident.
4、 Pay attention to the maintenance of the machine
Do not use volatile solution to clean the machine, such as wiping the machine surface with gasoline, alcohol, etc., and use soft cloth to wipe dust. Also, when cleaning the machine shell, unplug the power supply first. Generally, the machine is not waterproof. In case of wet water, it can only be started to work after the water is dry; Do not place heavy objects on the machine to avoid deformation of the machine.
In our life, we can get all kinds of big security issues from various aspects. As long as we pay attention to the elimination of security risks in the process of use, public broadcasting will play its greater practical value. Because there is no trivial matter in security, ensuring national security is an important prerequisite for doing everything well.