How to use audio equipment safely.Bar hall sound Processing

　　1、 Pay attention to the operating conditions of the machine:

　　Generally, the operating conditions of the machine are listed in the operating instructions of the machine, such as:

　　1. Ambient temperature: - 10 ℃ -+40 ℃

　　2. Relative humidity: 50% - 80%

　　3. Power supply voltage: 198V-242V

　　4. Power frequency: 50H-60Hz

　　Specifically, it requires:

　　1. Avoid using the machine in an extremely low or extremely high temperature environment, and avoid direct sunlight on the surface of the machine.

　　2. Avoid using the machine in a humid environment to avoid premature failure of components in the machine or premature rusting of the machine.

　　3. Make sure that the local power supply voltage is consistent with the machine before use. 2、 Pay attention to the operating environment of the machine:

　　1. Avoid using the machine in dusty and vibrating environments.

　　2. Enough clearance shall be reserved around the machine to facilitate heat dissipation of the machine.

　　3. For power amplifier, special attention shall be paid to keep the heat dissipation channel unblocked.

　　3、 Precautions in use of the machine:

　　1. In the audio system, pay attention to the order of power on and power off. When starting up, turn on the front-end equipment such as sound source first, and then turn on the power amplifier; The power amplifier shall be turned off before shutdown,

　　Turn off the audio source and other front-end devices. If the audio equipment has a volume knob, it is better to turn off the volume knob to the minimum before starting and shutting down. The purpose of this is to reduce power on

　　Impact on the speaker when the machine is turned off.

　　2. It is forbidden to unplug or plug the signal plug with power. To avoid damage to the machine or speaker due to the impact.

　　3. If the machine makes abnormal noise during operation, the power supply shall be turned off immediately and the machine shall not be used. And ask experienced and qualified maintenance personnel to repair. Do not open the machine without authorization,

　　To avoid greater damage to the machine or electric shock. 4、 Pay attention to the maintenance of the machine:

　　1. Do not use volatile solution to clean the machine, such as gasoline, alcohol, etc. to wipe the machine surface, and use a soft cloth to wipe dust. Also, unplug the power supply before cleaning the machine shell.

　　2. Generally, the machine is not waterproof. In case of wet water, dry the water stains with a dry cloth. Only after the water is completely dry can the machine be started to work.

　　3. Do not place heavy objects on the machine to avoid deformation of the machine.

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