In the public relations activities, large-scale conferences, corporate forums will be applied to a lot of equipment, such as projection equipment, LED large screen, lighting equipment, audio equipment, dance beauty effects. Tell everyone how to use audio equipment safely to ensure the smooth progress of the event.
First, pay attention to the conditions of use of the machine
1. Avoid using the machine in extremely low or high temperatures, and avoid direct sunlight on the surface of the machine.
2. Avoid using the machine in a humid environment to avoid premature failure of the components inside the machine or premature rusting of the machine.
3. Make sure that the local power supply voltage matches the unit before use.
4. The equipment used in the hotel in winter is relatively dry and especially prone to static electricity. The humidity should be increased around the equipment to avoid static electricity failure.
2. Pay attention to the use environment of the machine
1. Avoid using the machine in dusty and vibrating environments.
2. There should be enough clearance around the machine to facilitate heat dissipation from the machine.
3. For power amplifiers, special care should be taken to keep the heat dissipation path open.
Third, the point of attention in the use of the machine
1. In the audio system, pay attention to the order of power on and off. When starting up, you should first open the front device such as the sound source, and then turn on the power amplifier; when shutting down, you should turn off the power amplifier first, then turn off the front device such as the sound source. If the audio equipment has a volume knob, it is best to turn the volume knob to the minimum before turning it on and off. The purpose of this is to reduce the impact on the speaker when the phone is turned on or off.
2. Do not pull or plug the signal plug. In order to avoid damage caused by the resulting machine or speaker.
3. If an abnormal sound is emitted during the operation of the machine, immediately turn off the power and stop using it. And please have qualified qualified maintenance personnel to repair. Do not open the machine without your own authorization, so as to avoid further damage to the machine or electric shock.
Pay attention to the maintenance of the machine
1. Do not use volatile solvents to clean the machine. For example, use gasoline, alcohol, etc. to wipe the surface of the machine. Use a soft cloth for dusting. Also, unplug the power supply when cleaning the machine casing.
2. The machine is generally not waterproof. If the water is wet, use a dry cloth to dry the water stains. After the water is dry, it can be turned on.
3. Do not place heavy objects on the machine to avoid deformation of the machine.
V. Safe use of the machine
1. Do not pull the power cord and plug in the power plug to avoid electric shock.
2. When not in use for a long time, unplug the power cord from the power outlet.
3. Do not let metal conductive materials such as iron needles, hairpins, coins, etc. fall into the machine to avoid damage to the machine.
4. When replacing the fuse of the machine, it should be replaced strictly according to the requirements. It is strictly forbidden to use substandard substitutes.
5. When the machine is in use, the chassis grounding point should be safely grounded.
6. The machine is strictly prohibited from working under overload or short circuit conditions.
7. Generally, there is an auxiliary power socket on the back panel of the civil power amplifier. Do not connect the electric hair dryer, electric iron and other electrical appliances through it. It can only be used to connect audio equipment.
8. In a constant voltage power amplifier, the output terminal has a higher output voltage, and the output terminal leads are generally longer. Therefore, in use, it is necessary to ensure that the output terminal leads are safe and reliable.
6. Pay attention to the protection of the power cord
1. Be careful to avoid the power cord being stepped on and being crushed by heavy objects.
2. Do not pull, insert and twist the power cord.
3. When pulling the plug out of the socket, grasp the plug and pull it out.
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