Intelligent Conference System Sound System Speakers have noise or howling faults: Intelligent Conference System Sound System Speakers have noise or howling solutions:
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1. If the battery of the microphone is low or the volume of the amplifier is too large, it is easy to produce noise. It is recommended that the user replace the battery or reduce the volume of the amplifier first.
2, Mike is too close to the speaker or facing the speaker is easy to produce howling, please adjust the distance and angle between the microphone and the speaker; the volume of the amplifier too large will also produce howling, adjustable low power amplifier volume try.
Intelligent Conference System Sound System Mike Silent Fault Phenomenon: Intelligent Conference System Sound System Mike Silent (Wireless)
Solution: Check if the microphone battery is dead; whether the wireless microphone receiver is powered; whether the connection between the receiver and the mixer is connected or loose.
Intelligent conference system audio system speaker does not sound failure phenomenon: intelligent conference system audio system speaker does not sound solution suggestions:
1. Check if the power amplifier is powered on or whether the power socket is powered. Users often turn off the power of the device when the system is turned off.
2. If the amplifier is turned on, check if the system is muted, or adjust the volume of the amplifier to be too low, so that the speaker is silent or the volume of playback is small.
3. If the amplifier is turned on, the volume is also adjusted, and the speaker still has no sound, then check if the mixer is powered off.
The projector in the intelligent conference system is not lit. Symptom: The projector in the intelligent conference system is not lit.
Solution suggestion:
There are usually two expressions when the projector is not lit: A. The projector is not powered; B. The power is not projected. Step by step check as follows:
Step 1: Determine if the projector itself is working properly. Q1: Is the projector's power switch turned on and the indicator light is on?
The indicator does not light after power-on, indicating a problem with the projector. Under normal circumstances, the hard-switching power supply of the user's projector is long-open, and the power indicator light is long. Among them, yellow light: waiting; green light: normal; red light: power up Q2: Is the LAMP light and TEMP light long or blinking? (shows red)
A red light on the LAMP indicator indicates that the projector lamp is broken, reminding the user to replace the lamp.
The red light on the EMP indicator indicates that the projector is in an error state and cannot be projected. The projector is in self-protection or the hardware is bad.
Q3: Let the user connect the computer directly to the projector. Does the projector project? Does the port setting of the projector receive signals match? (if it is a VGA receiving port)
If the projector is not projected after connecting the projector directly, if the projector has a problem, if the projector is projected normally, it indicates that there is a problem with other related devices or cables connected to the projector.
Step 2: If it is judged that the projector is working properly, check other devices connected to the projector: table plug, matrix, VGA splitter and the connection line between them.
Q4: Is the matrix turned on?
When the VGAS matrix is ​​turned off, all VGA signals will not be switched to the projector. Look at the power supply board for power. After power-on, the matrix does not light, indicating that there is a problem with the matrix.
Q5: Is the desk plugged in?
The power indicator on the desk is not lit, indicating that the desk plug is not powered and cannot transmit signals. Look at the power supply board for power. After power-on, the desk plug indicator does not light, indicating that there is a problem with the desk.
Q6: Is the VGA splitter powered?
The power indicator of the splitter is not lit, indicating that it is not working, the signal cannot be transmitted, and whether the power strip connected to this is powered. If the split indicator is off after power-on, there is a problem with the splitter.
If the above devices are powered up normally, it is necessary to judge whether the matrix, the table plug, the distributor and the connection have quality problems. At this time, maintenance personnel need to go to the door for maintenance.
Can the lighting control system not turn on the light or turn off the light?
Symptom: Can the lighting control system in the intelligent conference system not turn on the illumination or turn off the illumination?
Analysis of the cause: The module in the CNPCI-8 relay does not pick up or disconnect.
Solution: If this happens only occasionally, you can tap the module inside the relay to pull it in or out. If it occurs frequently, notify the maintenance personnel to go to the site for inspection.