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會(huì )議室音響設備的正常切換順序非常重要，如果不按標準程序操作，有時(shí)可能會(huì )直接損壞功放、調音臺或其他配件。下面就跟著(zhù)山東會(huì )議室音響小編來(lái)聊聊這個(gè)內容。

The normal switching sequence of the audio equipment in the conference room is very important. If it is not operated according to the standard procedures, sometimes it may directly damage the power amplifier, mixer or other accessories. Now let's talk about this with the audio editor of Shandong conference room.

因為機器開(kāi)關(guān)機的瞬間電流很大，直接開(kāi)啟一個(gè)設備的電源，瞬間電流會(huì )通過(guò)連接線(xiàn)傳送到下一個(gè)設備，造成關(guān)聯(lián)設備的工作電流瞬間增加并損壞設備。所以信號的輸入應該是開(kāi)機操作的方向，即播放設備（CD機、VCD機、MD機、卡座、MP3等）——信號處理設備（激勵器、效果器、分頻器）、均衡器等）--功率放大器--顯示設備（電視機、投影儀等）。

Because the instantaneous current of the machine switching on and off is very large, directly turn on the power supply of one equipment, and the instantaneous current will be transmitted to the next equipment through the connecting line, causing the working current of the associated equipment to increase instantaneously and damaging the equipment. Therefore, the input of signal should be the direction of startup operation, that is, playback equipment (CD player, VCD player, MD Player, card holder, MP3 player, etc.) -- signal processing equipment (exciter, effector, frequency divider), equalizer, etc.) -- power amplifier -- display equipment (TV, projector, etc.).

關(guān)機時(shí)反向操作。在沒(méi)有電源定序器的情況下，使用上述的上電和關(guān)機順序。如果加了電源定序器，連接設備電源時(shí)必須考慮瞬時(shí)電流的影響。將設備的電源按指定的順序連接到電源定序器上，并設置設備的開(kāi)機順序，以便在設備開(kāi)關(guān)機時(shí)直接對電源定序器進(jìn)行開(kāi)關(guān)，以確保手術(shù)。

Reverse operation during shutdown. When there is no power sequencer, use the above power on and power off sequence. If a power sequencer is added, the influence of instantaneous current must be considered when connecting the power supply of the equipment. Connect the power supply of the equipment to the power sequencer in the specified order, and set the startup sequence of the equipment, so that the power sequencer can be directly switched on and off when the equipment is switched on and off, so as to ensure safe operation.

另外，一般情況下，即使經(jīng)過(guò)嚴格調試，也不能避免故障的發(fā)生。要在日常工作中不斷總結經(jīng)驗，經(jīng)常分析失敗的原因，這樣才能保證音響設備的正常運行，保證會(huì )議的順利進(jìn)行。故障如：

In addition, in general, even after strict debugging, the failure cannot be avoided. We should constantly sum up experience in daily work and often analyze the reasons for failure, so as to ensure the normal operation of audio equipment and the smooth progress of the meeting. Faults such as:

大型會(huì )議，如大型會(huì )場(chǎng)，需要配備多臺音箱，需要分別輸出高、中、低音，以及監聽(tīng)音箱、監聽(tīng)音箱等。如果設備的輸出端口不能滿(mǎn)足需求，需要一個(gè)音頻分配器將不同的信號分配給不同功能的功放，并一一調整。方法是調整一對時(shí)關(guān)閉其他揚聲器，等調整到位后再調整其他揚聲器。

Large conferences, such as large venues, need to be equipped with multiple speakers, which need to output high, medium and low tones, as well as monitor speakers, monitor speakers, etc. If the output port of the device cannot meet the demand, an audio distributor is needed to distribute different signals to different functional amplifiers and adjust them one by one. The method is to turn off other speakers when adjusting a pair, and then adjust other speakers after the adjustment is in place.

連接器和連接線(xiàn)是經(jīng)常引起故障的主要因素之一。聲音有時(shí)不存在或嘈雜，這通常會(huì )導致表演失敗。事實(shí)上，這種故障很容易。演出前檢查設備時(shí)，要檢查所有線(xiàn)路，并用萬(wàn)用表一一測量其通斷情況。發(fā)現問(wèn)題及時(shí)處理，并預留常用連接線(xiàn)和適配器。

Connectors and connecting wires are one of the main factors that often cause failures. Sometimes the sound is absent or noisy, which usually leads to performance failure. In fact, this kind of fault is easy to eliminate. When checking the equipment before the performance, check all lines and measure the connection and disconnection of them one by one with a multimeter. If problems are found, handle them in time, and reserve common connecting lines and adapters.

當主聲道出現故障無(wú)法播放時(shí)，可將監聽(tīng)音箱旋轉到合適的角度臨時(shí)更換主聲道，以便會(huì )議繼續進(jìn)行。用于講話(huà)的麥克風(fēng)應該有備份，當麥克風(fēng)靜音時(shí)可以用備份代替。DVD播放器也應該有備份，當DVD播放器出現故障時(shí)可以更換。

When the main channel fails and cannot be played, the monitoring speaker can be rotated to an appropriate angle to temporarily replace the main channel so that the meeting can continue. The microphone used for speech should have a backup. When the microphone is silent, it can be replaced by a backup. The DVD player should also have a backup, which can be replaced when the DVD player fails.

總之，音響設備在會(huì )議的正常召開(kāi)中扮演著(zhù)重要的角色。如何對這些設備進(jìn)行管理和維護，使其更有利于會(huì )議活動(dòng)的開(kāi)展，是設備維護人員的一項重要任務(wù)。更多相關(guān)內容，請訪(fǎng)問(wèn)我們的網(wǎng)站http://m.djfrj.net.cn！

In short, sound equipment plays an important role in the normal holding of the meeting. How to manage and maintain these equipment to make it more conducive to the implementation of conference activities is an important task for equipment maintenance personnel. For more information, please visit our website http://m.djfrj.net.cn ！