LED 指示灯

LED 指示灯可用于监视系统运行和标识一般问题。

电源:绿色,在桥接 (BRDG) 和并行 (PAR) 指示灯上方。 正常指示:交流电源开:LED 点亮。

如果没有显示:检查交流电源线和交流插座。确认数据埠 1-2 未将放 大器置于 ‘待机’模式。

削波:红色,靠近通道编号标记。

正常指示:当放大器超出满功率驱动时会闪亮。失真结果与 LED 的亮 度对应。短暂闪烁对应的失真几乎感觉不到。

-在静音状态下,LED 完全闪亮。当处于正常的 “开 - 关”静音下会 发生此种情况。

异常显示:

-如果放大器正在使用时发出明亮红光,说明是热静音或是短路输出。

-如果放大器过热,风扇会全速运转,运行会在一分钟内重新开始。让 风扇运转,确保放大器有足够的通风。

-短路或过载输出电路会造成过度的削波闪烁和可能过热。

如果可以感觉到失真,而没有出现削波指示,问题可能发生在放大器 之前或之后。检查是否有损坏的扩音器或超载信号源。放大器增益控 制应该在此范围的上半段以防输入过载。

信号, -20dB, -10dB:绿色,在各削波 LED 的下方。

正常指示:如果输入信号超出 -35dB,则信号指示灯亮,如果信号超

-20dB,则 -20dB 指示灯亮,如果信号超过 -10dB,则 -10dB 指示 灯亮。

如果没有指示:检查增益设置,如果需要可增大增益。检查输入端连 接和信号的音频源。如果削波 LED 闪亮只有很少或没有信号显示,检 查输出线是否短路。

异常显示:如果在没有信号时信号 (SIG)、-20dB-10dB LED 亮 起,可能是由系统波动或其它故障造成的。断开负载,大幅度降低增 益。如果 LED 仍然亮着,放大器可能需要进行维修。

桥接和并行模式:

桥接模式下,每个通道对都有一个黄色 LED,并行模式下则为橙色 LED。显示如何设置后面板切换器 (见设置模式切换器)。在立体声模 式下,两个 LED 都应该是关闭的。

双通道型号上的 LED 指示灯。

四通道型号上的 LED 指示灯。

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QSC Audio CX702, CX602V, CX404, CX902, CX204V, CX1102, CX1202V, CX302V, CX254, CX502 user manual Led 指示灯, 异常显示:

CX302, CX1202V, CX502, CX702, CX1102 specifications

QSC Audio has established itself as a leader in professional audio solutions, and their CX series amplifiers, including the CX204V, CX254, and CX404, stand out for their performance and versatility. These amplifiers are specifically designed to meet the needs of commercial audio applications, such as in venues, corporate environments, and educational institutions.

The CX204V is a 2-channel amplifier that delivers 200 watts per channel at 4 ohms, making it ideal for smaller venues or installations that require high-quality audio without overwhelming power. One of its key features is the inclusion of built-in DSP (Digital Signal Processing) capabilities, allowing users to optimize their sound with advanced filtering and equalization options. Additionally, the amplifier supports a range of input options, including balanced XLR and 1/4-inch connectors, providing flexibility for various audio setups.

Moving to the CX254, this 2-channel amplifier boosts power output to 250 watts per channel at 4 ohms, making it suitable for larger spaces that necessitate a bit more oomph. The CX254 also includes QSC’s Power Factor Correction technology, which ensures efficient power usage and greater amplification performance, even during demanding situations. Furthermore, it features RS-232 control capabilities, providing users with remote operation options and making integration into existing audio systems seamless.

The CX404 takes things a step further with its 4-channel configuration, delivering 200 watts per channel at 4 ohms. This amplifier is particularly well-suited for multi-zone applications where audio needs to be distributed across various areas. With its advanced overheating protection and short-circuit protection features, the CX404 is built for durability and reliability, ensuring consistent performance without the risk of damage during extended use.

All three amplifiers in the CX series include QSC's innovative Class D topology, offering lightweight and compact design without sacrificing power or audio quality. The CX series is also distinguished by its robust construction, including a rugged chassis designed to withstand the rigors of installation and performance use.

In summary, the QSC Audio CX204V, CX254, and CX404 seamlessly combine power, efficiency, and versatility, making them ideal choices for a variety of commercial audio applications. Their built-in technologies, advanced features, and solid construction emphasize QSC’s commitment to delivering exceptional sound experiences.