An output level meter lets you adjust the output level to not exceed 0 dB.

输出水平公尺让你调整输出水平不超过0个分贝。

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The noise of system with 1 meter distance could be below 70 dB, satisfy the lab working area requirement.

距离 1 米处可听噪声不超过 70 分贝，满足试验室现场要求。

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If a power meter and power sensor has a 1-mhz video bandwidth, it will act as a typical low pass filter with a 3-db rolloff point at 1 MHz.

如果功率计和功率传感器拥有1 M Hz的视频带宽，他将扮演一个- 3db截止点为1mhz的典型低通滤波器。

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