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3
Calibration
3.3
CalibratingSpeakerLevels
5. Pan the test tone so it only plays in the left speaker (hard left).
6. Turn the Main level knob to Unity Gain by turning it fully clockwise.
7. In the Passive Speaker Control section, locate the Speaker Trim
controls for L/R Output A. Using a flat-head screwdriver, turn the
trim control for the left channel completely counter-clockwise. Next,
slowly turn Speaker Output A's passive control clockwise. You
should begin hearing the test tone playing through your primary
speakers. Increase the level until the SPL meter reads 85 dB. In
most cases, you should not reach 85 dB SPL yet.
8. Beginslowlyincreasingtheinputsensitivity(volume)ofyourprimary
monitoring system's left speaker until the acoustic level of the test tone
reaches85dBSPL.
9. Repeat steps 4 to 8 for the right channel.
10.
If you are calibrating a monitoring system with independent subwoofer
level control (such as a 2.1 or 2-way speaker system), repeat steps 4 to 9 for
the subwoofer level. Repeat steps 1 through 10 for the monitoring systems con-
nected to Speaker Outputs B and C.
11.
Test: Play audio through Speaker A only. Without adjusting any of the Central
Station's levels, toggle Speaker A off and Speaker B on. You may hear a slight tonal
variation due to the different acoustic properties of the monitoring systems, but the loudness
should remain the same. If the loudness varies drastically, you may wish to repeat this
calibration procedure from step 1.
1.将扬声器、主音、提示音和话筒的电平逆时针旋转至 "归零"。
2. 选择TRS1主源和扬声器输出A。
3. 将你的主监听系统（连接到扬声器输出A）的输入电平调到最低设置。
请查阅你的监听系统的用户手册或制造商的网站，了解更多关于调整输入或放大电平的信息。
4. 从信号路径中移除所有的效果处理器（均衡器、压缩器、混响器等），通过你的主要音源输
出播放500赫兹到2.5千赫兹、带宽受限的粉红噪声频率为-20dBFS。如果你正在校准一个超重
低音扬声器，使用40赫兹到80赫兹，带宽限制的粉红噪音。
不应该听到测试音。如果你听到了，请调低扬声器的音量并重复步骤1。
5. 平移测试音，使其只在左边的扬声器中播放（硬左）。
16
Central Station Plus
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