1756-OB32
1756-OB32
DU 测量方法：
当 PC 或CCU命令对喇叭作测试动作时，I-7012F 输出，CCU电源驱动Power Relay x1将PA 线路切换到测量回路，开始测量R2 上的电压的变化量，进而计算出喇叭阻抗的变化，以判断喇叭是否正常。测量线路示意图如下。
图6 测量线路示意图
1756-OB32
联系人：小杨
电话：
电话：
传真：
QQ:1878187406
邮箱：1878187406@qq.com
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