在发送方向，收发信机向功率放大器提供射频信号，功率放大器根据给定调制类型的增益和斜坡信息对信号进行放大。
In the transmit direction, the transceiver provides RF signals to the power amplifier, which amplifies the signals based on gain and ramp information for a given modulation type.
在人工控制应用中，发信机通过将发射机选择信号发送到适当的信道比选模块上来决定使用哪一台发射机进行应答。
In manually controlled applications, the dispatcher decides which transmitter site to use for reply by issuing a transmit Select signal to the proper site Voter Module.
而且，可以发送增益值，它可用来控制在8-PSK操作期间的收发信机中的可变增益放大器（VGA）。
Furthermore, a gain value may be sent which may be used to control a variable gain amplifier (VGA) within the transceiver during 8-PSK operation.
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