当选择自动增益方式时，增益的改变通过增益同步脉冲触发，触发脉冲可由系统内部周期产生或外部提供。

When the former was chosen, the change of gain would come true by the synchro pulse, which was supplied by the cycle inside the system or outside the system.

youdao

当选择自动增益方式时，增益的改变通过增益同步脉冲触发，触发脉冲可由系统内部周期产生或外部提供。

When the former was chosen, the change of gain would come true by the synchro pulse, which was supplied by the cycle inside the system or outside the system.

youdao