power antenna meaning in English

动力天线

A power antenna without relay box cannot be used with this unit
没有中继盒的电源天线不能和本机一起使用。
The power antenna control lead ( blue ) supplies + 12 v dc when turn on the tuner
当打开调谐器时，电源天线控制导线（蓝色）提供+ 12v直流电源。
It is not necessary to connect this lead if there is no power antenna or antenna booster , or with a manually operated telescopic antenna
如果没有自动天线或天线放大器，或手动的可伸缩天线时，不需要连接此导线。
When your car has built - in fm / am antenna in the rear / side glass , connect the power antenna control lead ( blue ) or the accessory power input lead ( red ) to the power terminal of the existing antenna booster
当您的汽车在后侧玻璃上有内置fm / am天线时，请把电源天线控制导线（蓝色）或辅助电源线（红色）连到现有天线放大器的电源端子上。