In Singapore, every car is fitted with a digital transponder that triggers automatic tollbooths as it passes.

在新加坡，每辆轿车上都装有一台在通过时自动触发过路收费亭的数字式异频雷达收发机。

Remove the transponder, if it is installed.

如果安装了应答器，则取下应答器。

The transponder automatically sends out a signal.

发射机应答器便会自动发出信号。

Could you give me another transponder squawk please.

请你给我另一个应答机编码。

I still unable receive your transponder, report reaching FL150.

我仍然收不到你的应答机，到达高度层150报告。