The device is manually operated, using a simple handle.

这个装置利用一个简单的手柄，可以用手操作。

《柯林斯英汉双解大词典》

These often rely on the ultrasonic probe being connected to a manually operated scanning arm with the position being encoded.

这些通常根据由手动操作的扫描杆连接的超声波探针和译码器确定的位置来绘制。

youdao

CNC machines are more expensive than manually operated machines, although costs are slowly coming down.

数控机床，虽然目前成本逐渐下降，但还是比普通机床较昂贵。

youdao

San Francisco remains the only place on the planet with a true, manually operated cable-car system serving the public.

NPR: San Francisco Cable Car Accidents Costs Millions

He tried a Verano, he says, but rejected it because the seat recliner was a manually operated, Chevy-style handle, not a smooth power device.

WSJ: Is the 'Near Luxury' Car Buyer Myth or Reality?

The level-crossing nearby is operated manually.

ECONOMIST: Developing giant airships: Big birds | The