Then she checked her sensors and realized what was happening.

He didn't have to check his sensors to see that there was nothing there to scan.

He checked his suit's sensors again, but there was no trace of movement anywhere in their limited range.

As soon as the hissing stopped, the medical man checked his sensors.

She checked her sensors and found the range was prime.

Checking his sensors, he saw the ship approaching fast.

I was already checking all my sensors to find out what had happened.

Check your sensors and you'll see that the interruption happened in a wide section of space near the wormhole.

O'Brien checked his sensors and jerked his head up at the information.

She wanted to make sure the pilot was checking his sensors, but she didn't have enough energy to lift her head off the window.