proximity alarm

We've clearly set off every proximity alarm on the base by now.

Before he could think of a response, the ship's proximity alarm went off.

I set the proximity alarm at 250ft and make this check when it goes off.

At that moment, the proximity alarm went off again.

Then, suddenly, the proximity alarm went off, almost sending me straight up through the hull.

That was when the proximity alarm went off again, and Gabriel's head snapped up.

All was quiet until the proximity alarm went off!

No, but they DO have a satellite with a proximity alarm!

Dinosaur proximity alarms begin to sound, warning of a Class-4 danger ahead.

A proximity alarm went off, signaling that another vessel had entered the system.

Who decided to take on an obvious corporate custom job whose proximity alarm just happened to fail?

They were barely out of his mouth when a proximity alarm went off on the helm console.

His proximity alarms went wild, then dead as their circuits overloaded.

It's set to trigger a proximity alarm for anything bigger than a micrometeorite.

I wondered why, and then I realized: there must be proximity alarms.

The ground proximity alarm sounded and the first officer checked his altimeter.

I'm beginning to wonder if she'll ever -' Then the proximity alarm flashed red.

Suddenly the proximity alarms on the runabout went off.

Bridge temperature is still rising, and all proximity alarms are quiescent.

Proximity alarms blared, and he jerked the wheel to return to his track.

Since the proximity alarm had failed on him, he'd taken to parking out in the open where the security cameras could see him.

Proximity alarms exploded into life all around me.

He was still fighting his temper when the ship's proximity alarm started clanging overhead.

The keening wail of a proximity alarm pierced the air at almost the same moment.