Get me the radio stuff out of my suitcase and I'll make the emergency signal.
"Can we at least try rigging up an emergency signal?"
"You think we should respond to that emergency signal we've been picking up?"
The emergency signal kicked in almost at the same moment.
I've sent the emergency signal to those who've been our eyes and ears Outside.
But we'll save you some time and call in an emergency signal.
I only used the emergency signal because of its higher gain.
"Did you hear how loud the emergency signal was the moment we came out of the barn?"
This was an emergency signal; she had never seen it before on a field expedition.
An emergency signal sent only short-range made no sense at all.
He pressed the red alarm signal to see if it was on or off.
An alarm signal on the space station always meant danger.
"This is again an alarm signal for the free world to understand what terror means."
But despite the alarm signals, people have continued to borrow.
Suddenly, an alarm signal began to flash on the panel.
A single boat that couldn't identify itself would trigger every alarm signal on board the other.
Manual call point is used to initiate an alarm signal.
A simple alarm signal should light on their big board.
He'll be ready the next time the alarm signal lights up.
The knowledge was at once a gladness and an alarm signal.