I wondered if the police had used Boulder's reverse 911 system to alert the neighbors.

If the codes do not match, the system will alert the staff.

The system alerted me that he had left the room.

If a pattern changed - perhaps because of a sudden weakness in gait - the system could alert friends or family living elsewhere.

If it is more, the system will alert the user, who can then manually authorize a payment.

When a match was found, the system would alert the buyer and then send information like photographs, video or audio descriptions of the property.

We need a range of services to protect our children and an early-warning system to alert us to potential dangers.

The system is very, very sensitive and will alert us to any possibilities.

But he said electronic signs or public-address systems in those areas will alert passengers when a train is about to pull into the station.

If the temperature in the house drops below a certain level, the system will alert the owner with a phone call.