If they detect something wrong while the system is armed, they'll transmit a wireless alert signal to a base station that will then raise the alarm.

如果他们在系统布防时发现了什么问题，就会向基站发送无线警报信号，然后基站会发出警报。

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Soon, he or she receives an alert stating that the (now correct) field is wrong.

过了一会儿，他收到警告，指出这个字段是错误；但是，实际上这个字段现在是正确的。

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They therefore may not be able to raise an alarm or alert others to the fact that something is wrong.

因此，他们可能无法提出一个警报或一个事实，即别人的东西是错误的警报。

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"It would be completely wrong not to alert people well in advance that there is a possibility that their benefit entitlement may change, " a spokesman said.

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If someone makes a wrong turn, Project Glass would alert the wayward player of this mistake with a visual or audio cue.

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Perhaps as a condition of direct-to-consumer advertising, drug companies should have to set aside some funds to pay for advertisements that would alert consumers when something goes wrong.

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