根据后句Change the batteries at least once a year.You should use the test button each month to see if the alarm and batteries are still working.每年至少更换一次电池,每月使用测试按钮查看报警器和电池是否仍在工作,可知结合选项,应说烟雾报警器只有在正常工作时才有用。所以"C. ...
A beeping smoke alarm gets on your nerves quickly, but that noisy alarm may be trying to tell you something. Smoke alarms often beep or chirp when something isn't right. The issue could be anything from a dying battery to a malfunction in the alarm's components. It's even more frustrati...
Use a Smoke Alarm with a Hush Feature:Some alarms have a hush option meant especially tomute alerts set off by steam or cooking without entirely disabling thealarm. Regular Maintenance:Clean your alarms often and change batteries as necessary to guaranteethey run as intended without false triggers...
Today, batteries are all around us. They power our wristwatches for months at a time. They keep our alarm clocks and telephones working, even if the electricity goes out. They run our smoke detectors, electric razors, power drills, mp3 players, thermostats -- and the list goes on. If ...
Do not install smoke detectors near windows, ducts, bathrooms or stoves, as the drafts/steam/cooking smoke could set off a false alarm. Test your smoke detectors once a month by pushing the test alarm button. Change your smoke detector batteries at least once a year. If your smoke detector...
Smoke alarms are often located outside bedroom doors. That means the alert sound needs to be loud enough to go through doors and wake up sleeping people in case of a fire at night. Alarms should also have a low-battery notification function that makes a repetitive beep when the battery pow...
4Change the batteries at least once a year. You should use the test button each month to see if the alarm and batteries are still working. A smoke alarm lasts about ten years. You should change it after using it for ten years. About two out of three fire deaths happens in homes with...
If your car alarm keeps going off even though you pressed the "unlock" button, check to see if the door locks respond; if they don't, you may need to replace your key's batteries. In most systems, the brain will flash the lights and tap the horn when you arm and disarm your car...
√ Test smoke alarms every month. If they’re not working, change the batteries(电池). √ Talk with all family members about a fire escape plan and practice the plan twice a year. √ If a fire occurs in your home, GET OUT, STAY OUT and CALL FOR HELP. Never go back inside for...
During this initial walk-through, he takes immediate note of details that will change with time: What's the weather like? What time of day of day is it? He describes any notable smells (gas? decomposition?), sounds (water dripping? smoke alarm beeping?), and anything that seems to be ...