The phrase "alarm indicates" is correct and usable in written English.
It can be used when describing what an alarm is signaling or alerting about, often in contexts related to safety, security, or monitoring systems.
Example: "The alarm indicates a potential breach in the security system, prompting an immediate investigation."
Alternatives: "alarm signals" or "alarm alerts".
A recent survey of college students conducted by FIRE (the very group that has done the most to raise the alarm) indicates that the vast majority of students, including conservatives, feel relatively uninhibited in expressing their views.
False alarm indicates an empty channel detected busy, and the ratio is the number of false alarms to the number of total attempts.
Here, 'failed alarm' means that the system does not issue a warning when it should, and 'false alarm' indicates that the system issues a warning when it is not supposed to.
After the BZ took effect, they triggered an alarm indicating a chemical attack.
At a Wisconsin airfield the wrong alarm - indicating that a nuclear war had begun - rang.
The alarm indicated that a transformer at Hurst was "in distress and could fail, potentially with significant safety and environmental impacts".
After the alarm indicated the possible presence of explosives, the traveler simply picked up the computer, walked into the crowded terminal and disappeared.
TSA spokeswoman Lisa Farbstein said the black, hard-sided suitcase was in a checked-baggage area on Tuesday when an unknown-contents alarm indicated an officer should inspect the case.
On the day of the shooting, Mr. Campos had been dispatched to the 32nd floor to investigate an alarm indicating that a room door was ajar, according to police officials.
The water supply to the residential rooms of the White House was cut off today after an alarm indicated the water had no chlorine in it, but President Reagan got his morning coffee anyway, using bottled water.
Captain Renslow was at the controls, and when an alarm indicated that the plane was about to fall because of its slow speed, he appears to have pulled back on the control yoke when he should have pushed it forward.
