The phrase "alarm notes" is correct and usable in written English.
It can be used in contexts where you are referring to notes or messages that serve as warnings or alerts, often in a technical or organizational setting.
Example: "The system generated alarm notes to notify the team of any critical issues that needed immediate attention."
Alternatives: "warning messages" or "alert notifications."
Alarm notes alert other individuals to the presence of danger; in fact, the American robin (and probably many other species) uses one note when it sees a hawk overhead and another when it sees a predator on the ground.
A prescalar of 64 was used on Timer0 to generate the correct frequencies for the alarm notes.
A variety of songs, contact calls, and alarm notes are known for most species, some melodious and many harsh and discordant.
The repertoire of most species includes alarm notes, food calls, "crowing" by males to advertise territories, and notes used to maintain social groups.
When the story approaches the most famous moment, with Clytemnestra ushering her husband, Agamemnon, onto the red and purple carpet that will lead him to the bath (where she will kill him), he no sooner steps onto it than, as alarm notes sound in Halim El Dabh's score, Hades enters and follows in his footsteps.
Was that alarm note in response to my human presence?
Mrs. Bachmann sounded the alarm, noting that Mr. Paul seemed to be suggesting that Mr. Obama should not have authorized the killing of Osama bin Laden.
A recent report by the Organization for Economic Cooperation and Development sounded an alarm, noting that multinationals are using "more aggressive" tactics to reduce their taxes.
Health officials stressed that they were calling for vigilance, not alarm, noting that only a tiny minority of the people infected become ill enough to require medical care, and most of those who are treated recover.
"didit": [Macaulay Library 7209] Skutch (1969) described this as the "alarm note or scold," transcribed as "wittit wittit wittit wittit". Willis and Oniki called this "chipping," and transcribed it as "quit-it". Willis and Oniki describe another vocalization as "rattle" (transcribed as "di'i'i'i'i'i'").
Other calls include "a squeaky, high, thin tseet, often repeated 2-3 times [and] a high-pitched, thin chip or pit, sometimes repeated incessantly" (Costa Rica; Stiles and Skutch 1989); a schip alarm note (eastern Colombia; Hilty and Brown 1986); and a "high, sibilant, descending series 'swee-swee-swee-swee' " (Lane, in Schulenberg et al. 2007).
