Answer: attentionplease

AnswerCrossword Clue
ATTENTIONPLEASE

"Listen!"

ATTENTIONPLEASE

"Ahem ..."

ATTENTIONPLEASE

Start of many public announcements

ATTENTIONPLEASE
Start of many announcements
ATTENTIONPLEASE
It may precede some announcements
ATTENTIONPLEASE"Listen up!"
ATTENTIONPLEASETeacher's opening remark to the class.
ATTENTIONPLEASEAnnouncement start