Which of these statements best describes the meaning of the phrase `Standby` ?

Question

Domanda PPL(A) - Licenza Pilota Privato (Aerei) - Comunicazioni in inglese

QuizVDS · Accepted Answer

Wait and I will call you

QuizVDS · Answer

Continue on present heading and listen out

QuizVDS · Answer

Select STANDBY on the SSR transponder

QuizVDS · Answer

Permission granted for action proposed

Id 51 - ppl(A) - Which of these statements best describes the meaning of the phrase `Standby` ?