Usage of "key the microphone"

Encara no tenim significats per a "key the microphone".

Ús de key the microphone en anglès

He had bowed toward the radio a moment before keying the microphone. 
 Sacrifice 

I keyed the microphone and said in a calm cool voice: 
 Beyond exile: day by day armageddon 

I keyed the microphone, asking for the station calling to repeat. 
 Beyond exile: day by day armageddon 

I keyed the microphone and said (to the best of my recollection): 
 Beyond exile: day by day armageddon 

Agamemnon took a breath and then keyed the microphone again. 
 Sacrifice 

I keyed the microphone: "H23, this is Navy One, over." John came back. 
 Beyond exile: day by day armageddon 

He picked up a radio and keyed the microphone. 
 Inferno 

Agamemnon was about to disconnect when he thought better of it and keyed the microphone again. 
 Sacrifice 

He leaned forward and keyed the microphone again. 
 Sacrifice 

The pre-ignition checklist complete, Quinn keyed the microphone. 
 Genellan: planetfall 

Agamemnon keyed the microphone a final time. 
 Sacrifice 

He exhaled and keyed the microphone again. 
 Book Three: The Final Exodus 

Agamemnon keyed the microphone again. 
 Sacrifice 

He keyed the microphone. 
 Sacrifice 

I keyed the microphone. 
 Rivers of London 

He crooked his left ring finger so that the surgically redirected nerve impulse keyed the microphone implanted at the base of his jaw. 
 Dogs of war 

Significats de key the microphone en anglès