Audio Control Panel

Question 1

AUDIO CONTROL PANEL

Q:​ What methods would​ the​ crew utilize to make​ a PA announcement?​ ​

Answer 1

Ref: (FOM VOL. III-DSC-23-20-40)​ ​ ​ ​

• Pressing the​ PA switch on the​ ACP and​ using​ the​ boom,​ hand,​ or mask​ microphone,​ or​ ​
• The​ flight deck​ handset dedicated to the​ PA system​ only

Question 2

AUDIO CONTROL PANEL

Q:​ What does​ the​ illumination of​ the CALL​ light on the​ VHF transmission keys​ indicate?​ ​

Answer 2

Ref: (FOM VOL. III-DSC-23-20-20)​ ​

The​ SELCAL​ system detects​ a call​