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ACTION RESULT -------------------------------------------------------------------------------
- lift the handset from the cradle. - the number symbol comes on.
In the handset:
- a tone is heard.
10. On the handset: In the handset:
- push the PA ALL pushbutton switch. - the tone stops.
On the AFT RH AIP 320RH:
- the number symbol goes off.
- the PA ALL message comes on.
On the FWD and AFT LH AIPs 320RH:
- the PA ALL IN USE message comes on.
In the cabin, all lavatories and the FWD attendant station:
- push and hold the PTT pushbutton switch. - a LO HI LO chime is heard from theloudspeakers.
- speak into the handset. - the announcement is heard from the loudspeakers.
In the cockpit:
- the announcement is heard from the handset and the loudspeaker.
11. At the AFT RH attendant station:
- release the PTT pushbutton switch and put the handset back to the cradle. All annunciations are cancelled.
12. On the Capt audio selector panel: On the Capt audio selector panel:
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ACTION RESULT -------------------------------------------------------------------------------
- push to reset and turn the PA - the PA rotary-knob integral light
rotary knob fully ccw. goes off.
13. On the main instrument panel
301VU:
- turn the LOUDSPEAKER rotary
knob ccw.
Subtask 23-73-00-710-066-C
C. Do the priority test.
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1. At the AFT LH attendant station: On the AFT LH AIP 320RH:
- lift the handset from the cradle. - the number symbol comes on.
In the handset:
- a tone is heard.
2. On the handset: On the AFT LH AIP 320RH:
- push the PA ALL pushbutton switch. - the number symbol goes off.
- the PA ALL message comes on.
On the FWD and AFT RH AIPs 320RH:
- the PA ALL IN USE message comes on.
In the handset:
- the tone stops.
In the cabin, all lavatories and the FWD attendant station:
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ACTION RESULT -------------------------------------------------------------------------------
- push and hold the PTT pushbutton switch. - a LO HI LO chime is heard from theloudspeakers.
- speak into the handset. - the announcement is heard from all loudspeakers.
3. At the FWD attendant station. On the FWD AIP 320RH:
- lift the handset from the cradle. - the number symbol comes on.
In the handset:
- a tone is heard.
4. On the handset: On the FWD AIP 320RH:
- push the PA ALL pushbutton switch. - the number symbol goes off.
- the PA ALL IN USE message goes off.
- the PA ALL message comes on.
On the AFT LH AIP 320RH:
- the WAIT message comes on.
- the PA ALL IN USE message comes on.
In the handset:
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