In the handset:
 -a tone is heard.
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ACTION RESULT -------------------------------------------------------------------------------
2. On the handset: On the FWD AIP 320RH:

 -
push the PA ALL pushbutton switch.

 -
push the PTT and speak into the handset.

3. In the cockpit:
 -lift the handset from the
 cradle.

 4. On the handset:
-push the PTT and speak into the handset during the announcement from the FWD attendant station.
 5. At the FWD attendant station:
-put the handset back to the cradle.
 6. On the Capt audio selector panel:
-
the number symbol goes off.

 -
the PA ALL message comes on. On the AFT AIPs 320RH:

 -
the PA ALL IN USE message comes on. In the handset:

 -
the tone stops.

 In the cabin, all lavatories and both AFT attendant stations:

-
the announcement is heard from theloudspeakers.

In the cabin, all lavatories and all attendant stations:
- only the cockpit handset announcementis heard from the loudspeakers.
 On the FWD AIP 320RH:
 -
the messages PA ALL IN USE and WAIT come on.

On the FWD AIP 320RH:

-
the WAIT and PA ALL messages go off.

On the Capt audio selector panel:
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ACTION RESULT -------------------------------------------------------------------------------
-push and hold the PA pushbutton switch.
7. In the cockpit on the hand microphone:
-push the PTT and speak into the hand microphone during the announcements from the cockpit.
8. On the Capt audio selector panel:
-release the PA pushbutton
switch.

9. In the cockpit:
-put the handset and the hand microphone back to their cradles.
 **ON A/C 051-099,
 Subtask 23-73-00-710-065-C
-the PA pushbutton integral lightcomes on.
In the cabin, all lavatories and allattendant stations:
- only the cockpit hand microphoneannouncement is heard from theloudspeakers.
On the Capt audio selector panel:
-
the PA pushbutton-switch integrallight goes off.

On all AIPs 320RH:

-
the PA ALL IN USE message goes off.

 B. Do the test of the PA announcement from the cabin.
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1. On the main instrument panel 301VU:
 -turn the LOUDSPEAKER rotary knob fully cw.
 2. On the Capt audio selector panel:
-push and turn the PA rotary knob fully cw.
3. At the FWD attendant station: On the Capt audio selector panel:
-the PA rotary-knob integral lightcomes on.
At the FWD AIP 320RH:
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ACTION RESULT -------------------------------------------------------------------------------
- lift the handset from the cradle. - the number symbol comes on.
 In the handset:
 - a tone is heard.
 4. On the handset:  In the handset:
 - push the PA ALL pushbutton switch. - the tone stops.
 At the FWD AIP 320RH:
 - the number symbol goes off.
 - the PA ALL message comes on.
 On both AFT AIPs 320RH:
 - the PA ALL IN USE message comes on.
 In the cabin , all lavatories and both AFT attendant stations:
 - 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.
 5. At the FWD attendant station:
 - release the PTT pushbutton switch and put the handset back to the cradle. All annunciations are cancelled.
 6. At the AFT LH attendant station:  In the handset:

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ACTION RESULT -------------------------------------------------------------------------------
　
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