On all AIPs 320RH:
-
the PA ALL IN USE message goes off.
R **ON A/C 001-049, 101-149, 201-299, 401-499,
 Subtask 23-73-00-710-177
 D. Do the test of the automatic high-volume announcement. NOTE : On all the emergency oxygen-containers set the door stops to the
____
 test position.
 NOTE : Do not hold the MASK MAN ON pushbutton switch for more than 30
____ sec., because the FAULT indication light in the TMR RESET pushbutton switch comes on after 30 sec. 
R 1EFF : 001-049, 101-149, 201-299, 401-499, 1 23-73-00Page B547 1 1 Aug 01/05 1 1 1CES 1
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ACTION RESULT -------------------------------------------------------------------------------
1. At the FWD attendant station:  At the FWD attendant station: 
 - lift the handset from the cradle. - a tone is heard in the handset. 
 On the FWD Attendant Indication Panel (AIP) 320RH: 
 - the number symbol comes on. 
 2. On the handset: 
 - push the PA ALL pushbutton switch. - 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: 
 - push and hold the PTT and the PA ALL pushbutton switch.  - a tone is heard through theloudspeakers.
 NOTE : Before you start the next test step make sure that all emergency
____
 oxygen-container door-stops are in the test position.
 3.
 In the cockpit, on C/B panel 49VU:
 - open the C/Bs 2WR, 3WR, 4WR,
 5WR and 6WR.
 4.
 In the cockpit, on overhead panel  In the cabin: 21VU:
R 1EFF : 001-049, 101-149, 201-299, 401-499, 1 23-73-00Page B548 1 1 Aug 01/05 1 1 1CES 1
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ACTION RESULT -------------------------------------------------------------------------------
-lift the switch guard, push and release the MASK MAN ON pushbutton switch. 
5. In the cockpit, on maintenance panel 50VU:
 -push and release the OXYGEN TMR RESET pushbutton switch. 
6. On the C/B panel 49VU:
 - open the C/B 2KS2. 
-close the C/B 2KS2. 
7. On the handset: 
-release the PTT and the PA ALL pushbutton switch.
 8. At the FWD attendant station:
 -put the handset back to the cradle. 
9. In the cockpit, on C/B panel 49VU:
 -close the C/Bs 2WR, 3WR, 4WR, 5WR and 6WR. 
-
the doors of the emergency oxygencontainers (circuit breaker 7WRrelated) open to the test position.
In the cabin, all lavatories and both AFT attendant stations:
 -
the volume of the tone through the loudspeakers increases.
-
the volume of the tone through theloudspeakers decreases to the normal level.
-
the volume of the tone through the loudspeakers increases.
-
the volume of the tone through the loudspeakers decreases to the normal level.
In the cabin, all lavatories and both AFT attendant stations:
-
the tone stops.
All indications and annunciations arecancelled.
R 1EFF : 001-049, 101-149, 201-299, 401-499, 1 23-73-00Page B549 1 1 Aug 01/05 1 1 1CES 1 **ON A/C 051-099,
 Subtask 23-73-00-710-177-B
 D. Do the test of the automatic high-volume announcement. NOTE : On all the emergency oxygen-containers set the door stops to the
____
 test position.
 NOTE : Do not hold the MASK MAN ON pushbutton switch for more than 30
____ sec., because the FAULT indication light in the TMR RESET pushbutton switch comes on after 30 sec.
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
 
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