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 21VU:
-lift the switch guard, push and release the MASK MAN ON pushbutton switch.
5.
In the cockpit, on maintenance panel 50VU:
In the cabin:
-
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.
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ACTION RESULT -------------------------------------------------------------------------------
- push and release the OXYGEN TMR - the volume of the tone through the
RESET pushbutton switch. loudspeakers decreases to the normal
level.
6. On the C/B panel 49VU:
- open the C/B 2KS2. - the volume of the tone through the
loudspeakers increases.
- close the C/B 2KS2. - the volume of the tone through the
loudspeakers decreases to the normal
level.
7. On the handset: In the cabin, all lavatories and both
AFT attendant stations:
- release the PTT and the PA - the tone stops.
pushbutton switch.
8. At the FWD attendant station:
- put the handset back to the All indications and annunciations are
cradle. cancelled.
9. In the cockpit, on C/B panel
49VU:
- close the C/Bs 2WR, 3WR, 4WR,
5WR and 6WR.
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R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 23-73-00-710-178
E. Do the test of the automatic low-volume announcement at the FWD attendant station.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
NOTE : You can ignore all CIDS related visual and acoustical indications
____ in the cabin that are not given here. They are not important for
this test.
1. In the cabin:
-close the cockpit door.
2. In the cockpit:
-lift the handset from the cradle.
3. On the cockpit handset:
-push and hold the PTT pushbutton switch to do an announcement.
4.
In the cabin:
- open the cockpit door during the announcement from the cockpit handset.
5.
In the cabin:
-close the cockpit door during the announcement from the cockpit handset.
6.
In the cockpit:
In the cabin, all lavatories and all attendant stations:
-
the announcement is heard from theloudspeakers.
At the FWD attendant station:
-
the announcement volume decreases toa lower level.
At the FWD attendant station:
-
the announcement volume increases toa normal level.
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ACTION RESULT -------------------------------------------------------------------------------
-put the handset back to the
cradle.
5. Close-up
________ Subtask 23-73-00-860-105
A. Put the aircraft back to its initial configuration.
(1)
Push the doors of the emergency oxygen containers to the closed position until they engage.
(2)
On the emergency oxygen containers set the door stops to the normal position.
(3)
Make sure that the circuit breakers 1WR, 2WR, 3WR and 7WR are closed.
(4)
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 3JH1, 2JH1, 3JH2, 2JH2
(5)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002)
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TASK 23-73-00-710-022 Operational Test of the Passenger Address (PA) System
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
