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ACTION RESULT -------------------------------------------------------------------------------
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 FWD ATTND handset:
-release the PTT and the PA ALL pushbutton switch.
 8. At the FWD ATTND 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.
In the cabin, all lavatories and at the MID, EXIT and AFT ATTND 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 at the MID, EXIT and AFT ATTND stations:

-
the tone stops.

-All indications and annunciations arecancelled.
R 1EFF : 301-399, 1 23-73-00Page B585 1 1 Aug 01/05 1 1 1CES 1 Subtask 23-73-00-710-322

 F. Test of the PA monitoring function in the cockpit
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
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 to the right-stop.
3. In the cockpit:
 -lift the handset from the
 cradle.

 4. At the FWD ATTND station:
-lift the handset from the
cradle.

 5. On the FWD ATTND handset:
 -push and hold the PTT and do an announcement.
On the CAPT audio selector panel:
-the integral light of the PArotary-knob comes on.
On the FWD ATTND handset:
-a dial tone is heard.
 On the FWD AIP 320RH:
 -
the number symbol comes on.

-
the number symbol goes off.

 -
the message DIRECT PA comes on. In the cabin:

 -
the announcement is heard from the loudspeakers.

 NOTE : All additional aural and visual
____ indications in the cabin are not
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ACTION RESULT -------------------------------------------------------------------------------
6. At the FWD ATTND station:
-release the PTT and put the handset back into its cradle.
 7. In the cockpit:
 -put the handset back into its cradle.
 5. Close-up
________ Subtask 23-73-00-860-118
 relevant for this test and can be ignored.
 In the cockpit:
 -
the annoncement is heard from the loudspeakers.

 -
the annoncement is heard in the handset.

In the cabin:
-All indications are cancelled.
 A. Put the aircraft back to its initial configuration.
 (1)
 On the emergency containers set the door-stops to the normal position.

 (2)
 Make sure that the switch guard is in position on the MASK MAN ON pushbutton switch.

 (3)
 Disconnect the headset from the CAPT Station.

 (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 23-73-00-710-007
 Operational Test of the Passenger Call System

 1.
 Reason for the Job

__________________
 To make sure that the Passenger Call System operates correctly.

 2.
 Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002  Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power
　
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