-
push the line key adjacent to the RETURN indication.

3. On the ADIRS CDU:
 -
push the ADR2 pushbutton switch.

-
push the ADR1 pushbutton switch.

4. On the MCDU:
R - push the line key adjacent to
R  the ADR2 indication. Do the same test as specified in the para 2 and 3.
 5. On the ADIRS CDU:
 -push the ADR3 pushbutton switch.
-the ADR1 INTERFACE TEST 2/2 page comes into view.
From 0 to 10 seconds, ignore thewarnings and indications. From 10 seconds and more, on the CAPT(F/O) PFD, the speed increases to
 367.7 Kts. When the value is 354 Kts:
 - on the upper ECAM display unit, this indication is shown: OVERSPEED VMO/MMO 350/.82
 -On the panels 130VU and 131VU, the MASTER WARN lights flash.
 -You can hear the continuous repetitive chime aural warning.
The test procedure stops.The warnings above stop.
The SYSTEM REPORT/TEST/NAV page comesinto view.
-
the OFF legend of the ADR2 pushbuttonswitch goes off.

-
the OFF legend of the ADR1 pushbuttonswitch comes on.

Same results on the F/O PFD.
On the ADIRS CDU, the OFF legend of theADR3 pushbutton switch goes off.
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ACTION RESULT -------------------------------------------------------------------------------
6. On the SWITCHING panel 8VU: - set the AIR DATA selector switch to CAPT/3.  On the CAPT PFD, the speed and altitudeindications from the ADR3 come intoview.
 7. On the ADIRS CDU:
 - push the ADR2 pushbutton switch.  On the ADIRS CDU, the OFF legend of theADR2 pushbutton switch comes on.
 8. On the MCDU:
 - push the line key adjacent to the ADR3 indication. Do the same test as specified in the para 2 and 3. Same results on the CAPT PFD.
 9. On the ADIRS CDU:
R  - push the ADR1 and ADR2 pushbutton switches  On the ADIRS CDU, the OFF legend of theADR1 and ADR2 pushbutton switches goes off. 
10. On the SWITCHING panel 8VU: - set the AIR DATA selector switch to NORM.
 Subtask 34-13-00-710-052

 B. OVERSPEED Warning VMO/MMO 2 (L/G DOWN VMO/MMO SELECTION Switch 22FP at L/G DOWN)
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. In the avionics compartment, on the panel 188VU:
 -remove the lockwire from the
 safety cover of the L/G DOWN
 VMO/MMO SELECTION switch.

 -set the switch to L/G DOWN.
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ACTION RESULT -------------------------------------------------------------------------------
2. In the cockpit on the overhead R panel, on the ADIRS CDU:
 -push the ADR2 and ADR3 pushbutton switches.
3. On the MCDU:
-
push the line key adjacent to the ADR1 indication.

 -
push the line key adjacent to the OUTPUT TESTS indication.

-
push the line key adjacent to the INTERFACE TEST indication.

- on the keyboard push the NEXT PAGE function key.

-
push the line key adjacent to the START TEST indication. (Ref. TASK 34-13-00-740-002).

-
push the line key adjacent to the RETURN indication.

-
push the line key adjacent to the RETURN indication.

4. On the ADIRS CDU:
-push the ADR2 pushbutton switch On the ADIRS CDU:
-
the OFF legend of the ADR2 and ADR3pushbutton switches comes on.

On the MCDU:

-
the ADR1 page comes into view.

-
the ADR1 OUTPUT TESTS page comes intoview.

-
the ADR1 INTERFACE TEST 1/2 pagecomes into view.

-
the ADR1 INTERFACE TEST 2/2 pagecomes into view.

From 0 to 10 seconds, ignore thewarnings and indications.From 10 seconds and more, on the CAPT(F/O) PFD, the speed increases to
 367.7 Kts. When the value is 239Kts:
 - on the upper ECAM display unit, this indication is shown: OVERSPEED VMO/MMO 235/.60
 - on the panels 130VU and 131VU, the MASTER WARN lights flash.
 -you can hear the continuous repetitive chime aural warning.
The test procedure stops.The warnings above stop.
The SYSTEM REPORT/TEST/NAV page comesinto view.
On the ADIRS CDU:
-the OFF legend of the ADR2 pushbutton switch goes off.
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