3. Job Set-up
__________ Subtask 34-51-00-860-052
A. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2)
Install the DME ground test unit near the DME1 (DME2) antenna. To do this, obey the operating instructions. Set the VOR/DME ground test unit to ON.
(3)
Do the ADIRS start procedure (Ref. TASK 34-10-00-860-002).
(4)
Do the IR alignment procedure
(Ref. TASK 34-10-00-860-004).
(5)
On the EFIS control sections of the FCU, set the mode selector switches to ROSE or ARC.
(6)
On the FCU, set the ADF/VOR selector switches to VOR.
(7)
On the center pedestal, on the RMP1 and RMP2, set the ON/OFF selector switches to ON.
Subtask 34-51-00-865-054
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU NAV/VOR/DME/RMI 12FN F13
Subtask 34-51-00-865-055
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU NAV/DME/1 1SD1 G14 121VU COM NAV/DME/2 1SD2 K06
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4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-105, 151-199,
Subtask 34-51-00-720-050
A. DME Reception and Identification Test
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the RMP1 (RMP2):
-set the VOR/DME1 (VOR/DME2) test frequency of the ground test unit. (Ref. Fig. 501/TASK 34-51-00-991-001)
2. On the panel 49VU (121VU) :
-close the circuit breaker 1SD1 (1SD2).
3.
On the ground test unit, set the IDENT signal on
4.
On the center pedestal, on one ACP:
-push the VOR1 (VOR2) pushbutton switch
-adjust the volume to the volume you need.
-push the ON VOICE pushbutton switch.
On the CAPT and F/O NDs, on the left(right) side:
-
the DME1 (DME2) flag goes out of view
-
the horizontal dashs come into view.
On the VOR/DME RMI, in the left (right) window:
-
the horizontal dashs come into view.
You can hear the identification signalin the loudspeaker.
Do the adjustment slowly andcontinuously .There is no unwanted noise.
The audio signal in the loudspeakerstops.
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-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
5. On the ground test unit:
-
set the IDENT signal off.
-
set a DME1 (DME2) range of 5 NM.
-
set a range of 270 NM.
6.
On the ground test unit, set the IDENT signal on
7.
On the center pedestal, on the ACP:
-release the ON VOICE pushbutton switch.
8.
On the center pedestal, on the ATC control unit:
-
set the AUTO/ON/STBY switch to ON.
-
set the AUTO/ON/STBY switch to STBY.
9.
On the ground test unit, set the IDENT signal off.
On the left (right) side of the CAPTand F/O NDs:
-
the range 5.0 comes into view.
On the VOR/DME RMI, in the left (right) window:
-
the range 5.0 comes into view.
On the ND and the VOR/DME RMI :
-
the range 270.0 comes into view.
You can hear the audio signal in theloudspeaker.
On the CAPT and F/O NDs and the VOR/DMERMI:
-
the DME1 (DME2) indication does not change.
In the loudspeaker :
-
the audio signal does not change.
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Subtask 34-51-00-720-050-A
A. DME Reception and Identification Test
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
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