(4)
 During software loading, the IN PROG LED stays on and the COMPUTER OK LED is off.

 (5)
 When the loading is completed, the XFER COMP LED comes on.

 (6)
 Remove the PCMCIA card from the Enhanced GPWC.

 (7)
 After approximately 15 seconds, the COMPUTER OK LED comes on to tell the operator that the loading of the PCMCIA card contents is completed.

 (8)
 Close the door on the face of the Enhanced GPWC.
 Subtask 34-48-00-740-053

 B.
 Do the BITE Test of the Enhanced GPWC (Ref. TASK 34-48-00-740-002).
 **ON A/C ALL

 5. Close-up
________ **ON A/C ALL R Post SB 34-1189 For A/C 001-049,051-060,101-104, Subtask 34-48-00-410-053
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the access door 824 (Ref. TASK 52-41-00-410-002).

 (3) Remove the access platform(s).
 Subtask 34-48-00-862-054

 B. De-energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-862-002).

 1EFF : ALL 1 34-48-00Page 304 1 1 May 01/05 1 1 1CES 1 GROUND PROXIMITY WARNING SYSTEM (GPWS) - ADJUSTMENT/TEST

________________________________________________________ R **ON A/C 001-049, 051-060, 101-104,
 TASK 34-48-00-710-001-A Operational Test of GPWS Ground Self-test Function WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
_______
 YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.

 1. Reason for the Job
__________________
 Refer to the MPD TASK: 344800-01
 Operational test of GPWS ground self-test function
 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 34-10-00-860-002 ADIRS Start Procedure
 3. Job Set-up
__________
 Subtask 34-48-00-860-050

 A. Aircraft Maintenance Configuration
 (1)
 Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002)

 (2)
 On the overhead panel, on the ADIRS CDU, set the OFF/NAV/ATT selector switch related to the ADIRU1 to NAV (Ref. TASK 34-10-00-860-002).

 (3)
 On the overhead control and indicating panel 21VU, on the GPWS section, make sure that the four GPWS pushbutton switches are released (legends off).

 1EFF : ALL 1 34-48-00Page 501 1 1 May 01/05 1 1 1CES 1 Subtask 34-48-00-865-051

 B. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------
PANEL ------ DESIGNATION ------------------------------------------------------ IDENT. LOCATION-------------------
121VU EIS/GPWS/115VAC  3WZ  P07
 121VU EIS/GPWS/28VDC  2WZ  P06
 4. Procedure_________
 Subtask 34-48-00-710-050
 A. Operational Test of GPWS Ground Self-test Function

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
On the CAPT (F/O) lighting/LOUD SPEAKER control panel 301VU (500VU):
 - push then immediately release the GPWS/G/S pushbutton switch.  On the panel 21VU:- the FAULT legend of the GPWS/SYS pushbutton switch comes on.
 In the loud speakers: - the GLIDE SLOPE aural warning operates then stops.
 On the panels 301VU and 500VU: - the G/S legends come on then go off. - the GPWS legends come on then go off.
 In the loud speakers: - the WHOOP WHOOP PULL-UP aural warning operates then stops.
 On the panel 21VU: - the FAULT legend of the GPWS/SYS pushbutton switch goes off.
 - push the GPWS/G/S pushbutton switch and hold it for 5 seconds after the first aural warning.  The above warnings operate, then allthese warnings, one after the other:- SINK RATE - WHOOP WHOOP PULL-UP 

R 1EFF : 001-049, 051-060, 101-104, 1 34-48-00Page 502 1 1 May 01/05 1 1 1CES 1

 -------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
-TERRAIN
 -WHOOP WHOOP PULL-UP
 -DON'T SINK
　
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