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 *[1] Total number of flights, XX = 1 to 32 *[2] Last flight is Flight 0, the flight before is Flight 1 to Flight 31 *[3] FXX = Flight number 0 to 31 *[4] E1 is Engine 1; E2 is Engine 2 *[5] yyy% is the percent RPM measured for the N1 and N2 shaft *[6] n.nn is vibration in scalar units (0.00 to 5.00) *[7] Elapsed time from engine start in hours
 (a)  Push and release one of the four buttons to show Self Test? on the front display of the AVM signal conditioner.
 NOTE: The NO button is used to review all the main menus.
____
 (b)  After Self Test?, push and release the NO button to show Fault History? on the front display of the AVM signal conditioner.
 NOTE: If Fault History? is displayed, see the BITE maintenance
____ message steps above.
 (c)  After Fault History?, push and release the NO button to show Flight History? on the front display of the AVM signal conditioner.
 NOTE: The flight history will not be erased unless the YES
____ button is pushed after Clear Flight Memory? is displayed on the front display of the AVM signal conditioner. The AVM signal conditioner can keep 32 flights in the storage memory. The YES button is used to review each menu.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(d)  After Flight History?, push and release the YES button to show XX Flights Display? on the front display of the AVM signal conditioner.
 NOTE:____ The XX refers to the total number of flights in storage memory. If No Flight Data shows, there is no flight history to view. After No Flight Data, if the NO button is pushed the front display will show Balance?.
 (e)  After XX Flights Display?, push and release the YES button to show Flight XX? on the front display of the AVM signal conditioner.
 (f)  After Flight XX?, push and release the YES button to show the most recent flight history data for engine 1 that was set.
 NOTE:____ The UP or DOWN ARROW button can be used to review all the flight history data for engine 1.
 (g)  1) Record the flight history data that you want.If you are done looking at flight history data for engine 1, push and release the NO button to show the most recent flight history data for engine 2 that was set.
 NOTE:____ The UP or DOWN ARROW button can be used to review all the flight history data for engine 2.
 (h) (i) (j) (k)  1) Record the flight history data, that you want, before you get the subsequent flight history data.Push and release the NO button to show the subsequent flight number message that was set.If you do not want to continue, or if you want to keep the flight history data, push and release the NO button twice to show Clear Flight Memory? on the front display of the AVM signal conditioner and then Balance?.If you push and release the DOWN ARROW button after the last flight history data, the most recent flight history data will show on the front display of the AVM signal conditioner.Do one of the steps that follow to interrogate the AVM signal conditioner further:
 1)  If you want to see the flight history data again after Balance?, push and release the NO button four times.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 ALL  ú ú N01 Page 208 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
2)  If you want to see balance data after XX Flights Display?, push and release the NO button twice.
 NOTE: Clear Flight Memory? and then, Balance? will show on
____ the front display of the AVM signal conditioner.
 3)  After Flight History?, push and release the NO button to show Balance? on the front display of the AVM signal conditioner.
 CAUTION: RECORD ALL OF THE FLIGHT HISTORY DATA BEFORE YOU PUSH
_______ THE YES BUTTON AGAIN. YOU WILL ERASE ALL THE FLIGHT HISTORY DATA WHEN YOU PUSH THE YES BUTTON WITH CLEAR FLIGHT MEMORY? ON THE DISPLAY.
 4)  After XX Flights Display?, push and release the NO button to show Clear Flight Memory? on the front display of the AVM signal conditioner.
 NOTE: After Clear Flight Memory?, if the NO button is
　
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