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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 siginal conditioner.
 NOTE: After Clear Flight Memory?, if the NO button is
____ pushed again the front display will show Balance?. After Clear Flight Memory?, if the YES button is pushed the front display will show Flight Memory Cleared (all flight history is deleted). Push and release the NO button to show Balance?.
 (l)  If there are high vibrations, do the troubleshooting that shows for High Vibration Indication (AMM 71-00-47/101).
 S 412-060-C00
 (2)  Close the Electronic Equipment Access Door, 1201L.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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AIRBORNE VIBRATION MONITORING (AVM) SYSTEM - ADJUSTMENT/TEST
____________________________________________________________
 1. General
_______
 A. This procedure has two tasks:
 (1)  
The operational test of the airborne vibration monitoring system.

 (2)  
The self-test of the airborne vibration monitor signal conditioner.

 TASK 77-31-00-715-001-C00
 2. Airborne Vibration Monitoring (AVM) System - Operational Test
_____________________________________________________________
 A. General
 (1)  
This task is the operational test procedure for the airborne vibration monitoring (AVM) system.

 (2)  
The operational test consists of three parts as follows:

 (a)  
A self-test of the AVM signal conditioner.

 (b)  
A fault history check of the complete AVM system for faults external to the AVM signal conditioner from the recent flight(s).

 (c)  
An engine operation (one engine at idle) to check that the AVM system is operational.

 (3)  
You can use the operational test to make sure that the AVM signal conditioner operates after a component replacement.

 B. References
 (1)  
AMM 71-00-00/201, Power Plant

 (2)  
AMM 71-00-54/101, AVM Indicating Problem

 (3)  
AMM 77-31-00/201, Airborne Vibration Monitoring (AVM) System

 C. Access
 (1)  
Location Zone
 205 Electronic Compartment
 210 Control Cabin

 (2)  
Access Panel
 1201L Electronic Equipment Access Door

 D. Prepare to Do the Operational Test of the AVM System
 S 865-003-C00
 (1)  Make sure this circuit breaker is closed:
 (a)  P6 Load Control Center
 1) ENG VIBRATION MONITOR

 S 865-004-C00
 (2)  AIRPLANES WITH THE ENGINE INSTRUMENT SYSTEM (EIS);
 Make sure these circuit breakers are closed:

 (a)  P6 Load Control Center
 1) EIS SEC 1
 2) EIS SEC 2
 3) EIS SEC 3
 4) EIS SEC 4

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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5) EIS SEC 5
 6) EIS SEC 6

 S 015-007-C00
 (3)  Open the electronic equipment access door, 1201L.
　
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