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Set the thrust levers to the current thrust setting by adjusting the levers until the N1 (EPR) TLA blue circle is adjacent to the actual N1/EPR. If this step is not carried out prior to pressing the instinctive disconnect pb, the thrust will increase rapidly to the current TLA, e.g. climb thrust.

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Disconnect the A/THR using the instinctive disconnect pb.

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The "AUTO FLT A/THR OFF" caution will be annunciated on the E/WD on the first press of the instinctive disconnect pb and will be cleared by a second press of the pb. The caution will also disappear after a 9 sec time-out following a single press of the disconnect pb.

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Adjust the thrust as required.

Disconnection of the A/THR by setting the thrust levers to idle is the normal method of disconnection during the flare.
Disconnection due to a failure is uncommon but should it occur, react to the ECAM warnings in the normal manner. It may be possible to regain A/THR by selecting the other AP. If the A/THR cannot be restored, manual thrust must be used. Speed and thrust awareness following a failure is extremely important, as Alpha Floor protection is no longer available.
Disconnection by the use of the FCU A/THR pb is not recommended due to the associated cautions. This method should only be used if the instinctive disconnect pb is inoperative.
If the A/THR disconnects due to a failure, or is disconnected using the A/THR pb on the FCU, the cautions "AUTO FLT A/THR OFF" and "ENG THRUST LOCKED" will appear on the ECAM and the message "THR LK" will flash in amber on the FMA. In this instance, promptly align the TLA blue circle to the current thrust setting and adjust thrust manually.
The A/THR can be reactivated by pressing the A/THR pb on the FCU and returning the thrust levers to the applicable detent.

Protection
Even with A/THR selected off, high angle of attack protection (Alpha Floor) is provided by the A/THR. Alpha Floor is not available in the certain cases. FCOM
1.22.30 refers.

A330/A340 2.80.1 Flight Path Vector
FCTM REV 1 (6 JUN 05)
GENERAL
The FPV indicates performance and does not direct or command. It displays information on the aircraft trajectory relative to the ground. Because of inertia, there will always be a lag between an attitude change and the resultant change in flight path. Therefore, use of the bird should be limited to non-dynamic manoeuvres. However, it is particularly useful in those operations where a stable, accurate flight path is important, e.g. non-precision approaches or visual circuits. When using the bird, make an attitude change first, as with other aircraft types and then check the outcome with reference to the bird.
FCOM 1.31.40 refers.
INFORMATION PRESENTATION
The vertical flight path angle can be read directly from the PFD pitch scale. If the aircraft is stable and the wings of the bird are on the PFD horizon, then the aircraft is in level flight.
The track is displayed on the PFD as a green diamond indicator on the compass, as well as by the lateral displacement of the bird from the fixed aircraft symbol. On the ND, the track is displayed as a green diamond indicator on the compass scale. The angular difference between track and heading indicates the drift.
2.80.2

A330/A340 General Information
REV 1 (6 JUN 05)
FCTM Flight Path Vector

PRACTICAL USES OF THE FPV
The FPV displays information on the aircraft trajectory relative to the ground. Because of inertia, there will always be a lag between an attitude change and the resultant change in flight path. Therefore, use of the bird should be limited to non-dynamic manoeuvres. However, it is particularly useful in those operations where a stable, accurate flight path is important, e.g. non-precision approaches or visual circuits.
When using the bird, make an attitude change first, as with other aircraft types and then check the outcome with reference to the bird.
　
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