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Hello everyone,
I am having an autopilot issue with my QOTS II .
I encountered this problem since my first flight with the autopilot system.
I set my route as usual following all the procedure.
Also, I have already switch on FD then LNAV and VNAV on ground before takeoff.
But as soon as I was airborne, I switch on the Left autopilot as it immediately show VNAV ALT and autopilot disengaged. I try to switch to center and right autopilot and the same problem happened again.
Here is a screenshot of the problem.
h4MqPbs.jpg

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25 minutes ago, walter_wah said:

But as soon as I was airborne, I switch on the Left autopilot as it immediately show VNAV ALT and autopilot disengaged. I try to switch to center and right autopilot and the same problem happened again.

This means that your hardware is overriding the AP, specifically on the vertical axis. There's a setting under PMDG SETUP > that will allow the AP to ignore your hardware any time the AP is on. Alternatively, you can calibrate your hardware and set an appropriate null zone such that erroneous signals are not sent.

Full names in the forum, please - first and last.

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