RJ Issues
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Hello all, was hoping somebody could assist in some issues I’m having please.
Firstly an issue with the auto throttle, after engaging TOGA the throttles will advance to take off thrust. During this the input from my physical throttles are disabled (the option I enabled in the EFB) - once in the air and climbing out it’s like that lockout is disabled and my throttles spring back to their physical position. I have tried a mix of having no autopilot, autopilot heading mode and LNAV whilst the AT with TOGO is enabled and all display the same behaviour. I’m using the throttle set axis and have one axis to control all 4 engines. Not sure why the physical throttles is overriding the AT when the option is disabled.
Second issue I am having relates to the auto cabin lights, despite enabling this option it appears my cabin lights stay off in both the exterior and virtual cabin view (I have tried disabling the cabin to see if this changes anything, it didn’t). The only way I am able to have the cabin lighting is to turn on the switches in the virtual cabin.
Not sure if I’m doing something wrong here, but any help would be appreciated.
Thanks all
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So some further testing and I have deduced the following:
When TOGA is pushed the auto throttle goes from armed (white) to active (green) and the thrust is increased to take off power. For some reason however, once initially climbing out, the auto throttle is then changing back to armed and white, thus allowing the throttle to no longer be ignored and send their physical position data to the plan and thus a reduction in thrust.
I have no clue why this change back to the armed state is taking place, I am pressing nothing.
Anyone else seeing similar behaviour?
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This is correct logic as per the real aircraft. After completing a takeoff with the autothrottle engaged, the autothrottle will return to a disarmed state (A/T white on the PFD) when passing 350ft AGL. This is the altitude where TO mode is automatically disengaged and the throttle freeze mode is left, allowing the pilot to manually control the throttles. At this point, there will be no vertical modes engaged so the autothrottle has to return to the armed state. Engaging any other vertical mode (LVL CHG, V/S, ALT HLD) will reengage the autothrottle (A/T green on the PFD).
Hope that helps.
Mark - Just Flight
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Thanks @Mark - all makes total sense, are you able to offer any logic or troubleshooting around the cabin lights - still appear to have the issue with them as detailed above ?
I’ve also noted in the manual it says that moving the DU brightness controls to the compact position should give a compact display on either the ND or the AH (depending on what’s selected), but when I dim mine down to that click stop it just blanks the display and doesn’t toggle a compact version. Is this a bug?
Sorry to be a pain, if you could offer any answers I’d be grateful. I adore this fantastic plane!
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No worries @Mark.
Sorry to confirm, do the cabin lights need to be turned on inside the virtual cabin? If not, what criteria need to be met for the auto cabin lights to kick in as my cabin seems to be in darkness on night flights, despite having auto cabin lights enabled, until I flick the in cabin switches.
