Bose A20 Aviation Headset - ANR
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Hi everybody,
I bought the Bose A20 Aviation headset with the 5-pin XLR connector, this is Aircraft Powered but the ANR doesn't work without batteries. Am I doing something wrong or the ANR only works with battery power??
I fly A320 Family.
Thanks in advance for your help.
I bought the Bose A20 Aviation headset with the 5-pin XLR connector, this is Aircraft Powered but the ANR doesn't work without batteries. Am I doing something wrong or the ANR only works with battery power??
I fly A320 Family.
Thanks in advance for your help.
Join Date: Feb 2000
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Well, to be honest, I've never tried my A20 without a battery to see if the ANR worked. It wouldn't surprise me if it didn't work without a battery installed. I fly airplanes with the 6 pin Lemo connector and batteries last for years, literally.
Join Date: Dec 2014
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Aircraft power to the XLR socket is an optional extra, so it sounds likely that your airline hasn't taken that particular option. If that's the case, there's not a lot you can do!
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I think the batteries are needed to make the circuit. Our aircraft are a mixture and on twin plug, I get 2-3 weeks from good batteries but wth the XLR5 Mike/box fitted and connected they last months!
That's with just a few days every now and again on a twin plug plane. So you do need the batteries installed but current drain is negligible.
Hope that helps?
That's with just a few days every now and again on a twin plug plane. So you do need the batteries installed but current drain is negligible.
Hope that helps?
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Here's what the the Bose A20 manual has to say about the OP's question:
So assuming that's correct (Wouldn't be the first time a manual had incorrect info) then if you're plugged into a connection with power connected, it shouldn't make any difference whether you have batteries installed or not, the ANR should work.
So, it the OP's ANR isn't working without a battery installed, that seems to indicate the the power isn't connected to the connections in the OP's airplanes.
There are several end-plug configurations for the headset. Your headset falls into one of two general categories:
• Battery powered: Operates with battery power only.
• Dual powered: Operates with either aircraft or battery power. No battery needed
when connected to aircraft power. This version is often called Flex powered and
comes with an Auto On function.
• Battery powered: Operates with battery power only.
• Dual powered: Operates with either aircraft or battery power. No battery needed
when connected to aircraft power. This version is often called Flex powered and
comes with an Auto On function.
So, it the OP's ANR isn't working without a battery installed, that seems to indicate the the power isn't connected to the connections in the OP's airplanes.