Spektrum AR500 rcvr connections

[hfb]

Spektrum AR500 rcvr connections.
The manual does not show and the rcvr is not marked for power polarity. Can anyone tell me which is + and which is - on the power and servo connections?

[wewders]

I don't know about the AR500, but there's a post that answered this question for the AR6200.  http://www.rcdiscuss.com/index.php/topic,11170.0.html

Looks to me like negative is closest to the edge of the RX.

There's no reason for Spektrum to reverse the polarity on their RXs, so it should be the same.