Hi all.
I was wondering if anyone could tell me what to set the attenuation xlr output level on the SD 302 for a lectro wireless? I want to send a mix via wireless to a camera.

In the manual it says that attenuation can be set from 0 to 16 dB and 40 to 56 dB. So would the lectro input be set for -10(aux level), -40 ( hot mic level), or -56 (low mic level)?

You have to know what kind of XLR cable to Lectro connection you have. Some are Mic Level, some are Line level. The best thing to do is start at Mic Level and work your way up. Don't just listen to tone. Check it out with voice to see if any issues crop up with clipping etc.