SLM test fuction

Hi guys
I have a SLM connected to an M800
Is there a Test function.. so I can confirm I have this wired and configured correctly???
I do have an ADL ( early model) in the car.. Am I better connecting the SLM to it??
John P
I have a SLM connected to an M800
Is there a Test function.. so I can confirm I have this wired and configured correctly???
I do have an ADL ( early model) in the car.. Am I better connecting the SLM to it??
John P