You should start here: http://support.arubanetworks.com/Documentation/tabid/77/DMXModule/512/Command/Core_Download/Default.aspx?EntryId=14111
By the way, your screenshot says that your RF utilization is too high. Ways to possibly remedy that:
- Reduce the number of SSIDs you are broadcasting
- Enable Drop Broadcast and Multicast on all of your Virtual APs
- Find and remove interference
- Ensure that your access points are not too close together (less that 50 feet can be too close)
- Ensure that the MAX tx-power in your ARM profile is not more than 18 on the 5ghz. You might want to reduce this to 15 on the 2.4 ghz if that is where your issue is.
- Remove lower rates on your SSIDs.