A few weeks ago I powered up my KX1 but the batteries were fairly low. I took them out, threw them away, and put the radio down for a few weeks. It sat and basically did nothing. Now when I hook up an external power supply (honestly I haven't tried batteries yet) the unit will not power up. The "flashlight" LED does work however.
Any quick and dirty checks I can do before I really dig into troubleshooting?