Hi Light, Thank you for writing a review. Did you read the 'help-Instruction?' ('?' sign on the right/top corner). If you need Help on how to use this app- email our support asap(g1235813+LightComm@gmail.com), & we'll help you. Please try our other apps( there is a better Morse app available..) https://play.google.com/store/apps/developer?id=g .bye