question: protected int cautionAddrSet ( ) { log . info ( "Caution: Set locoio address is a broadcast operation" ) ; return JOptionPane . showOptionDialog ( this , "This will set the address of all attached LocoIO boards" , "Global operation!" , 0 , JOptionPane . INFORMATION_MESSAGE , null , new Object [ ] { "Cancel" , "OK" } , null ) ; }
target:  the SET LOCOIO ADDRESS button was pressed Since this does a broadcast program-all to every LocoIO board on the LocoNet, it needs to be used with caution.