Nice to find *BT* sign showed up in SDX V13.14. Thanks a lot, Paul! I see some instability on handling WinKeyer USB when "@" is typed in while in the CW chat keyboard mode. The WK2 chip is v20 - I'll check it again when I test another newer WK2 IC. 73 // Kenji Rikitake, JJ1BDX(/3)