[20:19:12.040] ctrl-t b Send break
[20:19:12.040] ctrl-t c Show configuration
[20:19:12.040] ctrl-t e Toggle local echo mode
+[20:19:12.040] ctrl-t f Toggle log to file
[20:19:12.040] ctrl-t g Toggle serial port line
[20:19:12.040] ctrl-t h Toggle hexadecimal mode
[20:19:12.040] ctrl-t l Clear screen