From BASIC you can have either: BEEP .1,23.2 REM which has a frequency of 999.3Hz or BEEP .1,23.21 REM which has a frequency of 1001.0Hz The choice is yours.... Anyway, this is what I typed into my Speccy (issue 6A plus): 10 FOR a=1 TO 5: BEEP .1,23.2: PAUSE 45: NEXT a: BEEP .5,23.2 Mark PS I have a...