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Beep change on Mustang/Amstrad 901 help please

Damo666

Member
Jan 10, 2009
50
0
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Hi. I've just picked up an old mustang 1000 that uses the same board as the Amstrad 901, etc. Does anybody know how to turn the standard roger beep into a peewit type beep. I did it years ago, but can't remember how i went about it. All help appreciated. Cheers.
 

Who what?? I've never heard of either of these.....radios? Are you in the U.S.? When I first came across the names I figured you were talking about some older, obscure amplifiers.

Roger beeps are pretty simple circuits. I believe the tone sound/duration can be differed by changing the capacitance in the circuit.

Someone on here should be able to help ya.

good luck

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