JFK PA-338 board Roger Beep delay

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JFK PA-338 board Roger Beep delay

Post by 13EL121 » 13 Jan 2019, 15:27

Hi, any idea how to make the beep longer in a JFK with PA-338 board?
Thanks and 73,

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Re: JFK PA-338 board Roger Beep delay

Post by dt307 » 16 Jan 2019, 03:18

change value of c166
schematic http://78roger.free.fr/president/schema/jfk(pc-338).jpg
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