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europa(at)pstewart.f2s.co
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 Posted: Mon Sep 24, 2007 12:53 pm Post subject: radio |
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I've done something stupid but can't work out what. I have a microair
760 radio wired through an XCOM intercom. Fired it all up for the
first time this evening. To my great surprise it all worked (almost).
Radio receives fine. Intercom works a treat. Even the music input
works. However when I press the PTT (either P1 or P2) a get a loud
buzzing in the headphones - the radio also transmits this buzzing. It
does this even without a mic plugged in. Anyone suggest what I've done?
Regards
Paul
G-GIDY
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ksw(at)kenwhit.demon.co.u
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| Posted: Tue Sep 25, 2007 4:13 am Post subject: radio |
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In message <77636CA4-F5E7-437E-8A7F-E59A42297F13(at)pstewart.f2s.com>, Paul
Stewart <europa(at)pstewart.f2s.com> writes
| Quote: |
I've done something stupid but can't work out what. I have a microair
760 radio wired through an XCOM intercom. Fired it all up for the
first time this evening. To my great surprise it all worked (almost).
Radio receives fine. Intercom works a treat. Even the music input
works. However when I press the PTT (either P1 or P2) a get a loud
buzzing in the headphones - the radio also transmits this buzzing. It
does this even without a mic plugged in. Anyone suggest what I've done?
It sounds as though the microphone is not connected into the Microair.
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The buzzing would be due to the open circuit on the microphone input to
the transmitter.
Regards
Ken Whiteley
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