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I desperately need to disable the annoying "power on" beep on my President Lincoln II+. I use the radio with an amplified speaker and needless to say, it's a little jarring when I power the radio on.
Disabling "key beeps" in the menu doesn't affect it.
This may be something hard coded in the...
Thanks all for your input and advice, and especially YOU, Nomad.
I went with what was recommended and did not install the cap/resistor at JP36. I swapped the resistor off the leg of TR17 for a little microphone audio boost, bumped the AMC control VR4 a little bit, and put the covers back on...
I just bought a new Cobra 29 and will be putting it on the bench tonight. I'm unsure if I wasnt to swing kit (cap/resistor) this radio or not though. I don't plan to ever run an amplifier, ever. I just want the audio to be loud and the signal to be clean.
What is recommended? Adjust L14 to...
Cobra 29 LTD Classic with an Astatic 636L. I understand the 636L is a noise cancelling microphone and will result in lower audio drive, so how can I adjust for this? Are there any components in the mic amp circuit that I can swap out to boost drive a little bit?
Thanks!
73
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