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Dimming Garmin 340 audio panel

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#1

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03-24-2014, 11:27 PM

Bavafa

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Location: Sacramento, CA

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Dimming Garmin 340 audio panel

I was wondering if anyone has connected the back light of the 340 to a dimmer and if so, did you have any issues. On my setup, using a Maxdim, when connected to the 340, it causes a RF noise in the headset.

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#2

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03-25-2014, 11:30 AM

BobTurner

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Maxdim is a pulse width modulation device. Your Garmin just wants an analog control voltage, the actual dimmer circuit is internal.

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