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GL220 sat in storage for 6 months and now all 10 channels seem to be dead.

Oct 28 (10 months ago)
Victor Sargent wrote
Could there be something that I am overlooking that will turn the channel inputs off with them turned on in the setup? With 5 volts applied with a calibrator, each channel only sees a few millivolts. There has never been more than 24 volts applied to the recorder.
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