CFA633 w/usb


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We are having problems with the arrow keys locking up when using multiple actuations or a constant hold down of the key. This also locks the display from changing. This happens most often when adjusting the brightness or contrast. We can still use the 'x' key to power down or the 'check' key to cause a soft reset on our CPU board.
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USB LCD Displays - Graphic and Character LCDs with a Keypad