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To completely disable operation of the on-board linear regulator, remove all shorting blocks from
J17. To use the on-board 5V regulator, use the provided shorting blocks to connect VU to LDO In,
and to connect LDO Out to 5V0, as follows:
Note: In this case, when J16 is in the EXT position, and J17 is jumpered to regulate the external
input, do not apply more than 18V;. tThis can destroy the 5.0V regulator.
To bypass the on-board 5V regulator when powering the board from an externally regulator 5V
power supply, such as USB, Use one of the provided shorting blocks to connect VU to 5V0, as
follows:
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