Formatting the microSD card while starting up
Before using a microSD card for the first time with the M3, always format it to maximize performance.
Using a microSD card that has not been formatted by the M3 could cause dropouts when recording or
recording to fail.
1. When the power is off, while pressing , press and hold .
This will start up in a state ready to format the microSD card (POWER, STEREO and LO CUT indicators
lit and REC/PLAY indicator blinking).
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