Boss MICRO BR DIGITAL RECORDER MICRO BR Owner's Manual page 121

Solution: Press [STOP] to stop playback or
recording.
Too Many Songs!
Cause: You are attempting to create more
that 100 songs.
Solution: Erase unneeded songs (p. 58).
Unformatted!
Cause: The MICRO BR cannot recognize
or use the format of the inserted
memory card.
Solution 1: Turn off the MICRO BR, properly
insert the memory card, then turn
the MICRO BR back on.
Solution 2: Initialize the card (p. 110).
Unsupported Card!
Cause: The memory card (SD memory
card) inserted is not compatible
with the MICRO BR.
Solution: Use a memory card compatible
with the MICRO BR (see "About
Memory Cards").
Unsupported Format!
Cause 1: The MICRO BR cannot recognize
or use the format of the inserted
memory card.
Solution 1: Insert a memory card initialized for
use with the MICRO BR (p. 110).
Cause 2: You have attempted to load an
incompatible MP3 or WAV file to
the MICRO BR.
Solution 2: Check the format of the MP3 or
WAV.
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