Korg M1 Owner's Manual page 24

The Browser
While you're selecting a sound in the browser, you
can't use a connected external MIDI device to edit the
sound (or perform automation or control changes).
5. SOLO button
This specifies how sounds will play when you're using the
browser.
ON: The sound will play in the state in which it's saved on
the card, without reflecting the parameters of the edit pages.
OFF: The sound will play according to the state of the
parameters on the edit pages.
6. CANCEL button
Closes the browser without applying the selected sound.
7. APPLY button
Applies the selected sound.
8. OK button
Applies the selected sound and closes the browser.
9. CLOSE button
Closes the browser.
Copying and pasting in the browser
You can copy and paste combinations, programs, and drum
kits in the browser. Select a sound in the sound list, right-
click (Mac: Control-click), and choose "Copy" from the
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menu that appears; the selected sound will be copied to the
clipboard. Then select a paste-destination in the sound list,
right-click (Mac: Control-click), and choose "Paste" from the
menu that appears; the sound will be pasted from the clip-
board. The sound that previously occupied that destination
will be overwritten. If you drag and drop a sound in the
sound list while holding down your computer's [Alt] (Mac:
[Option]) key, the destination sound (on which you dropped
the dragged sound) will be overwritten.
When searching in a User Card, you can swap the location
of two sounds by dragging and dropping a sound to a dif-
ferent location in the sound list. If you've started up multi-
ple instances of the M1 software synthesizer, dragging and
dropping between the sound lists of different instances will
overwrite the sound onto the location where you dropped it.
You can also overwrite a preset sound onto a user card.
Sounds can only be overwritten onto a user card.
Preview playback in the browser
When using the browser in Combination or Multi mode,
preview playback using the [PREVIEW] switch will occur as
follows.
Timbres (tracks) that are set to the same MIDI channel as the
sound selected in the browser's sound list will play together
with it. If the browser's "SOLO" button is on, only the
sound selected in the browser's sound list will play.