Korg Zore4 Owner's Manual page 17

Loop playback will continue while you continue holding down the
GATE PLAY button.
Loop playback will stop when you release the GATE PLAY button.
The KEEP button will blink, and the sample data will be preserved.
To sample with Loop Play
When you press the LOOP PLAY button, recording will occur only for
the time specified by the LOOP LENGTH knob, and then loop play-
back will continue even after you release the LOOP PLAY button.
When you press the LOOP PLAY button once again, loop playback
will stop.
The KEEP button will blink, and the sample data will be preserved.
3. Record the sample.
If the KEEP button is blinking, this indicates that the sampled data is
temporarily preserved. If you continue sampling, this data will be
overwritten.
If you store the sampled data, you'll be able to play back this sample
repeatedly.
The KEEP button indicates the storage status of the sample data.
If the KEEP button dark: No sample has been preserved.
If the KEEP button is blinking: The sample has been temporarily pre-
served.
If you press the blinking KEEP button, the temporarily preserved
sample data will be stored into internal memory. When the sample
data has been stored, the KEEP button will light.
If you press the GATE PLAY button or LOOP PLAY button while the
KEEP button is blinking, new sampling will begin, and the temporarily
preserved sample will be erased.
If the KEEP button is lit: The sample has been stored in internal
memory.
4. Play back the sample data.
To play back using Gate Play
The stored sample will play as a loop while you hold down the GATE
PLAY button. You can use the LOOP LENGTH knob to change the
length of playback.
Loop playback will stop when you release the GATE PLAY button.
To play back using Loop Play
When you press the LOOP PLAY button, the stored sample will play as
a loop for the duration specified by the LOOP LENGTH knob. Loop
playback will stop when you press the LOOP PLAY button once again.
Note: The input to the SAMPLER/FX bus is cut off during loop
play. The master effect is applied only to the loop playback.
5. Delete the stored sample data.
When you press the lit KEEP button, the sample data stored in internal
memory will be erased, and the KEEP button will go dark.
Note: It's not possible to permanently save the recorded sample.
Regardless of whether the sample was temporarily preserved
or stored in internal memory, it will be lost when you turn
off the power.
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