Sony SRS-XB32 Help Manual page 18

RANDOM FLASH OFF: For all kinds of music including dance music with no use of flashes
HOT: Lighting with warm-color flashes
COOL: Lighting with cool-color flashes
STROBE: Lighting with white flashes
Note
When the light is strong, brighten the room or turn off the lighting.
Be sure to close the cap completely after using the BATT (battery)/
Related Topic
What you can do with "Sony | Music Center"
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LIGHT button.