Coway AP-0512NH Owner's Instructions Manual page 7

Operation / Indication part (for sound therapy)
Sounds ON/OFF button
1
Use it to activate the sound therapy.
Press the button to find and set the
desired sound. Press the button for 2
seconds to deactivate.
※ Air purification and sound therapy can
be operated simultaneously or as a
stand-alone.
Timer button (for sound therapy)
3
Use this button to turn off sound therapy
after a predetermined period of time.
Available timer settings are 15, 30,
60 min.
Timer indicator
1
It shows the current time setting for sound
therapy. Each indicator is turned on as per
its set timer.
Indication part
Sounds ON/OFF button
1
Volume button
2
Volume button
2
Use these buttons to set the desired
volume. The volume settings are level
1 (MIN) to 5 (MAX).
Operation part
Timer indicator
1
Timer button
3
6