Samsung AC Series Install Manual page 57

Dehumidification guide – Manual remote control hidden key
A. Definition
Dehumidification pattern output start and dehumidification mode end for LED device unit (pixel) dehumidification of LED
module are managed.
B. Detailed Description
1. In the sleep mode, the hidden key (MUTE → 3 → 7 → 9 → EXIT) enters the dehumidification mode.
2. When the dehumidification mode is turned on, the dehumidification mode pattern play(24 hours, changing the pattern that
darkens every 2 hours, playing Full White in the section from 22 to 24 hours)
3. To exit the dehumidification mode, press the remote control RETURN KEY to reboot.
<Dehumidification mode entry image>
<Dehumidification mode hidden key>