Samsung AC Series Install Manual page 58

Dehumidification guide – Manual remote control hidden key
C. Constraints
1. IR KEY is not processed except for remote control return key while dehumidification mode is in progress
2. During dehumidification mode, AC OFF/ON of the right SYSTEM driver operates according to the "Auto-on" setting value.
3. If the AC of the left SCREEN driver is turned off/on while dehumidification mode is in progress, the dehumidification
mode is re-executed from the beginning only for the left SCREEN.
4. During dehumidification mode, WAKEUP signals transmitted to MDC (RS2323 terminal) and WOL (LAN terminal) other
than IR KEY are not exempted, so WAKEUP is performed in normal mode. Therefore, the WAKEUP signal should not be
transmitted to the MDC or WOL during dehumidification mode.
5. During the dehumidification mode, the purpose is to dehumidify the LED device, so a progress rate cannot be indicated.
6. If the remote control return key is terminated during dehumidification mode and the dehumidification mode is executed
again, the dehumidification mode proceeds again from the beginning.