Samsung IAB Series Install Manual page 80

Dehumidification mode guide –
C. Constraint
1. IR KEY is not processed except for hidden key (MUTE → 3 → 7 → 9 → EXIT) during dehumidification mode.
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 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 exceptional.
dehumidification mode.
5. During the dehumidification mode, the purpose is to dehumidify the LED device, so a separate progress rate cannot be
indicated.
6. When the dehumidification mode is executed again after ending with the hidden key while the dehumidification mode
is in progress, the dehumidification mode proceeds again from the beginning.
Therefore, the WAKEUP signal should not be transmitted to the MDC or WOL during
Remote control hidden key method