Samsung AR09TXHQBWKNEU User Manual page 47

SILENCE/FP Button
Active/Disable SILENCE function. If pushing
more than 2 seconds, the FP function will be
activated, pushing more than 2 seconds
again to disable.
When the Silence function is activated, the
compressor will operate at low frequency
and the indoor unit will bring faint breeze,
which will reduce the noise to the lowest
level and create a quiet and comfortable
room
for you. Due to low frequency operation of
compressor,it may result in insufficient
cooling and heating capacity.
The FP function can only be activated
during the heating operation(only when the
setting mode is HEAT). The unit will operate
at a setting temperature of 8℃.The display
window of indoor unit will display FP.Press
the buttons of ON/OFF，SLEEP，FP，
MODE, FAN SPEED, UP or DOWN while
operating will cancel the FP function.