Houghton BELAIRE A3501 Owner's Manual page 26

SLEEP
Only available in COOL and HEAT modes. Press the SLEEP key to enter or exit sleep mode. Sleep mode is selected
●
when the buzzer sounds once. The buzzer will beep twice when Sleep mode is cancelled. Sleep mode allows the set
point temperature to change slightly when you sleep. This promotes greater comfort so that you don't wake up too cold
too hot.
LOCK
"
Short press of the LOCK key and the
●
the wall pad are invalid except for the ON/OFF
LOCK
Turn off
Press the on/off
●
" " "
symbol will display. Long press of 3 seconds to unlock. The other keys on
" " key again， unit turns off and the plenum and remote control will be blank.
" "
" " " " symbol is displayed.
key when the
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