LG Multi F Series 18,000 BTU Multi F Single Compatible Inverter Heat Pump Low Static Ducted Ceiling Indoor Unit Owners Guide - Manuel (Page 14)

Operating Introductions
14 Air Conditioner
It is the function to use preventing children or others from careless using.
Function setting - Child Lock
TEMP
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SPEED
OPER
MODE
During the operation, when pressing the
button and button for approx. 3 seconds,
the ‘Child Lock’ Function can be used.
- At the time of initial setting of the ‘Child Lock’,
the ‘CL’ Will be indicated approx. 3 seconds
at the temperature Display section before
resuming to the previous mode.
After the setting of the ‘CL’, if another button
is setup, the button can not be recognized as
the ‘CL’ is indicated at the temperature
display section for approx. 3 seconds.
1
If the ‘CL’ function is wanted to be used
under the operation standby state, press the
button and Button for approx.
3 seconds under the standby mode state and
the system will be the ‘CL’ state. 2
As for the releasing method, when pressing
the Button and button for approx. 3
seconds, the ‘CL’ function can be released. 3
FAN
SPEED
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SPEED
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SPEED