LG LP1214GXR - Manual (Page 13)

In COOL and DRY modes, the / (TEMP/TIMER)
buttons adjust the set temperature up to 86°F (30°C)
or down to 60°F(16°C), in one degree increments.
Press the TIMER button to see the delay time you
set displayed on the LED display panel.
To change the set delay time, press the TIMER
button and adjust the time when the number begins
to blink.
To cancel the Timer function, press the TIMER
button and adjust the number to 0 when the
number begins blinking. The function will be
canceled in a few seconds.
An easier way to cancel the timer function is to
press the TIMER button, then press it again
when the number begins blinking.
Do not unplug the air conditioner while
using the timer function.
at the same time, or by pressing the
FAN SPEED