LG EA780SP Operating Instructions Manual page 19

Indicator (Function icon)
Defrost
Lights up when the Defrost function is being set or displayed.
Keep warm
Lights up when the Keep warm mode is being set or displayed.
Warming dishes
Lights up when the Warming dishes mode is being set or displayed.
Lock
Lights up when the Child lock is set.
Indicator(Working icon)
Cooling indicator
Lights up when the Cooling fan operates and whilst residual
temperature remains in the oven when it is switched off after
cooking, in conjunction with a 'Residual heat' indication on the
display.
Rapid heat up
Lights up when the Rapid heat up function is operating.
Temperature Progress Indicator
This icon is display increasing gradients until the temperature
reaches the correct set value.
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