What do the different buttons on the Samsung refrigerator control panel do?

The control panel includes several buttons with specific functions: Energy Saver (turns energy saving mode on/off), Freezer (sets temperature or activates Power Freeze), Alarm (controls door alarm or resets water filter), Lighting (controls dispenser light or switches between °C/°F), Fridge (sets temperature or activates Power Cool), Ice Off (turns ice maker on/off or activates Child Lock), and on sparkling models, Sparkling Water (dispenses sparkling water or controls carbonation level). Each button may have multiple functions accessible by pressing and holding for 3 seconds. (Page 19-25)