Premier CG-5353 Manual De Instrucciones página 18

"R" stands for refrigeration, "F" means freezer.
Description as follows:
1, Adjust the temperature by turning the knob
2, Please turn to refrigerate area between " R" position and "F" position
3, From position "3" to "5" , the temperature inside freezer become lower, between "R" to "2" is normal.
4, If fast freezing is needed for articles, the knob of the thermostat should be set on the position "6" "
after the articles are put in to the freezer
Do not fast freeze for more than 4-5 hours or it is not good for the refrigatring system.
P-9