... the direction of raised line, theheating light comes on, the heating element start to work; When thetemperature ... ight goes out , the heat-keeping light comes on, the appliance is in thestate of heat-keeping ... could be ensure kept at set temperature range.2. On the heat control switch,0 means power off, ... reach to the ideal temperature, put the foods on thegridiron for cooking.4. If abnormal status ...