22OperationHow to Use the Shelf When Microwaving(only for NN-H264)1. The shelf must be positioned on Shelf Supports securely toprevent damage to the oven from arcing.2. DO NOT use a microwave browning dish on the shelf. Theshelf and dish could overheat.3. DO NOT use the oven with the shelf on the microwave floor.This could damage the microwave.4. Use pot holders when handling the shelf—it may be hot.Caution:Do not heat liquids on shelf, use the turntable for heating liq-uids.Also be careful when removing hot items from the shelf orturntable.Placement of the Roller RingBefore using the microwave oven, be sure the Roller Ring isproperly installed. Incorrect installation can result in impropercooking, damage to the oven or spillage of food. The RollerRing must be located on the surface between the raised riband raised floor.For best cooking results1-Level cookingFood microwaves best when placedonto the turntable, with turntable on(rotating).When a large dish or more than onedish is used for cooking, the turntablecan be turned off. For best results,rotate large dish and interchange mul-tiple dishes, halfway through cookingcycle.For best cooking results, remove theshelf unless you are reheating onmore than one level.2-Level cooking1. Multiply reheat time by 11/2.2. Interchange dishes halfwaythrough cooking.DO NOT use the shelf or operate Turntable Off when cookingfoods on Popcorn / Inverter Turbo Defrost / Keep Warm /Sensor Reheat / Sensor Cook / Auto Reheat / Inverter AutoCooking.Roller RingRaised RibRaised FloorRaised RibCorrect Incorrect(Turntable On)For best results(Turntable Off)Rotate dishhalfway through cooking(Turntable Off)Interchange disheshalfway through cookingUneven resultsInterchange disheshalfway through cooking