Symbols Used in This Guide The following symbols are used in this guide to indicate important information. 3 CAUTION Handling the product improperly by ignoring this symbol can lead to injury and property damage. c IMPORTANT Indicates information with which you must comply when using the product. Mishandling due to ignoring this information may cause the product to fail or malfunction. Q NOTE Indicates supplementary explanations and information you should know. U Indicates a reference page containing related information.