Epson TM-T20II OT-WL05 Technical Reference Guide - Page 3

For Safety Key to Symbols The symbols in this manual are identified by their level of importance, as defined below. Read the following carefully before handling the product. You must follow warnings carefully to avoid serious bodily injury. WARNING CAUTION Provides information that must be observed to prevent damage to the equipment or loss of data.  Possibility of sustaining physical injuries.  Possibility of causing physical damage.  Possibility of causing information loss. Provides information that must be observed to avoid damage to your equipment or a malfunction. Provides important information and useful tips. Warnings WARNING  May exert electromagnetic interference on, and cause malfunction of, cardiac pacemakers. Before using this product, check that there is no one in the vicinity using a cardiac pacemaker.  May exert electromagnetic interference on, and cause malfunction of, sensitive medical equipment. Before using this product, check that there is no sensitive medical equipment in the vicinity.  Use of this product on aircraft may be restricted in some countries. Before using this product, check that use of this product is not restricted on the aircraft.  Never attempt to repair this product yourself. Improper repair work can be dangerous.  Never disassemble or modify this product. Tampering with this product may result in injury or fire. 3