NAUTIZ X4 Manual Version 1.26 handheld2. SAFETY REGULATIONSSymbols in this manualIn this manual, some important items are described with the symbols shown below. Be sure to read these itemsbefore using this equipment.WARNING Indicates a potentially hazardous situation which, if not avoided, could result in deathserious injury, or serious damage, or fire in the equipment or surrounding objects.CAUTION Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderateinjury, partial damage to the equipment or surrounding objects, or loss of data.☞NOTE Indicates information to which you should pay attention when operating the equipment.This section outlines the safety precautions associated with using NAUTIZ X4 handy terminal.☞NOTE: NAUTIZ X4 handy terminals meet or exceed the requirements of all applicable standards organizations for safe operation.However, as with any electrical equipment, the best way to ensure safe operation is to read this manual carefully before performing anytype of connection to the handy terminal and operate them according to the agency guidelines described in the manual.2.1. General Safety RulesCAUTION Use only the components supplied by the manufacturer for the specific NAUTIZ X4 being used. Do not attempt to disassemble the NAUTIZ X4 handy terminal, as it does not contain parts that can be repaired by theuser. Any tampering will invalidate the warranty. When replacing the battery pack or at the end of the operative life of the NAUTIZ X4 handy terminal, disposal mustbe performed in compliance with the laws in force in your country. Before using the devices and the battery packs, read this manual carefully. Do not submerge the NAUTIZ X4 handy terminal in liquid products.2.2. Power SupplyThe power supply for this device has met applicable KCC/CCC safety requirements.Please adhere to the following safety instructions per UL guidelines:• FAILURE TO FOLLOW THE INSTRUCTIONS OUTLINED MAY LEAD TO SERIOUS PERSONAL INJURYAND POSSIBLE PROPERTY DAMAGE.• IMPORTANT SAFETY INSTRUCTIONS – SAVE THESE INSTRUCTIONS.WARNINGDANGER – TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, CAREFULLY FOLLOW THESEINSTRUCTIONS.Use only Handheld-approved power supply. Use of a non-Handheld-approved power supply may be dangerousand the warranty does not cover damage to the device caused by non-Handheld-approved power supply. Thepackage includes international AC plugs. The AC plugs must be plugged in the power supply before the powersupply itself is plugged on the wall outlet. The power supply is intended to be correctly oriented in a vertical orhorizontal or floor mount position.