Outside Speaker Level DAY/NIGHTThe Outside Speaker audio level can be set up. Day/Night setup can be made by button operation at the front panel ofthis unit.3. PRECAUTIONSThis center module is a sensitive device and should be regarded as such.If handled carelessly, the hazard of electric shock may exist. In order to utilize the instrument to its fullest potential, pleaseconsider the following precautions.1. Handle the equipment with care. This equipment contains sensitive components that can be damaged by improperhandling or storage.2. Refer any servicing to qualified service personnel. Do not attempt to disassemble the center module, order takerunit, or other units. In order to prevent electrical shock, do not remove screws or covers. There are no user-serviceableparts inside.3. Use a dry cloth to clean the center module, order taker unit, or other units if soiled or dirty. If necessary, a milddetergent may be used.4. Take immediate action if the center module or order taker unit becomes wet. Turn the power off and have the unitexamined by qualified service personnel. Do not expose the center module or order taker unit to rain or moisture. Donot operate the equipment if it is wet.5. Follow normal safety precautions to avoid personal injury.6. Properly store the order taker unit (WITH HEADSET PLUGGED IN) in the order taker unit case to prevent damageto equipment.7. Replace a missing microphone cover and ear speaker cover of the headset with a new one to prevent distortion orloss of audio.8. Repair or replace any defective components.9. Turn off the order taker unit when not in use. This will help save the battery life.10. When the power indicator lights up in red and a pulsing beep tone is heard in the headset, charge battery to theorder taker unit (if using WX-T3020 in combination with WX-H3027) or all-in-one headset (if using WXH3050).11. Clean the battery charger of the order taker unit or all-in-one headset in accordance to the manufacturerinstructions at least once a month. (Refer to the operating instructions of the battery charger.).12. Perform regular preventive maintenance by testing accessories (headset and batteries, etc.).