support.dell.comDell Precision WorkStations System Information Guide 1-9Battery DisposalYour computer system uses a lithium battery. The lithium battery is a long-life battery, andit is very possible that you will never need to replace it. However, should you need toreplace it, refer the section about replacing the battery in your Dell system documentationfor instructions.Do not dispose of the battery along with household waste. Contact your local wastedisposal agency for the address of the nearest battery deposit site.EN 55022 Compliance (Czech Republic Only)This device belongs to Class B devices as described in EN 55022, unless it is specificallystated that it is a Class A device on the specification label. The following applies to devicesin Class A of EN 55022 (radius of protection up to 30 meters). The user of the device isobliged to take all steps necessary to remove sources of interference to telecommunicationor other devices.VCCI Notice (Japan Only)Most Dell computer systems are classified by the Voluntary Control Council forInterference (VCCI) as Class B information technology equipment (ITE). However, theinclusion of certain options can change the rating of some configurations to Class A. ITE,including peripherals, expansion cards, printers, input/output (I/O) devices, monitors, andso on, integrated into or connected to the system, should match the electromagneticenvironment classification (Class A or B) of the computer system.To determine which classification applies to your computer system, examine the regulatorylabels/markings (see Figures 1-1 and 1-2) located on the bottom or back panel of yourcomputer. Once you have determined your system’s VCCI classification, read theappropriate VCCI notice.Class A ITEThis is a Class A product based on the standard of the Voluntary Control Council forInterference (VCCI) for information technology equipment. If this equipment is used in adomestic environment, radio disturbance may arise. When such trouble occurs, the usermay be required to take corrective actions.(VCCI)A1783PA02-en.pm6 1999/12/31, AM 10:289