Dell OptiPlex 160L Setup and Quick Reference Guide - Page 12
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www.dell.com | support.dell.com K1197bk0.book Page 10 Thursday, May 15, 2003 8:16 AM When Using Your Computer As you use your computer, observe the following safe-handling guidelines. CAUTION: Do not operate your computer with any cover(s) (including computer covers, bezels, filler brackets, front-panel inserts, and so on) removed. • Your computer is equipped with one of the following: - A fixed-voltage power supply - Computers with a fixed-voltage power supply do not have a voltage selection switch on the back panel and operate at only one voltage (see the regulatory label on the outside of the computer for its operating voltage). - An auto-sensing voltage circuit - Computers with an auto-sensing voltage circuit do not have a voltage selection switch on the back panel and automatically detect the correct operating voltage. - A manual voltage selection switch - Computers with a voltage selection switch on the back panel must be manually set to operate at the correct operating voltage. Set the switch to the position that most closely matches the voltage used in your location. NOTICE: To help avoid damaging a computer with a manual voltage selection switch, set the switch for the voltage that most closely matches the AC power available in your location. For Japan, the voltage selection switch must be set to the 115-V position even though the AC power available in Japan is 100 V. Also, ensure that your monitor and attached devices are electrically rated to operate with the AC power available in your location. • Before working inside the computer, unplug the computer to help prevent electric shock or system board damage. Certain system board components continue to receive power any time the computer is connected to AC power. 10 Setup and Quick Re ference Guide