Dell MTC2 User Manual

Also see for Dimension 2400 Series: Installation instructions Quick setup guide Quick setup guide Owner's manual Installation guide

Contents

w w w . d e l l . c o m | s u p p o r t . d e l l . c o m10 CAUTION: Safety Ins tr uctionsSAFETY: When Using Your ComputerAs 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 selectionswitch on the back panel and operate at only one voltage (see the regulatory label on the outside of thecomputer for its operating voltage).– An auto-sensing voltage circuit — Computers with an auto-sensingvoltage circuit do not have a voltage selection switch on the backpanel and automatically detect the correct operating voltage.– A manual voltage selection switch— Computers with a voltageselection switch on the back panel must be manually set to operateat the correct operating voltage. Set the switch to the position thatmost 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 voltagethat most closely matches the AC power available in your location. For Japan, the voltage selection switch must be setto the 115-V position even though the AC power available in Japan is 100 V. Also, ensure that your monitor and attacheddevices 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.