READY— SET— GOScroll Lock/Break When you press this key and hold down theCtrl key the command program stops running.0,1,2,3,4,5,6,7,8,9 These keys work interchangeably with thetypewriter keypad numeric keys to performnumeric data entry. Use the shift key or theCaps Lock key with the numeric key to typethe upper characters on these keys.Del . With the Num Lock activated the Del .keyplaces a decimal point in your numericoperation.— You use the minus key in numeric functions.+ You use the plus key in numeric functions.Figure 2-12 Numeric KeysAN OUNCE OF PREVENTIONGood operating habits are an ounce of prevention, and in the care anddaily operation of your computer, it is certainly worth a pound ofcure. So take time to read the Maintenance and Troubleshootingchapter and learn to prevent problems as well as detect them.Human ErrorProtect yourself from human error:2-18 OWNER S MANUAL