- 4 -zz Reading the ManualSymbolsNotez These are cautions and restrictions for the correct operation of the device. Make sure to read to avoid misoperation.Memoz Knowledge of the information before using the device is useful and can act as a reference. Reading is recommended.Referencez These are the reference pages. Read to learn detailed information and relevant information.DANGERz Mishandling due to ignoring this display may cause death or serious injury.WARNINGz Mishandling due to ignoring this display may cause death or serious injury.CAUTIONz Mishandling due to ignoring this display may cause personal injury.Keys, Buttons, and SymbolsThis chapter described the following keys, buttons, and symbols.Inscription Explanation[ ] button/keyz The control panel buttons and 10-key pad are described below.E.g.:[OK] button [BACK] button[Fn] key [CLEAR] keyz Indicates your PC keyboard.[ ] z Describes the menu name on the liquid crystal panel.z Describes the PC menus, windows, and dialog box names." "z Describes the messages and input text displayed in the liquid crystalpanel.z Describes the file and screen names on the PC.z Describes the reference title.> Describes the menu level of the device or PC.