1. Introduction3Graphical symbols for use on equipment and their descriptions1. Alternating current (A.C.) 2. Direct current (D.C.) 3. Protective earth 4. Protective bonding earth 5. Functionalearth 6. For indoor use only 7. Class P equipment (equipment in which protection against electric shock relies onDouble Insulation or Reinforced Insulation) 8. "ON" (power) 9. "OFF" (power) 10. Stand-by (power) 11. "ON"/"OFF"(power; push-push) 12. Caution, risk of electric shock1.4 Symbols, expressions, and stylesThe following symbols, expressions, and styles are used in this document.1 2 3 4 5 67 8 9 10 11 12Item How it is expressed ExampleText displayed on theproduct’s displayText is displayed in a specialfont, usually enclosed inquotation marks“Initial settings”Icons displayed on theproduct’s displayBlack-and-white illustration oficon is usedButtons with printing onthem or near themButton printing is displayed,usually wrapped in thickbracketsM NM NSoft keys Black-and-white illustration ofthe corresponding soft key iconis usedNavigator key (submonitor only)Either referred to by name, orwith a black-and-whiteillustrationR "Use the navigator key to select..."R "Press to select..."R "Select..."Procedures Usually written in an abbreviatedstyle. The verb may be omitted.Unless otherwise stated, allprocedures are for both the mainmonitor, extension monitor, andsub monitor.Main monitor/extension monitor example→ “Display” → →“Brightness”R Meaning:Press the soft key under the displayedsoft key icon, press the soft keysunder the displayed andsoft key icons to select “Display”, pressthe soft key under the displayed softkey icon, and then press to select“Brightness”.Sub monitor exampleM N → “BRIGHTNESS” → (OK) →select the desired setting.R Meaning:Press the M N button, use the navigatorkey to select “BRIGHTNESS” on the display,and then press the navigator key (OK).