6Getting StartedIdentifying External ComponentsParts of the PhoneHOOK SWITCH:Switches the phone off/on hook.LCD Screen: Presents on-line messages and configuration settings.HOLD INDICATOR: On when the HOLD function is in effect.FUNCTION: Selects configuration menus.REVIEW UP/DOWN: Move foward and backward through menu items;move the cursor up and down.DELETE: Deletes the character to the left of the cursor.123456