11. EXPLANATION OF COMPONENTS The following is an explanation of the devices needed for operating the machine. To carry out suitable operations correctly and safely, it is important to understand fully the methods of operating the equipment and the mean- ings of the displays. 11.1 MACHINE MONITOR A. BASIC CHECK ITEMS (11.1.1) This displays the basic items that should be checked before starting the engine. If there is any abnormality, the appropriate monitor lamp will flash. NOTICE When carrying out checks before starting, do not simply rely on the monitor. Always refer to the periodic maintenance items or 12. “ OPERATION” to carry out the checks. PC450-ENG 2-4