11. EXPLANATION OF COMPONENTS 11.1.5 E: SWITCHES 1. WORKING MODE SELECTOR SWITCH (Basic mode) This switch is used to set the movement or power for the work equipment. By selecting the mode to match the working conditions, it is possible to carry out operations more easily. H.O. (heavy-duty operation mode) lights up: This is used for heavy-duty work. G.O. (general operation mode) lights up: This is used for ordinary work. F.O. (finishing operation mode) lights up: This is used for leveling or grading work. L.O. (lifting operation mode) lights up: This is used for fine control operations. B.O. (breaker operation mode) lights up: This is used for breaker operations.
H/O G/O F/O L/O B/O H M AD157770 When starting the engine, G.O. (general operation) mode is auto- matically selected. Each time the switch is pressed, the mode selection changes. If it is desired to set to automatic setting (optional default setting) of the H.O. mode when the engine is started, please contact your Komatsu distributor to have the setting changed. NOTICE When using the breaker, do not set to the H/O mode. REMARK The H switch is used for changing the hour when setting the time. The M switch is used for changing the minute when setting the time. For details, see “11.1.4 5. DISPLAY”. 2-12