Komatsu PC138USLC Operation & Maintenance Manual page 121

DETAILED CONTROLS AND GAUGES DETAILED CONTROLS AND GAUGES
3. Select the language to use for the display, then press switch
F6. The screen display changes to the selected language.
On the language selection screen, it is possible to carry out
the following operations with switches F3 to F6.
F3: Moves to item below.
F4: Moves to item above.
F5: Cancels change and returns to user menu screen.
F6: Accepts change and returns to user menu screen.
Adjusting Economy Mode
With this economy mode, the engine output can be adjusted to improve the fuel consumption in E mode.
1. On the standard screen, press switch F6.
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OPERATION OPERATION