Komatsu H75051 Operation & Maintenance Manual page 148

EXPLANATION OF COMPONENTS
1.
Select "Calendar" from the "Clock Adjustment" menu, then
press ENTER switch (4).
REMARK
As long as "ON" is selected for the "GPS Synchronization",
"Calendar" is not selectable.
2.
The "Calendar" screen is displayed.
When year display (A) is highlighted in yellow, operate the
switches as follows to change year display.
When it is not necessary to change the year setting, press
ENTER switch (4).
(1) UP switch
Advances calendar one year.
(2) DOWN switch
Puts calendar back one year.
(3) RETURN switch
Cancels the change and returns the screen to "Clock Adjustment" menu.
(4) ENTER switch
Proceeds to setting for month.
3.
When month display (B) is highlighted in yellow, operate
the switches as follows to change month display.
When it is not necessary to change the month setting,
press ENTER switch (4).
(1) UP switch
Advances calendar one month.
(2) DOWN switch
Puts calendar back one month.
(3) RETURN switch
Cancels change and returns to setting for year.
(4) ENTER switch
Proceeds to setting for day.
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OPERATION