Mitsubishi Electric L02SCPU User's Manual And Reference page 266

(3) Operating procedure
The following is the procedure for setting the clock data.
"Clock setting" screen
"Clock setting confirmation" screen
"Clock setting completion" screen
264
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
1.
Move the cursor using the  and  buttons,
increase or decrease a time value using the  and
 buttons, and press the
2.
Select "YES" using the  and  buttons and press
the button.
OK
3.
When the setting is completed, either of the screens
shown left appears.
To return to the "CPU settings" screen, press the
button.
button.
OK
OK