Cummins/Onan — Set for Daylight Savings Time
Operation · Exerciser/change-over clock
From a Cummins/Onan service manual — check it applies to your exact model before use.
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Procedure
- Press (Menu) once; if SET is flashing, press (OK).
- If TIME/DATE is flashing, press (+) once to make SU WI flash.
- Once SU WI is flashing, press (OK).
- Press (-) or (+) to choose EU, US, no SU:WI, or SPECIAL.
- Press (OK) to confirm the selection.
- For SPECIAL, use (-)/(+) to set start day, month, year and end day, month, year, pressing (OK) after each.
Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.