How do I adjust the ES1000 Atomic time recorder for Daylight Saving Time (DST)?

Estimated reading time: 1 min

Basic programming instructions

To enter the program setting mode, make sure the AC cord is plugged into an AC outlet and remove the cover. There are three buttons used to program the ES1000.

Illustration of the programming buttons

Function of control buttons

+ Changes the value of the setting, incrementing up by one.
- Changes the value of the setting, incrementing down by one.
[NEXT]: Scrolls to the next setting.

The ES1000 provides on-screen guidance for programming. Follow the on-screen prompts to set the clock options to your preferences. Refer to your user manual if you need more information.
[Click here to view or download User Manual].

Setting Daylight Saving Time

Daylight Saving Time Function

DST Execution Time: At 2:00 a.m. on the first day of Daylight Saving Time, the clock automatically gains one hour to show 3:00 a.m. When 3:00 a.m. comes on the last day of the Daylight Saving Time, it loses one hour and returns to 2:00 a.m.

Setting DST: The clock offers three DST modes.

Automatic (Factory default) DST is automatically set from the atomic clock signal.
Manual If you are not receiving the atomic clock signal, you can use this option to manually set the days for the starting and ending of Daylight Saving Time. Note the ES1000 features a built-in perpetual calendar. The unit will remember the start and end dates you set, and automatically update the settings every year thereafter. No further manual setting is necessary unless you need to change your DST schedule. If you select this option, press [NEXT] and follow the display prompts to enter the start/end dates for the current year’s DST.
Off Use this option to turn DST changes off if you do not observe Daylight Saving Time.

RECOMMENDED If your clock is receiving atomic signals and you observe the U.S. standard Daylight Saving Time change, simply leave the clock’s DST mode set to the default of Automatic. The clock will automatically adjust for DST on the second Sunday of March and the first Sunday of November every year based on the NIST WWBV Signal.

In this event, no further setting is necessary for Daylight Saving Time. The clock will handle the change automatically.

To return the clock to normal operations, replace the front cover.

For more information, refer to your User Manual. [ download PDF version ]

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