How do I adjust the Model 175 for the Daylight Saving Time Change (DST)?

Knowledge Base

How do I adjust the Model 175 for the Daylight Saving Time Change (DST)?

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General Information

Although the 175 is already running on a lithium battery when you receive it, the clock must be plugged in to a steady power source in order to perform any of the following functions.

To program the machine, remove the case to access the five tactile switches, SW5 to SW1, located below the LCD display. Note that pressing and holding these switches will cause the setting options to advance faster.

Illustration showing the location of the five tactile programming switches

Setting the DST Start Date

When Daylight Saving Time is set, the clock will automatically advance one hour on the designated starting date and subtract one hour on the ending date.

Press the [SW5:MODE] key three times. The Start Daylight Saving arrow flashes. Illustration showing the first step of setting the starting daylight savings time
Press the [SW4:YEAR] key until the current year is displayed. Illustration showing the setting of the starting year for DST
Press the [SW3:HOUR/MONTH] key until the desired start month is displayed. If you are setting the standard U.S. Daylight Saving Time, this should be the month of March. Note: if you do not use the Daylight Saving Time function, set the month value to 00. Illustration showing the setting of the start month for DST
Press the [SW2:MINUTE/DAY] key until the desired start day is displayed. If you are setting standard U.S. Daylight Saving Time, this should be the second Sunday in March of the current year. Illustration showing the setting of the start date for DST
Verify that the desired start year, month, and day are displayed on the LCD. Then press the [SW1:SET] key. Illustration showing the setting of DST start date
Press the [SW1:SET] key again. Illustration showing confirming of DST start date

Setting the DST End Date

Press the [SW5:MODE] key four times. The End Daylight Saving arrow flashes. Illustration showing the first step of setting the ending daylight savings time
Press the [SW4:YEAR] key until the current year is displayed. Illustration showing the setting of the ending year for DST
Press the [SW3:HOUR/MONTH] key until the desired end month is displayed. If you are setting the standard U.S. Daylight Saving Time, this should be the month of November. Illustration showing the setting of the end month for DST
Press the [SW2:MINUTE/DAY] key until the desired end day is displayed. If you are setting the standard U.S. Daylight Saving Time, this should be the first Sunday of November of the current year. Illustration showing the setting of the end date for DST
Verify that the desired end year, month, and day are displayed on the LCD. Then press the [SW1:SET] key. Illustration showing the setting of DST end date
Press the [SW1:SET] key again. Illustration showing confirming of DST end date

Setting the Time Manually

Press the [SW5:MODE] key once. The Hour Minute arrow flashes. Illustration showing the first step of setting the time
Press the [SW3:HOUR/MONTH] key until the correct hour is displayed. The seconds are automatically reset to 00. Illustration showing the setting of the hour
Press the [SW2:MINUTE/DAY] key until the desired minutes are displayed. Illustration showing the setting of the minutes
Verify that the desired time is displayed on the LCD. Then press the [SW1:SET] key. Illustration showing the setting of time
Press the [SW1:SET] key again. Illustration showing confirming of time

Important: if you do not press the [SW1:SET] key a second time, the clock will not print.

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

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