20 Most Recent Emerson SmartSet CKS1850 Clock Radio Questions & Answers


unplug the clock radio from the power, take out the back up battery ( if it has one). let it set for 60 seconds or so, plug it back in, It should now be flashing 12:00 over and over. now reset the clock to the correct time and date.

Emerson SmartSet... | Answered on Mar 08, 2015


Unfortunately, you can't reset the firmware of the clock for those built before Jan 2006; you can work-around the issue. You will need to change time zones for the few weeks between the current daylight savings start and end dates and the ones that were built into the clock. For details see: http://www.emersonradio.com/dst.htm ; click on the link for Group 1.

If the unit was built before Jan 2006 (the serial number will start with a value less than 6), switch the time zone to the next one further east on the second Sunday of March, then set it back to your correct time zone on the first Sunday of April. Repeat this on the last Sunday of October and the first Sunday of November. (If you are in the Eastern time zone (zone 2), set the switch to zone 1.)

If the unit was built between Jan 2006 and July 2006 (serial numbers that start 601 to 606), then you can change the start and end dates for DST. See: http://www.emersonradio.com/dst.htm then choose the Group 2 link. Press and hold the Alarm 1 button then press the Month/Date or Calendar button. After three seconds the unit will display the start date for daylight savings. Press and hold the Alarm 1 and Month/Date or Calendar buttons. When the display is flashng (within 5 seconds from the press and hold step), press the Down or Set button (depending on the SmartSet mode) three times until the display reads 3 and F2 (alternating with the date of that Sunday).

For the end date, press and hold Alarm 2 then press the Month/Date or Calendar button. Then press and hold Alarm 1 and the Month/Date or Calendar button. Again within 5 seconds, press the Up button or Set until the display shows 11 and F.

If the display stops flashing, repeat and set the new dates faster.

You'll have to repeat this is the battery is removed or replaced.

I hope this helps.

Cindy Wells

Emerson SmartSet... | Answered on Mar 15, 2011


You will need to manually change your time zone for a few weeks (to compensate for the schedule the unit enters and leaves DST) It's a side effect of changing DST laws.

Looking at the first three digits of your serial number, your unit was manufactured in December of 2004. Thus you need to:

Step 1 On the second Sunday in March you would have to set your clock to the next lowest number time zone.

For example: If you lived in the Eastern Time zone (Zone 2) you would then change your clock to Zone 1 to move it ahead by one hour.

Step 2 On the first Sunday in April, your clock will automatically advance by one hour. You must then set the clock back to your correct time zone.

For example if you lived in the Eastern Time zone you would set your clock back to Zone 2.

Step 3 On the last Sunday in October you would again set your clock to the next lower numbered time zone.

Step 4 On the first Sunday in November you would again set your clock back to your correct time zone.

http://www.emersonradio.com/dst.htm has the details.

There is no CLK1850 that I am aware of. The SmartSet series will let you manually adjust the minute if you press and hold the Time button and then press the up or down buttons. Shifting the time zone setting is easier than manually changing the time on those four days.

The manual for the CKS1850 is here: http://www.emersonradio.com/owners/SmartSet%20Series/CKS1850-1851_072706.pdf . Most Emerson manuals are here: http://www.emersonradio.com/owners .

I hope this helps.

Cindy Wells

Emerson SmartSet... | Answered on Mar 13, 2011

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