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If your cuckoo runs too fast or slow, the best way to correct this problem is to set your cuckoo to an accurate watch or clock. After 24 hours, record how many minutes your cuckoo is running too fast or slow. Then adjust the bob up or down the pendulum stick to change the pendulms effective length. You'll need to take an educated guess as to the distance. Reset the cuckoo minute hand time to your watch or clock again. Repeat this process every 24 hours, recording the results, and readjusting the bob until you are within 3 minutes of the correct time. Then, switch from recording every day to recording every week. Use the same process described, recording the time difference, adjusting the bob up or down every week, until the cuckoo is accurate within approximately 3 minutes per week. Remember, mechanical cuckoo clocks are not as accurate as quartz or electric clocks! A three minute error per week is not bad. Maybe you can do better. What you are attempting to do is to obtain is the best timekeeping possible from your cuckoo clock. Afterwards, you will still need to sychronize the cuckoo (coo coo) clock minute hand to an accurate clock or watch, each week or as desired.
Typically, you have to hold down a "Time" or "Clock" button, then press either a fast or slow button and hold it until the display reads the correct time. Some models have hour and minute buttons instead of fast or slow, and a few have a slide switch that you move to the clock adjust position (it would also have an alarm set position) before the hour/minute or fast/slow buttons are enabled. Some clocks reset to 12:00 AM if you hold Clock, Fast and Slow all at the same time. You'll just have to experiment a bit to find out what works on yours.
easiest way to set clock time. Remove AA battery's if installed.
Unplug Clock from AC. Wait a few seconds. Then replug clock into AC power. Clock will now flash 12:00. Press hours button until correct time is set PM has led on AM has Led off. Set minutes to correct minutes. Then press alarm reset / power/mode button. Wait a few seconds and display will show correct time. Now you can put the AA batteries back in.
I have the same clock radio and I found out that you have to hold down the button and run through the times. The hour will change with the minutes. It goes pretty fast once you hold down the button, so I stop when I get close (like within 20 minutes of where I need it to be) and then click it one minute at a time until it's at the right time.
Do you mean you set the correct time initially and then gradually got faster?There may be a reset button on it somewhere,no guarantee.It will probably be a small circle that doesn't look like anything.If there is,press it with a sharp pencil or something just as small.If not,it's just the nature of the beast.I have a radio which slows down over time...and it's a BOSE wave radio and have to adjust periodically!That's about all you can do is deal with it.Sorry if you can't fix it. Good luck!
This solution from the answers below worked on my model 40007 clock today: If you hold down the button on top that says DST for like 10 seconds it will allow you to force change the time. Thanks. wd 11/21/2010
Make sure the clock is in standby mode, as opposed to playback mode. Press time set button — the clock digits will blink. If they don't, you're in playback mode. Press the hour button to adjust the hour. Press the minute button to adjust the minute. Press time set button to confirm the time.
I'm not on this field of expertise but I could try giving you some tips.
These cloks work by dividing the natural oscilations of a quartz cristal in the corresponding way to form "1 second". A quartz cristal like the one in your clock will oscilate at about 14080236 times per second. Your clock uses a specialised chip in order to count these oscilations and know they form "1 second". However, the problem is the following. These clocks doesn't compensate for frequency variation over the mains power line. You should always look firts at it's power ratings and determine if it requires 50Hz or 60Hz. Even if you use an adaptor to raise/lower the tension from 110 to 220 v or viceversa, this woun't correct the problem as the adaptor will leave the frequency unchanged.
Unfortunately in order to make the required adjustments you woun't need a resistor or capacitor, but a whole bunch of them in order to make a frequency divider-convertor that's stable enough to give your clock a fixed time reference. One more thing, not all components have exactly the parameters noted on them. There's another thing called Tolerance. A 1Kilo Ohm resistor with 10% tolerance (most comon tolerance) can have any value with +/- 10% of it's noted parameters, and in this example, could have any value between 900 ohm - 1100 ohm. These clocks will need components with a very strict tolerance in order to have an acurate time reference.
Note that they aren't atomic clocks, they simply use a larger chip that includes most of the clock, time reference, frequency analyser and divider. An atomic clock doesn't use quartz cristals, instead it relies on the natural oscilations of the very precise Cesium izotope atom. The rest of the atomic clock is made up in a similar way as usual clocks (more fixed and small tolerance of course :) ).