Radio clock not receiving signal?

Yesterday, I bought a TFA Dostmann radio-controlled alarm clock. My plan was to place it on the shelf below the TV as a living room clock, but the clock still isn't receiving a radio signal, even after several attempts.

The instructions state that it would be best to place the clock "1.5 to 2 meters away from devices such as televisions and laptops" because these devices could otherwise interfere with the signal.

But can the TV really interfere with reception to such an extent, even when it is in standby mode (i.e. the screen is off and no TV program is on)?

(2 votes)
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Transistor3055
1 year ago

The DCF77 receiver in the clock is not constantly active, would he have let the batteries of the watch go empty quickly. Thus, the receiver makes a reception attempt shortly after Creating of batteries. And then probably only 1 – 5 times a day.

My suspicion:

You must have put the batteries and then kept the alarm clock in your hands for an unusually long time. It is understandable that you want to try all buttons + menus.

However:

With the “closing” with your hands (or body) you have the DCF77 receiver in the 1. Try (shortly after the battery has been installed) considerably debrised (your hands, as well as other metallic obstacles, make a radio shadow). Thus the first attempt has not succeeded. See how often the DCF77 receiver starts another attempt.

Yes, obstacles can deteriorate the reception. The window is advantageous. Hidden behind devices is unfavourable. The DCF77 transmitter in Maintainers actually has a good range of at least 2000 km (https://de.wikipedia.org/wiki/DCF77).

My proposal:

  1. Remove batteries + wait (30sec)
  2. Restore batteries now
  3. Immediately place your watch on the window bench

That should work. Otherwise, wait several days on the window bench and wait.

Good luck!

ThomasM1982X
1 year ago

But can the TV really disturb the reception even if it is in standby mode?

Not only the TV, also other flat screens, smartphones, Alexa, Google Dot, even the LED lights or even LED strips can interfere with the reception.

Put the radio alarm on the balcony and wait 5 minutes. Turn the alarm clock to Frankfurt/Main and wait 5 minutes again.

If he does not show the correct time in any of these attempts, he may be defective.

Is there anything to be seen on the display? Were characters or the like?

ThomasM1982X
1 year ago
Reply to  frostfeuer85

Then the DCF77 receiver is defective.

NackterGerd
1 year ago
Reply to  ThomasM1982X

Turn the alarm clock to Frankfurt/Main and wait 5 minutes again.

🤣😂

The direction doesn’t matter.

But re-enter Baterie – otherwise nothing happens in the 5 minutes

Blindipop
1 year ago

It can take hours until the clock has set to the signal. That would be a reflection!!

Put them so that they can also receive it. You can do this without “guide”.

Good luck!

csor77
1 year ago

Put the watch on the window so that it can stand once and then hang it up where to go.
To change summer/winter time, it comes to the window.

The radio signal for watches is similar to GPS not well received everywhere.

SirPeterGriffin
1 year ago

You can find out if you’re going anywhere else.

IchDirk
1 year ago

Didn’t you even try another place?

It could really be a defect

NackterGerd
1 year ago

Reinstall the battery and put it in the window

The house or walls can also interfere.

Rosswurscht
1 year ago

Put her on the window bench for a day and see if she gets a signal there.