RADIO-CONTROLLED JUMBO WALL CLOCK EFWU 1601
OPERATING INSTRUCTIONS
Item no. 672717 / Version 03/12
INTENDED USE
This product is intended for displaying the time, calendar dates and indoor and out-
door temperature.
The time is set automatically using an integrated DCF receiver. The outdoor sensor
transmits the measured temperature via radio signal to the wall clock where the
temperature is displayed.
Always observe the safety instructions and all other information included in these
operating instructions.
This product complies with the applicable National and European regulations. All
names of companies and products are the trademarks of the respective owners. All
rights reserved.
PACKAGE CONTENTS
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Jumbo Radio Wall Clock
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Outdoor sensor
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Operating Instructions
SAFETY INSTRUCTIONS
Please read all of the operating instructions before using the product
for the fi rst time; they contain important information about the cor-
rect operation. The warranty will be void in the event of damage caused
by failure to observe these safety instructions! We do not assume any
liability for any consequential damage!
Nor do we assume any liability for material and personal damage caused
by improper use or non-compliance with the safety instructions! In such
cases, the warranty will be null and void.
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For safety reasons, any unauthorised conversion and/or modifi cation of the
product is not permitted. Never dismantle the product.
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The wall clock is only intended for operation in dry indoor locations. The outdoor
sensor is water-resistant and therefore, it can be mounted in outdoor areas.
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This product is not a toy and does not belong in the hands of children. Only use
the product out of the reach of children; the product contains parts that can be
swallowed as well as batteries.
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Condensation may form when the product is brought from a cold room into a
warm one. Wait until it has reached room temperature before using it.
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Do not leave the packaging materials unattended. They may become dangerous
playthings for children.
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Handle the product with care; it can be damaged by impacts, blows, or accidental
drops, even from a low height.
NOTES ON BATTERIES AND RECHARGEABLE
BATTERIES
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Batteries/rechargeable batteries do not belong in the hands of children.
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Do not leave batteries/rechargeable batteries lying around; there is a risk that
they could be swallowed by children or pets. If swallowed, consult a doctor
immediately.
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Leaking or damaged batteries/rechargeable batteries in contact with the skin
can cause acid burns, therefore, use suitable protective gloves.
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Batteries/rechargeable batteries must not be short-circuited, opened or thrown
into a fi re. There is a risk of explosion!
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Do not recharge normal, non-rechargeable batteries, risk of explosion! Only
charge rechargeable batteries that are intended for this purpose; use suitable
rechargeable battery chargers.
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Check that the polarity is correct when inserting the batteries/rechargeable
batteries (pay attention to plus/+ and minus/-).
SETUP/WALL MOUNTING
The clock can be stood on a surface or hung on the wall. The outdoor sensor is
mounted to the wall using the bracket included in the delivery.
To ensure a correct DCF and radio reception, the clock should not be placed/mounted
next to electronic devices, cables, metal parts, etc.
Setting up the clock
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Fold out the support on the back of the housing.
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Place the clock on a horizontal, skid-proof and stable surface.
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Protect valuable furniture surfaces by using a suitable underlay; otherwise, it
may cause scratch marks.
Mounting the clock on a wall
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There is a suspension eye on the back of the device for wall mounting.
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Fasten the clock in place with a screw that protrudes a few millimetres from the
wall.
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Then hang the clock on the screw head with the suspension eye.
Mounting the outdoor sensor on a wall
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Fasten the wall bracket enclosed using a screw.
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Attach the outdoor sensor including the corresponding lugs on the housing to
the bracket and lock it in place.
INSERTING/REPLACING BATTERIES/
RECHARGEABLE BATTERIES
To ensure a smooth synchronisation between the wall clock and outdoor sensor,
insert the batteries of the outdoor sensor fi rst and then the batteries of the clock.
Outdoor sensor
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Remove the sensor from the wall bracket and push open the battery compart-
ment lid on the back of the housing.
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Insert two new batteries of type AAA/micro, observing the correct polarity. The
correct polarity is indicated in the battery compartment.
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Close the battery compartment again.
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Attach the outdoor sensor to the bracket again and lock it in place.
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The batteries must be replaced if a battery symbol appears in the outdoor tem-
perature display of the wall clock.
Wall clock
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Open the battery compartment on the back of the housing and insert two
batteries of type AA/Mignon, observing the correct polarity. The correct polarity
is indicated in the battery compartment.
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Close the battery compartment again.
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The batteries must be replaced if a battery symbol appears in the time display.
The use of rechargeable batteries is possible. The lower voltage (recharge-
able battery = 1.2 V, battery 1.5 V) and lower capacity, however, will reduce
the life span.
INITIAL OPERATION
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Shortly after the batteries are inserted in the clock and the outdoor sensor, the
fi rst reception search for the DCF signal occurs. After a successful reception of
the signal, the outdoor temperature will be displayed.
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Afterwards, the search for the DCF signal is performed.
The detection of the DCF signal and its evaluation may take several minutes.
Do not move the clock, during this time. Do not press any buttons!
Bad reception can be caused, for example, by metalized insulated glass, rein-
forced concrete buildings, coated special wallpapers, proximity to electronic
devices, or installation in cellars.
If the current time is not displayed after 10 minutes, change the position of
the clock and start a manual attempt to detect the signal (see next chapter).
This will start a new reception attempt.
The reception attempt for the daily automatic synchronisation with the DCF time is
done several times a day. One successful reception per day is suffi cient to keep the
deviation to less than 1 second.
The DCF signal is encoded and transmitted via a
DCF transmitter in Mainfl ingen (near Frankfurt).
Its range is up to 1,500 km and, under ideal recep-
tion conditions, even up to 2,000 km.
Among other things, the DCF signal includes the
precise time (theoretical deviation of 1 second in a
million years!) and the date.
Naturally, this also eliminates the hassle of manu-
ally setting summer and winter time.
1500 km
2000 km
