Technoline DCF-77 Bedienungsanleitung
RADIO CONTROLLED PROJECTION
ALARM CLOCK
Instruction manual
INTRODUCTION:
Congratulations on purchasing this innovative Projection alarm clock which displays indoor temperature
and humidity and also outdoor temperature (by 433MHz transmission). It is further acting as a DCF-77
radio controlled clock with an alarm. With the totally 15 different weather forecast icons featured by
"weather man", users can easily observe the forecast weather condition and will no longer worry the
sudden weather change. To enjoy the full benefits of this innovative product, please read this operating
manual.
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Battery
compartment
Stand
A
dapter
socket
Function
keys
LCD
y
Displa
TEMPERATURE TRANSMITTER:
Holde
r
FEATURES
• Radio-controlled time and date
• Projection of time and outdoor temperature
• Weather forecasting with 15 easy-to-read weather forecast signs featured by weather man
• Displays time with seconds, indoor temperature & humidity
• Display outdoor temperature
• Time alarm with snooze
• EL backlight
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TO INSTALL AND REPLACE BATTERIES INTO THE PROJECTION ALARM
The Projection Alarm uses 2 x AA, IEC LR6, 1.5V batteries. To install and replace the batteries, please
follow the steps below:
1. Insert finger or other solid object in the space at the
bottom center of the battery compartment and lift up to
remove the cover.
2. Insert batteries observing the correct polarity (see
marking).
3. Replace compartment cover.
In addition or instead of inserting batteries, the AC adapter can be used:
1. Connect the power adapter to a wall socket
2. Insert the adapter into the jack at the bottom of the clock
3. The Projection clock will now start receiving the DCF time signal. After approximately 3 to 5 minutes,
the DCF time will be displayed (Also see "SETTING UP" below) .
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Important!
Use only the adapter provided with the projection clock and make sure that your household voltage is
appropriate to the working voltage of the transformer. Otherwise your Projection clock may be damaged.
POWER SUPPLIED BY BATTERIES AND AC/DC ADAPTER
If the Projection clock is first powered by batteries and the power adapter is subsequently used for
extended period of time, the main power source of the Projection clock will switch to AC/DC power. The
batteries will then act as a backup power source in case of power failure.
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TO INSTALL AND REPLACE BATTERIES IN THE TEMPERATURE TRANSMITTER
The Temperature Transmitter uses 2 x AA, IEC, LR6, 1.5V batteries. To install and replace the batteries,
please follow the steps below:
1. Remove the cover.
2. Insert the batteries, observing the correct polarity (see marking).
3. Replace the battery cover on the unit.
SETTING UP
1. First, insert 2 x AA, IEC LR6, 1.5V batteries into the projection clock. Once the batteries are in place,
all segments of the LCD will light up briefly. Then the indoor temperature, the time as 0:00, will be
displayed. If the indoor temperature is not displayed after a few seconds, remove the batteries and
wait for at least 30 seconds before reinserting them. Once the indoor data is displayed proceed to
step 2.
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2. Within 1-1/2 minutes of activating the Projection clock, place 2 x AA, IEC LR6, 1.5V batteries into
the transmitter.
3. After a few seconds of inserting the batteries into the transmitter, the projection clock will start
receiving data from the transmitter. The remote temperature will then be displayed on the clock. If
this does not happen after 2 minutes, the batteries will need to be removed from both units and reset
from step 1.
4. When the transmitter is set up, there is a testing period. Then DCF-77 time code reception is
automatically started just after the clock is activated. This takes typically between 3 - 5 minutes in
good conditions. This time period is an excellent opportunity to locate the transmitter in suitable
location outdoors. In order to ensure sufficient 433 MHz transmission however, this should under
good conditions be no more than 25 meters from where the Projection clock will be finally positioned
(see notes on “POSITIONING THE OUTDOOR TRANSMITTER” and “433 MHZ RECEPTION”).
5. If after 10 minutes the DCF time has not been received, use the MODE/ MIN key to manually enter a
time (and date) initially. The clock will automatically attempt each hour to receive the DCF time.
When this is successful, the received time will override the manually set time.
Note:
Should the total time of inserting the batteries into the transmitter take longer than 1-1/2 minutes from the
time of inserting the batteries into the projection clock then temperature reception problems may occur. If
the temperature is not being received, then see "433 MHZ RECEPTION", before resetting the units.
In the event of changing batteries to the transmitter, the projection clock needs to be reset. (See
RESETTING THE PROJECTION CLOCK)
RESETTING THE PROJECTION CLOCK
To reset the Projection clock to the factory default setting or in case of a malfunction or changing batteries
to transmitter, please remove all batteries from the unit and unplug the AC/DC adapter from any power
source. Wait at least for 3 minutes before powering up the Projection clock again.
BATTERY CHANGE:
It is recommended to replace the batteries in all units on an annual basis to ensure optimum accuracy of
these units.
Please participate in the preservation of the environment. Return used batteries to an
authorized depot.
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PROJECTION OF TIME
Note:
The projection is a red light, not harmful under normal usage, yet care should be taken to avoid looking
directly into the light.
1. When plugged into an AC outlet, the projection alarm can continuously project the time and the
outdoor temperature
2. When operating on batteries alone, the projection alarm will only project when the SNOOZE
button is pressed or the alarm is sounding.
3. The projection will auto-focus for display from about 1.7 to 2.0 metres away. At a dark enough
surrounding, user may clearly see the projection.
The direction of the display can also be rotated 360°in 90°increments by pressing the Projection
Direction button. The projector case can be rotated 180°to further help orient the projected display.
TOGGLE BETWEEN THE DISPLAY OF INDOOR TEMPERATURE/ HUMIDITY, PRESET
ALARM TIME AND CALENDAR
By pressing shortly the MODE/MIN key, you will toggle between the following displays:
1. Indoor temperature and humidity;
2. Preset alarm time;
3. Month and day
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4. Day and weekday;
DCF-77 RADIO CONTROLLED TIME
The time base for the radio controlled time is a Cesium Atomic Clock operated by the Physikalisch
Technische Bundesanstalt Braunschweig which has a time deviation of less than one second in one
million years. The time is coded and transmitted from Mainflingen near Frankfurt via frequency signal
DCF-77 (77.5 kHz) and has a transmitting range of approximately 1,500 km. Your radio-controlled
Projection alarm clock receives this signal and converts it to show the precise time in summer or
wintertime.
The quality of the reception depends greatly on the geographic location. In normal cases, there should be
no reception problems within a 1500km radius of Frankfurt.
Once the outdoor reception test period is completed, the DCF tower icon in the clock display will start
flashing in the upper center. This indicates that the clock has detected that there is a radio signal present
and is trying to receive it. When the time code is received, the DCF tower becomes permanently lit and
the time will be displayed.
If the tower icon flashes, but does not set the time or the DCF tower does not appear at all, then please
take note of the following:
• Recommended distance to any interfering sources like computer monitors or TV sets is a minimum
of 1.5 - 2 meters.
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