La Crosse Technology DCF-77 Bedienungsanleitung

868 MHz RADIO CONTROLLED PROJECTION ALARM CLOCK

Instructions manual

INTRODUCTION:

Congratulations on purchasing this innovative 868MHz Projection alarm clock which

displays indoor and outdoor temperature. To enjoy the full benefits of this innovative

product, please read this operating manual.

« Instant Transmission+» is the up and coming state-of-the-art new wireless

transmission technology, exclusively designed and developed by LA CROSSE

TECHNOLOGY.

“IT +” offers you an immediate update of all your outdoor data measured from

the transmitters: follow your climatic variations in real-time!

PROJECTION ALARM CLOCK

FEATURES

•DCF-77 Radio controlled time with manual setting option

•12/24 hours time display (hour, minutes, seconds)

•Time projection (hour and minute)

•Projection with adjustable brightness and projection orientation possible

•Calendar display

Battery

compartment

Stand

Adapter socket

Function

keys

LCD

Display

•Alarm setting with snooze function

•Time zone setting ±12hours

•Temperature display in ºC/ ºF

•Indoor and outdoor temperature display

•E.L. back-light

•Wireless transmission at 868 MHz

•Signal reception intervals at 4 seconds

•Low battery indicator

TEMPERATURE TRANSMITTER:

•Remote transmission of outdoor temperature to weather

station by 868 MHz signal

•Wall mounting case

•Mounting at a sheltered place. Avoid direct rain and

sunshine

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) .

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.

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.

Note:

In the event of changing batteries in any of the units, all units need to be reset by

following the setting up procedures. This is because a random security code is

assigned by the transmitter at start-up and this code must be received and stored by

the Projection alarm clock in the first three minutes of power being supplied to it.

SETTING UP

The Projection clock can be batteries operated or powered by the provided 3.4V

AC/DC adapter.

1. First, insert 2 x AA, IEC LR6, 1.5V batteries into the projection clock (or use the

A/C adapter to power up). 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 1 minute before reinserting them. Once the

indoor data is displayed proceed to step 2.

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 868 MHz transmission however, the distance between the

Projection clock and the transmitter should not be more than 100 meters (see

notes on “Positioning” and “868 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 to

receive the DCF time each day at 2:00 am. 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 "868MHZ 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.

PROJECTION OF TIME / OUTDOOR TEMPERATURE

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. A

dark surrounding will be necessary to 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.

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