La Crosse Technology WT-5120 Manuale utente
39
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 enefits of this innovative
product, please read this operating manual.
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PROJECTION ALARM CLOCK
FEATURES
•
DCF-77 Radio controlled time with manual setting option
•
12/24 hours time display (hour, minutes, seconds)
•
Projection of time (hour and minute) and outdoor temperature
•
Projection with adjusta le rightness and projection orientation possi le
•
Calendar display
Battery
compartment
Stand
Adapter socket
Function
keys
LCD
Display
41
•
Alarm setting with snooze function
•
Time zone setting ±12hours
•
Temperature display in ºC/ ºF
•
Indoor and outdoor temperature display
•
E.L. ack-light
•
Wireless transmission at 868 MHz
•
Signal reception intervals at 4 seconds
•
Low attery indicator
TEMPERATURE TRANSMITTER
•
Remote transmission of outdoor temperature to the
Projection clock y 868 MHz signal
•
Wall mounting case
•
Mounting at a sheltered place. Avoid direct rain and
sunshine
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TO INSTALL AND REPLACE BATTERIES INTO THE PROJECTION
CLOCK
The Projection clock uses 2 x AA, IEC LR6, 1.5V atteries. To install and replace the
atteries, please follow the steps elow:
1. Insert finger or other solid o ject in the
space at the ottom center of the attery
compartment and lift up to remove the
cover.
2. Insert atteries o serving 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 ottom of the clock
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3. The Projection clock will now start receiving the DCF time signal. After
approximately 3 to 5 minutes, the DCF time will e displayed (Also see "Setting
up" elow).
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
e damaged.
POWER SUPPLIED BY BATTERIES AND AC/DC ADAPTER
If the Projection clock is first powered y atteries and the power adapter is
su sequently used for extended period of time, the main power source of the Projection
44
clock will switch to AC/DC power. The atteries will then act as a ackup 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 atteries.
To install and replace the atteries, please follow the steps elow:
1. Remove the cover.
2. Insert the atteries, o serving the correct polarity (see
marking).
3. Replace the attery cover on the unit.
Note:
In the event of changing atteries in any of the units, all units need to e reset y
following the setting up procedures. This is ecause a random security code is
45
assigned y the transmitter at start-up and this code must e received and stored y
the Projection alarm clock in the first three minutes of power eing 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 atteries into the projection clock (or use the
A/C adapter to power up). Once the atteries are in place, all segments of the
LCD will light up riefly. Then the indoor temperature, the time as 0:00, will e
displayed. If the indoor temperature is not displayed after a few seconds, remove
the atteries and wait for at least 1 minute efore 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 atteries into the transmitter.
3. After a few seconds of inserting the atteries into the transmitter, the projection
clock will start receiving data from the transmitter. The remote temperature will
46
then e displayed on the clock. If this does not happen after 2 minutes, the
atteries will need to e removed from oth 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 etween 3-5 minutes in good conditions. This time period is an excellent
opportunity to locate the transmitter in suita le location outdoors. In order to
ensure sufficient 868 MHz transmission however, the distance etween the
Projection clock and the transmitter should not e more than 100 meters (see
notes on “Positioning” and “868 MHz Reception”).
5. If after 10 minutes the DCF time has not een 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 atteries into the transmitter take longer than 1-1/2
minutes from the time of inserting the atteries into the projection clock then
47
temperature reception pro lems may occur. If the temperature is not eing received,
then see "868MHz reception", efore resetting the units.
In the event of changing atteries to the transmitter, the projection clock needs to e
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 atteries to transmitter, please remove all atteries from the unit and unplug
the AC/DC adapter from any power source. Wait at least for 3 minutes efore powering
up the Projection clock again.
BATTERY CHANGE
It is recommended to replace the atteries in all units on an annual asis to ensure
optimum accuracy of these units.
Please participate in the preservation of the environment. Return used
batteries to an authorized depot.
48
PROJECTION OF TIME / OUTDOOR TEMPERATURE
Note:
The projection is a red light, not harmful under normal usage, yet care should e 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 atteries alone, the projection alarm will only project when the
SNOOZE utton is pressed or the alarm is sounding.
3. The projection will auto-focus for display from a out 1.7 to 2.0 metres away. A
dark surrounding will e necessary to clearly see the projection.
The direction of the display can also e rotated 360° in 90° increments y pressing the
Projection Direction
utton. The projector case can e rotated 180° to further help
orient the projected display.
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