WT-8112U
TABLE OF CONTENTS
RADIO-CONTROLLED SOLAR CLOCK
Topic
Features
Page
3
INSTRUCTION MANUAL
Battery Installation
Setting Up
3
5
Atomic time - WWVB Radio Controlled Time
Function keys
5
6
Contents
LCD Screen
7
7
Languages
Page
Manual Settings
Alarm setting and snooze
Mounting
Care and maintenance
Specifications
__________________________________________
11
12
14
15
16
English
2
Warranty
FEATURES:
RADIO-CONTROLLED SOLAR CLOCK:
LCD1
display
LCD2
display
Solar
panel
Wall Mount
Location
Function keys
Battery cover
Foldable
stands
1
2
WWVB Radio controlled time with manual time setting
Time display: hour, minute, second
12/24h time format display
Alarm setting with snooze function
Calendar display
Weekday display (4 languages to choose from: English,
Spanish, French, German)
Time zone setting
Daylight savings time ON/OFF option (DST)
Solar mode setting
SWITCH RIGHT
(SOLAR OPERATION)
(SOLAR-
RECHARGEABLE
BATTERY)
Slide switch to RIGHT
position once solar-
rechargeable battery
are inserted and
insulator tab is
removed
SWITCH LEFT
(START-UP /
RESET)
(STANDARD
ALKALINES)
Slide switch to
LEFT position
before (1) start-up /
reset or (2) any type
of battery
replacement
Indoor temperature display in ºF/ ºC selectable
Indoor humidity display in RH%
Primary Alkaline battery or Solar Rechargeable Alkaline
battery selection
WARNING
Do NOT recharge the
included solar-
rechargeable battery
outside of this product
because it will damage the
battery and other charging
devices.
Low battery indicator
Wall mount or freestanding
BATTERY COMPARTMENT
NOTE: This clock requires 1 battery.
There is a “filler battery shell” in the top
spot. Please leave this filler in place.
TO INSTALL / REPLACE BATTERY
The solar clock can use either the included 1 x alkaline rechargeable
battery (charged by solar panel) or 1 x AA alkaline battery (non-
rechargeable; not included).
Use a non-rechargeable alkaline battery:
WARNING! "Do Not recharge the included solar rechargeable
batteries in any device other than the product they came with.
Recharging the solar rechargeable batteries in battery chargers or
other third party devices will damage the batteries and charging
device"
1.
Remove the included solar rechargeable AA battery from the
compartment.
2.
3.
Use the switch to the left to select the alkaline battery.
Insert 1 x AA Alkaline battery into the compartment, observing
the correct polarity (see marking inside battery compartment.
Replace battery cover
IMPORTANT: If the solar panel is facing a permanent strong
light source (eg., on top of a refrigerator with halogen lamp),
please switch the clock to alkaline battery mode to avoid over-
charging re-chargeable alkaline battery.
INITIAL SETUP (USING INCLUDED SOLAR RECHARGEABLE
BATTERY FROM THE FACTORY)
4.
5.
1.
Open battery compartment on the back of the Clock and make
sure that the battery switch under the battery compartment is
positioned to the left.
If it is not, please slide the switch to the left before proceeding.
Locate the battery insulator tab and gently pull to remove it.
Next, slide the battery switch to the SOLAR position. The
clock should activate.
DO NOT SET THE CLOCK.
2.
3.
Please help in the preservation of the environment
and return used batteries to an authorized depot.
4.
Wait for WWVB signal.
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4
unsuccessful, then the WWVB tower icon will not appear but
reception will still be attempted the following hour.
NOTE: The date can only be set in conjunction with the
selected month. For example, it is not possible to set the date
30 if the month of February is selected.
WWVB time reception takes place from 12:00 am through 6:00 am
each day (attempts WWVB reception every full hour within this time
frame). When the time signal is received for example at 1:00 am, the
radio-controlled clock will not attempt to receive the WWVB signal for
the remaining hours until 6:00 am. Therefore, the next signal attempt
will take place between 12:00 am and 6:00 am the next day. The
other times WWVB reception takes place, are upon setup and after
manual time set exiting mode. Reception is generally not possible
during daylight hours due to the interference of the sun.
2.
Press and release the SET key to move to “Weekday
setting”.
WEEKDAY
1.
The weekday symbols will be displayed on LCD2 in the pre-
set language and flashing. Set the desired weekday by use of
the + key.
Press and release the SET key to enter the mode “12/24h
Time Format Setting”.
2.
After following the steps above (Time zone setting, DST ON/OFF,
Language display setting):
12/24H TIME FORMAT
The time format can be display in 12h or 24h (Default setting “12h”).
1.
The digits “12” or “24” will start flashing on LCD1. By use of
the + key select 12h or 24h time format display.
Press and release the SET key to enter the mode “ºC or ºF
Temperature Setting”.
1.
2.
The hour digits will start flashing on LCD1.
Set the desired hours by pressing and releasing the + key
followed by pressing the SET key.
2.
3.
4.
Now the minute digits will start flashing.
Set the desired minutes by pressing and releasing the + key.
If the + key is held, the units will increase by 5.
Press and release the SET key to move to the “Year” setting.
°C OR °F TEMPERATURE
The temperature setting can be set to either to ºF or ºC (Default
setting °F).
5.
1.
The characters “°F” or “°C” will start flashing on LCD1. By
use of the + key select “°F” for temperature display in
degrees Celsius or “°C” for degrees Fahrenheit.
Press and release the SET key to enter the mode “Solar
Mode Setting”.
YEAR
The year can be selected sequentially from 2001 to 2029 and will
then start over again (default setting 2009). The year will only appear
in the manual setting mode.
2.
1.
The year digits will start flashing (only last 2 digits) on LCD2.
Select the desired year by use of the + key.
Press and release the SET key to switch to the “Month
Setting”.
SOLAR MODE
2.
The Solar Mode is used for saving the power consumption of the
rechargeable battery (Default setting ON):
MONTH
1.
2.
The characters “ON” or “OFF” will start flashing on LCD1. By
use of the + key select “ON” or “OFF” to set the solar mode.
Press and release the SET key to exit the setting mode and
switch back to the normal display mode.
1.
The month digit on LCD2 will start flashing (Default setting 1).
Set the desired month by use of the + key.
Press and release the SET key to move to the mode “Date
Setting”.
2.
If the solar mode setting is ON:
DATE
1.
LCD will automatically turn OFF automatically if the
environment is too dark
The digits for the date will start flashing on LCD2 (Default
setting 1). Set the desired date by use of the + key.
9
10
The alarm will be automatically ON when the alarm time is set. To
deactivate the alarm (OFF), press and release once the ALM key in
normal mode display. The alarm icon will disappear the alarm is now
off.
LCD will automatically turn ON automatically if the
environment is bright enough; the surrounding
environment brightness is checked every 5 seconds
No information will be displayed when the LCD is OFF, but
all the settings and operations will remain, except for the
temperature and humidity measurements.
SNOOZE SETTING
The snooze can only be activated during alarm time for a snooze
duration of 10 minutes by pressing the SNZ key on the back of the
clock.
If the solar mode setting is OFF:
LCD will remain ON constantly.
POSITIONING THE RADIO-CONTROLLED SOLAR CLOCK:
Before permanently mounting, ensure that the radio-controlled solar
clock is able to receive WWVB signals from the desired location.
Also, extreme and sudden changes in temperature will decrease the
accuracy of the solar clock, and changes in elevation will result with
inaccurate temperatures readings for the next 12 to 24 hours. These
changes will require a 12 to 24 hour wait before obtaining reliable
data.
EXIT THE MANUAL SETTING MODES
To return to the normal display mode from anywhere in
manual setting mode simply press the SNZ key anytime.
If no keys are pressed for at least 15 seconds in setting mode,
the radio-controlled solar clock will automatically switch back
to normal display mode.
ALARM
There are two possible ways to mount the solar clock:
To enter into the alarm setting mode:
use of the foldable table stands, or
wall mounting
1.
Hold the ALM key for 4 seconds. The hour digits start
flashing.
2.
3.
Press and release the + key to set the hour.
Press and release the ALM key to set the minutes. The
minute digits start flashing.
FOLDABLE TABLE STANDS
The foldable table stands legs are located on the
4.
5.
Press and release the + key to set the minutes.
Press and release again the ALM key to exit the Alarm setting
mode or wait for 15 seconds automatic timeout.
backside. Unfold the stands out, below the
battery compartment. Once the foldout table
stands are extended, place the radio-controlled
solar clock in an appropriate location.
TO DEACTIVATE THE ALARM:
Alarm icon ((())) (ON)
WALL MOUNTING
1.
Install a mounting screw (not included) into a
wall—leaving approximately 3/16 of an inch
(5mm) extended from the wall.
2.
Place the radio-controlled solar clock onto the
screw, using the hanging hole on the backside.
Gently pull the radio-controlled clock down to
lock the screw into place.
NOTE: Always ensure that the radio-controlled
clock locks onto the screw before releasing.
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TROUBLESHOOTING:
Solution:
Remove the battery, slide the battery switch
to BATTERY and reinsert the the
battery.
If you are using a rechargeable battery, you
can then slide the battery switch to
SOLAR.
Problem:
Solution:
The LCD is OFF.
1) Move the solar clock to a brighter
environment.
2) Check that the solar panel is not
covered.
3) Replace the battery if using alkaline
battery.
4) Enter program menu and turn Solar
Mode OFF (this is a power saving
feature).
No reception of WWVB signal
1) It may help reception to face the front of
the radio-controlled clock in the general
direction of Ft. Collins, Colorado.
2) Wait overnight for signal.
3) Be sure the radio-controlled clock is at
least 6 feet (2 meters) from any electrical
devices, i.e. TV sets, computers, or other
radio controlled clocks.
CARE AND MAINTENANCE:
Avoid placing the unit in areas prone to vibration and shock as
these may cause damage.
Avoid areas where the unit can be exposed to sudden
changes in temperature, i.e. direct sunlight, extreme cold and
wet/moist conditions as these will lead to rapid changes which
reduce the accuracy of readings.
Problem:
Solution:
When cleaning the LCD and casing, use a soft damp cloth
only. Do not use solvents or scouring agents.
Do not submerge the unit into water.
Immediately remove all low powered batteries to avoid
leakage and damage. Replace only with new battery of the
recommended size.
Do not make any repairs to the unit. Please return it to the
original point of purchase. Opening and tampering with the
unit may invalidate the warranty.
4) Remove batteries for five minutes,
reinsert and leave the unit alone overnight
without pressing any keys.
Problem:
Solution:
Problem:
Solution:
Hour is incorrect (minute and date are
correct).
1) Be sure the correct time zone and daylight
saving time is selected.
"OFL“ appears in the indoor temperature
section of the LCD
1) Move the radio-controlled clock to an
area with warmer or cooler surrounding
temperature. Current surrounding
temperatures are outside measuring
range. Batteries.
SPECIFICATIONS:
Temperature measuring range
Indoor:
14.1F to 139.8F with 0.2F resolution (-9.9C to
+59.9C with 0.1C resolution; “OFL” displayed if
outside this range)
Temperature checking interval
Indoor: every 60 seconds
Humidity measuring range
Indoor : 20% to 95% with 1% resolution
Problem:
Solution:
"00" appears in the in humidity section of
the LCD.
(“—“ displayed if temperature is OFL; “19%” displayed
if below 20%, “96%” displayed if above 95%)
1) Remove the battery from the unit for ten
minutes, Press any button 20 times with
battery out then reinsert it again.
The clock appears to be locked up or
displays partial segments.
Temperature checking interval
Indoor: every 60 seconds
Problem:
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Power consumption
Alkaline rechargeable Battery:
1 x AA, 1.5V (included), rechargeable by solar cell
Rechargeable Alkaline battery life:
18 – 60 months, depending on usage
Primary Alkaline battery:
La Crosse Technology, Ltd will repair or replace this product, at our
option and at no charge as stipulated herein, with new or
reconditioned parts or products if found to be defective during the
limited warranty period specified above. All replaced parts and
products become the property of La Crosse Technology, Ltd and
must be returned to La Crosse Technology, Ltd.
1 x AA, 1.5V battery (not included)
Primary Alkaline battery life: about 24 months
Replacement parts and products assume the remaining original
warranty, or ninety (90) days, whichever is longer. La Crosse
Technology, Ltd will pay all expenses for labor and materials for all
repairs covered by this warranty. If necessary repairs are not
covered by this warranty, or if a product is examined which is not in
need or repair, you will be charged for the repairs or examination.
Dimensions (L x W x H)
Solar clock: 9.18" x 1.12" x 8.52"
Low battery indicator:
RX - Low battery indicator is displayed on the LCD when the battery
voltage is low.
The owner must pay any shipping charges incurred in getting your
La Crosse Technology, Ltd product to a La Crosse Technology, Ltd
authorized service center.
WARNING! "Do Not recharge the included solar rechargeable
batteries in any device other than the product they came with.
Recharging the alkaline rechargeable batteries in battery chargers or
other third party devices will damage the batteries and charging
device"
Your La Crosse Technology, Ltd warranty covers all defects in
material and workmanship with the following specified exceptions:
(1) damage caused by accident, unreasonable use or neglect
(including the lack of reasonable and necessary maintenance); (2)
damage occurring during shipment (claims must be presented to the
carrier); (3) damage to, or deterioration of, any accessory or
decorative surface; (4) damage resulting from failure to follow
instructions contained in your owner’s manual; (5) damage resulting
from the performance of repairs or alterations by someone other than
an authorized La Crosse Technology, Ltd authorized service center;
(6) units used for other than home use (7) applications and uses that
this product was not intended or (8) the products inability to receive a
signal due to any source of interference.
IMPORTANT: If the solar panel is facing a permanent strong light
source (eg., on top of a refrigerator with halogen lamp), please
switch the clock to alkaline battery mode to avoid over-charging re-
chargeable alkaline battery.
WARRANTY INFORMATION
La Crosse Technology, Ltd provides a 1-year limited warranty on this
product against manufacturing defects in materials and
workmanship.
This warranty covers only actual defects within the product itself, and
does not cover the cost of installation or removal from a fixed
installation, normal set-up or adjustments, claims based on
misrepresentation by the seller or performance variations resulting
from installation-related circumstances.
This limited warranty begins on the original date of purchase, is valid
only on products purchased and used in North America and only to
the original purchaser of this product. To receive warranty service,
the purchaser must contact La Crosse Technology, Ltd for problem
determination and service procedures. Warranty service can only be
performed by a La Crosse Technology, Ltd authorized service
center. The original dated bill of sale must be presented upon
request as proof of purchase to La Crosse Technology, Ltd or La
Crosse Technology, Ltd’s authorized service center.
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LA CROSSE TECHNOLOGY, LTD WILL NOT ASSUME LIABILITY
FOR INCIDENTAL, CONSEQUENTIAL, PUNITIVE, OR OTHER
SIMILAR DAMAGES ASSOCIATED WITH THE OPERATION OR
MALFUNCTION OF THIS PRODUCT. THIS PRODUCT IS NOT TO
BE USED FOR MEDICAL PURPOSES OR FOR PUBLIC
INFORMATION. THIS PRODUCT IS NOT A TOY. KEEP OUT OF
CHILDREN’S REACH.
This warranty gives you specific legal rights. You may also have
other rights specific to your State. Some States do no allow the
exclusion of consequential or incidental damages therefore the
above exclusion of limitation may not apply to you.
For warranty work, technical support, or information contact:
La Crosse Technology
2817 Losey Blvd. S.
La Crosse, WI 54601
All rights reserved. This handbook must not be reproduced in any
form, even in excerpts, or duplicated or processed using electronic,
mechanical or chemical procedures without written permission of the
publisher.
This handbook may contain mistakes and printing errors. The
information in this handbook is regularly checked and corrections
made in the next issue. We accept no liability for technical mistakes
or printing errors, or their consequences.
All trademarks and patents are acknowledged.
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