La Crosse Technology WS-8418U-IT User manual
Model: WS-8418U-IT
Instruction Manual!
DC: 062915
ATOMIC WALL CLOCK
With Moon Phase and IN/OUT Temperature
WS-8418U-IT www.lacrossetechnology.com/support Page | !1
Time, Alarm, +
WWVB Icon
Foldout Stands
Indoor Temp,
Month, Date,
+ Moon Phase
Battery
Cover
TX37U-IT
Sensor
Buttons
Battery
Compartment
2 “AA” batteries
SET + ALM SNZ
Outdoor Temp
+ Weekday
Wall Hanging Hooks
Front
Back
Get Started
Step 1: Insert 2 fresh AA, batteries into the TX37U-IT sensor according
to the polarity marked in the battery compartment.
Step 2: Insert 2 fresh AA, batteries into the atomic clock according to the
polarity markings.
Step 3: After 5 minutes place the sensor outside in a shaded location.
Set Time, Date, 12/24 Hour, and Temperature Units
1. Press the SET button to enter time set mode, confirm adjustments
and move to next item.
2. Press the +button to adjust values.
Settings order:Time Zone
1. Daylight Saving Indicator
2.
LanguageHour
3. Minutes
4. Year (2 digit)
5. Month
6. Date
This clock has time zones from
GMT 0 to +/-12h
North American time zones:
-4
ATL
Atlantic
-5
EST
Eastern (default)
-6
CST
Central
-7
MST
Mountain
-8
PST
Pacific
-9
ALA
Alaska
-10
HAW
Hawaiian
Languages
US
English
F
French
E
Spanish
d
German
WS-8418U-IT www.lacrossetechnology.com/support Page | !2
SET
+
7. Weekday
8. 12/24 Hour Format
9. Fahrenheit/Celsius
Press SET to exit, or wait 15 seconds without pressing buttons to return
to the normal time display.
Set Alarm Time
1. Hold ALM to enter ALM set mode.
2. Press +to adjust values.
3. Press ALM to confirm adjustments and move to next item.
Setting order: 1. Hour, 2. Minutes
Press ALM to exit, or wait 15 seconds without pressing buttons to return
to the normal time display.
Deactivate/Activate ALM
•Press ALM once to deactivate the alarm.
•The alarm icon will disappear.
•Press ALM once to activate the alarm.
•The alarm icon will appear.
Snooze
•Press SNZ to silence an active alarm for 10 minutes.
•The alarm icon will flash.
•Press any button to stop the alarm for 24 hours.
Seconds Display Features
There are four display modes to view the weekday, seconds, and
temperatures. The seconds may replace the Indoor temperature,
Outdoor Temperature or Weekday. If seconds are counting up on the
clock, press the +button to move or remove this feature.
Default display: month&date/weekday/indoor temperature /outdoor
temperature.
Change the display:
1. Press the +button. The display should now show the month&date/
weekday/seconds/outdoor temperature.
2. Press the +button a second time and the display will show the
month&date/weekday/indoor temperature/seconds.
3. Press the +button a third time and the display will show the
month&date/seconds/indoor temperature/outdoor temperature.
Press the +button a fourth time and the display will return to the
default display.
WS-8418U-IT www.lacrossetechnology.com/support Page | !3
ALM
Alarm
Icon
SNZ
WWVB Radio-controlled Time
•WWVB Icon will flash when searching.
•The WWVB icon will be steady when time signal
received in the past 24 hours.
For information about WWVB visit:
www.nist.gov/pml/div688/grp40/wwvb.cfm
ATOMIC SIGNAL SEARCH:
The atomic clock will search for 1 hour between midnight and 6am until
the WWVB time signal is received. After reception, the atomic clock will
only search for the atomic signal after midnight.
Moon Phase
The LCD Moon phase is divided by 6
sections, showing a total of 12 phases of
the moon.
Note: With the moon shown against a light
colored background, the phases will show opposite to a paper calendar.
The segments that are highlighted will portray the part of the moon that is
lit. For instance, the moon will be blank during a new moon and dark
during a full moon.
Low Battery Icon
•When the TX icon is displayed replace batteries in
the outdoor sensor.
•When the RX icon is displayed replace batteries
in the atomic clock.
Position Outdoor Sensor
•Mount the outdoor sensor on a north-facing wall or in any well
shaded area. Under an eave or deck rail is preferred.
•The maximum transmitting range to the atomic clock is over 330 feet
(100 meters) in open air, not including walls.
Restart
If the outdoor temperature shows dashes, remove batteries from the
atomic clock and outdoor sensor. Press any button on the atomic clock
20 times. After 15 minutes, return to Step 1 in “Get Started”.
WS-8418U-IT www.lacrossetechnology.com/support Page | !4
Low
Battery
Icons
WWVB
Atomic Icon
Specifications
Care and Maintenance
•Do not mix old and new batteries
•Do not mix Alkaline, Standard, Lithium or Rechargeable
Batteries
•Always purchase the correct size and grade of battery most suitable
for the intended use.
•Replace all batteries of a set at the same time.
•Clean the battery contacts and also those of the device prior to
battery installation.
•Ensure the batteries are installed correctly with regard to polarity
(+and -).
•Remove batteries from equipment with is not to be used for an
extended period of time.
•Remove expired batteries promptly.
Warranty and Support Information
Indoor
Temperature
Range
14.1°F to +100°F (-9.9ºC to +37.8ºC)
Outdoor
Temperature
Range
-39.8°F to +139.8°F (-39.8ºC to +59.9ºC)
Distance
Over 330 ft. (100 meters) RF 915MHz (open air)
Interval
About every 4 seconds
Power
Atomic Clock
2-AA, IEC, LR6 batteries (not included)
TX37U-IT Sensor
2-AA, IEC, LR6 batteries (not included)
Battery Life
Atomic Clock
Over 24 months
TX37U-IT Sensor
Over 12 months
Dimensions
Atomic Clock
10.25“ x 1.16“ x 9.74“ (260.6 x 29.5 x 247.5mm)
TX37U-IT Sensor
5.05” x 1.50” x 0.83” (128.3 x 38.2 x 21.2 mm)
WS-8418U-IT www.lacrossetechnology.com/support Page | !5
La Crosse Technology, Ltd. provides a 1-year limited time warranty (from
date of purchase) on this product relating to manufacturing defects in
materials & workmanship.
Before returning a product, please contact our friendly customer
support with questions or visit our online help:
Phone: 1-608-782-1610
Online Product Support:
www.lacrossetechnology.com/support
Product Registration:
www.lacrossetechnology.com/support/register
View full warranty details online at:
www.lacrossetechnology.com/warranty_info.pdf
Warranty Address:
La Crosse Technology, Ltd
2830 S. 26th St.
La Crosse, WI 54601
Protected under U.S. Patents:
5,978,738 | 6,076,044 |RE43903
FCC Statement
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses
and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged
to try to correct the interference by one or more of the following
measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that
to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
WS-8418U-IT www.lacrossetechnology.com/support Page | !6
This device must not be co-located or operating in conjunction with any
other antenna or transmitter.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including
interference that may cause undesired operation.
Caution!
The manufacturer is not responsible for any radio or TV interference
caused by unauthorized modifications to this equipment. Such
modifications could void the user authority to operate the equipment.
All rights reserved. This manual may not be reproduced in any form,
even in part, or duplicated or processed using electronic, mechanical or
chemical process without the written permission of the publisher.!
This booklet may contain errors or misprints. The information it contains
is regularly checked and corrections are included in subsequent editions.
We disclaim any responsibility for any technical error or printing error, or
their consequences.!
All trademarks and patents are recognized.
WS-8418U-IT www.lacrossetechnology.com/support Page | !7
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