La Crosse WS-8147U-IT User manual

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Model: WS-8147U-IT
Instruction Manual
DC: 011816
ATOMIC DIGITAL CLOCK
WITH MOON PHASE
Foldout Stand
Buttons
Time, Alarm, +
WWVB Icon
Indoor Temp/Hum,
Weekday, Date,
Moon Phase, +
Outdoor Temp.
Two AA
Batteries
SET + ALM SNZ

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Get Started
Step 1: Insert 2 fresh AA, batteries into the TX37U-IT sensor. Observe
correct polarity.
Step 2: Insert 2 fresh AA, batteries into the atomic clock Observe
correct polarity.
Step 3: After 5 minutes place sensor outside in a shaded location.
Restart: If the outdoor temperature shows dashes, remove
batteries from the station & outdoor sensor. Press any button on
the station 20 times. After 15 minutes, return to Step 1.
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:
1. Time Zone
2. Daylight Saving Indicator
3. Hour
4. Minutes
5. Year (2 digit)
6. Month
7. Date
8. Weekday
9. 12/24 Hour Format
10. Fahrenheit/Celsius
Press SET to exit, or wait 30 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 30 seconds without pressing buttons to return
to the normal time display.
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
SET
+
ALARM
+

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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 SNZto silence an active alarm for 10 minutes.
•The alarm icon will flash.
Press any button to stop the alarm for 24 hours.
Display Features
There are 4 possible display modes to view the seconds, indoor, and
outdoor temperature. The indoor humidity/ indoor temperature/
month & date/ weekday/ outdoor temperature are the default.
To change the display:
•Press and release the +button. The display should now show the
indoor humidity/ seconds/ month & date/ weekday/ outdoor
temperature.
•Press the +button a second time and the display will now show the
indoor humidity/ indoor temperature/ month & date/ weekday/
seconds.
•Press the +button a third time and the display will now show the
indoor humidity/ indoor temperature/ month & date/ seconds/ outdoor
temperature
Press the +button a fourth time and the display will return to the default
display.
WWVB Radio-controlled Time
•WWVB Icon will flash when searching.
•The WWVB icon will be steady when time signal is
received in the past 24 hours.
For information about WWVB visit:
www.nist.gov/pml/div688/grp40/wwvb.cfm
Alarm
Icon
SNZ
WWVB
Atomic Icon

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Low
Battery
Icons
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.
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.

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•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.
Specifications
Indoor
Temperature Range
Humidity Range
14.1°F to +138°F
-9.9ºC to +59.9ºC
20%-95% RH
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
12.20“ x 1.16“ x 8.03“
(310 x 29.5 x 204mm)
TX37U-IT Sensor 5.05” x 1.50” x 0.83”
(128.3 x 38.2 x 21.2 mm)
Warranty and Support Information
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.
View full warranty details online at:
www.lacrossetechnology.com/warranty_info.pdf
For warranty work, technical support or other information contact our friendly
support staff:
La Crosse Technology, Ltd
2830 26th Street S.

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La Crosse, WI 54601
Contact Support: 1-608-782-1610
Product Registration:
www.lacrossetechnology.com/support/register
Online Product Support:
www.lacrossetechnology.com/support
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.
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.