How it Works
La Crosse
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W86111
Faq
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La Crosse W86111 Faq

W86111 FAQS
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CONTENTS
W86111 FAQS........................................................................................................................... 1
Batteries ................................................................................................................................... 2
Digital Atomic Clock Factory Restart ..................................................................................... 2
Outdoor Temperature Transmitter .......................................................................................... 3
Accuracy ................................................................................................................................... 7
Digital Atomic Clock ................................................................................................................ 7
La Crosse Technology, Ltd. Page 1
Batteries
Half of all warranty issues can be resolved with fresh batteries of the appropriate voltage. We suggest name brand alkaline batteries for indoor displays such as Digital Atomic Clocks. Use batteries dated at least six years in advance of the current year. Batteries dated earlier
than six years from now may still work, but may be unstable in performance.
Alkaline batteries manufactured this year will have an expiration date 10 years in the future.
Battery technology has improved and batteries will maintain voltage longer in storage. However, the environment the batteries reside in for the 10 years can deplete the power.
Good name brand batteries make less noise, which reduces the chance of RF (radio
frequency) interference from the battery compartment. A minimum voltage of 1.48V for each battery is necessary for proper performance.
Outdoor Transmitters: Use Alkaline batteries (or Lithium for temperatures below - 20°F/-
28.8°C)
Indoor Displays: Use Alkaline batteries. Overpowered or underpowered batteries may
cause loss of indoor readings, missing segments, dim display etc.
Digital Atomic Clock Factory Restart
FACTORY RESTART:
DISTANCE: Bring the transmitter and Digital Atomic Clock together inside and have them 5-
10 feet apart with nothing between them.
REMOVE POWER: Remove batteries from transmitter and Digital Atomic Clock. DISCHARGE ELECTRICITY: Press one of the buttons on the Digital Atomic Clock at least
20 times to clear all memory. Verify that the Digital Atomic Clock is blank before proceeding.
UNPOWERED FOR 10 MINUTES: Let the Digital Atomic Clock and transmitter sit with
batteries out for at least 10 minutes.
DIGITAL ATOMIC CLOCK FIRST: Insert fresh alkaline batteries in the Digital Atomic Clock. TRANSMITTER SECOND: Insert fresh batteries into the transmitter, observing the correct
polarity.
La Crosse Technology, Ltd. Page 2
PRESS TX BUTTON: Press the TX button on the back of remote Transmitter to transmit RF
(radio frequency) signal. Keep the transmitter 5-10 feet from the Digital Atomic Clock.
WAIT: Wait for 5 minutes for the outdoor temperature to appear. CONNECTION: When RF (radio frequency) connection is established, the outdoor
temperature will appear on the main unit. Allow the transmitter and Digital Atomic Clock to sit together for 15 minutes to establish a strong connection.
PLACE TRANSMITTER OUTSIDE: For optimum 433MHz transmission, the outdoor
transmitter should be a distance of no more than 200 feet (60 meters, open air) from the Digital Atomic Clock.
See the section on mounting and distance/resistance/interference for details on mounting
the outdoor transmitter.
Outdoor Temperature Transmitter
Compatible Outdoor Transmitters
A TX14 outdoor transmitter comes packaged with this Digital Atomic Clock. The TX141 and TX14 (433MHz) transmitters are compatible with this Digital Atomic Clock.
Fahrenheit/Celsius Digital Atomic Clock: Press and release the °F/°C button on the back of the Digital Atomic
Clock to switch the temperature display from Fahrenheit to Celsius. Flashing Outdoor Temperature The outdoor Temperature reading will flash when the connection is first lost or intermittent
between the Digital Atomic Clock and the outdoor transmitter. Distance/Resistance is generally the cause of intermittent connection or loss of connection
between the transmitter and the Digital Atomic Clock. Check the position of the Digital Atomic Clock. Turn the Digital Atomic Clock 90 degrees
towards the outdoor transmitter for better reception.
Try the quick connect or factory restart. Batteries often resolve the connection issue.
Dashes shown for Outdoor Temperature Dashes means the connection is lost between the Digital Atomic Clock and the outdoor
transmitter.
Batteries often resolve the connection.  Distance/Resistance can cause loss of connection between the transmitter and the Digital
Atomic Clock. Reorientation of the Digital Atomic Clock 90 degrees towards the outdoor transmitter may
provide better reception. Try the quick connect or factory restart.
Quick Connect
DISTANCE: Bring the transmitter and Digital Atomic Clock together inside and have both
units 5-10 feet apart with nothing between them. DIGITAL ATOMIC CLOCK: Hold the +/TEMP button on the Digital Atomic Clock for 5
seconds until the Temperature area starts to flash. TRANSMITTER: Remove battery cover and press and release the TX button to send the
signal.
La Crosse Technology, Ltd. Page 3
WAIT: Wait for 2 minutes for the outdoor Temperature to appear. Factory Restart: If the above procedure does not work, please try the factory reset below.
Outdoor Temperature Changes Constantly
You may have an additional compatible outdoor transmitter within range. Occasionally a neighbor will have a compatible outdoor transmitter that is within range. During setup, the temperature may change frequently as the clock looks for the transmitter.
Inaccurate Outdoor Temperature Reading The outdoor transmitter reads the environment. When mounted in the home it will read
inside Temperature.
When the transmitter reads high during the day but not at night it is a positioning problem. Side-by-side test: Bring the outdoor transmitter in the house and place it next to the Digital
Atomic Clock for 2 hours. Compare indoor and outdoor temperature. The temperatures should be within 4 degrees to
be within tolerance. See the section on accuracy for details. If the transmitter reads correctly when next to the Digital Atomic Clock then try a different
location outside. Look for heat sources such as sunlight, door or window frames, or reflected heat.
Intermittent Outdoor Temperature RF (radio frequency) communication may come and go occasionally. This can be normal in
some environments (e.g. moister climates). If transmitter signal is lost, please wait 2-4 hours
for the signal to reconnect on its own.
Move the outdoor transmitter to a closer location. Freezer test: Confirm the Digital Atomic Clock is reading the correct outdoor transmitter.
Place the transmitter in the freezer for an hour and watch the temperature drop on the
Digital Atomic Clock. Indoor distance test: Please complete the Restart with transmitter and Digital Atomic Clock
5-10 feet apart and inside to establish a strong connection. After 15 minutes if there is a reading in the outdoor temperature area, move the transmitter
to another room with one wall between the transmitter and the Digital Atomic Clock. Observe
to see if the Temperature remains on consistently for 1-hour. If the Temperature remains on while in the house then it is likely a distance/resistance issue.
Move the transmitter to different locations outside to find a location where the Temperature
reading will hold.
Distance/Resistance can cause loss of transmitter signal.  Check Batteries.
Outdoor Temperature Is Stuck or OFL
The last outdoor reading may remain (not change) for several hours when connection is lost. The outdoor Temperature reading will flash when the connection is first lost or intermittent
between the Digital Atomic Clock and the outdoor transmitter.
Check Batteries. Overpowered or underpowered batteries can cause this reading. Replace outdoor transmitter.
La Crosse Technology, Ltd. Page 4
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