La Crosse Technology K84285 User Manual
Atomic Projection Alarm
with Indoor and Outdoor Temperature
Model K84285 | Instruction Manual
The Atomic Projection Alarm features accurate atomic time and indoor and outdoor t em per ature on a
stylish, colorful and easy-to-read display. Time and/or outdoor t em per ature can be projected on a wall or
ceiling. Use the i ntegrated USB charging port to charge your dev ic es when the P r ojection Alarm is
plugged into a power outlet.
Atomic Projection Alarm
Outdoor Temperature Transmitter: TX141
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Table of Contents
Atomic Projection Alarm 1
Outdoor Temper ature Transmitter TX141 1
Table of Contents 2
Features 3
Initial Setup 3
Power the Projecti on Al arm 4
A/C Adapter 4
Batteries 4
Install Batteri es i n the Outdoor Transmitter 4
WWVB Radio-controlled Time 5
WWVB Reception Icon 5
Manual Signal Search 5
Functions Buttons 5
Program Menu 6
WWVB Reception On/Off 6
Time Zone 6
Daylight Saving Time Indicator 7
12/24 Hour Time Format 7
Set Time 7
Set Calendar 7
Fahrenheit/Celsius 7
Alarm Set 8
Deact ivate Alarm 8
Snooze 8
Backlight and Projection Intensity 8
Projection 8
Battery Operation 8
A/C Power 8
Rotate Projecti on 8
Change Projection M ode 8
USB Charge Port 9
Temperature Trend I c ons 9
Low Battery Icon 9
Position Outdoor Transmitter 9
Position Projection Alarm 10
Care and Maintenance 10
Specifications 11
Accuracy 11
Warranty 12
FCC Statement 13
K84285
5V A/C Adapter
2-AAA batteries
TX141
2-AA batteries
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Features
• Projects tim e & outdoor temperature on wall or ceiling
• Projection r otat es i n 90 degr ee inc r em ents
• Projection options: (1) Default: t oggle between time and temperature, (2) time only or (3) temperature
only
• Time zones: Atlanti c Time (AST), Eastern Time (EST), Central Time ( CST) , Mountain Time (MST),
Pacific Time (PST), Alaskan T ime (AKT) & Hawaiian Time (HAT )
• Light up color display bac kli ght and projection with a press of a button using battery power OR
continuous light with A/C adapter (ON/OFF option)
• Backlight and pr ojec tion settings: High, l ow and off
• Charge devices with USB c har ging por t: Output 0.5A
• Atomic time and date sets itself
• 12/24 hour time with mi nutes
• Snooze alarm and alarm i c on
• Calendar: day, date
• IN/OUT temperatur e (°F/ ° C) with trend arrow
• Low battery icon f or clock & sensor
• Sits on desktop or tabletop
• 5.0V A/C adapter (included) for primary power and battery bac k up
• Battery lif e is over 24 months when using t he A/C adapter
Initial Set up
1. Insert A/C adapter into the wall outlet then into t he display or insert 2 new AAA batter ies (not
included) into the display (see Power the Atomic Projection Alarm). The Projection Alarm will light
up and display time and indoor temperature.
2. Insert 2 new AA batteri es i nto the transmitter, observi ng the correct polari ty (see In st all Batteries in
the Outdo or Transmitter ).
3. Keep the transmitt er 5-10 feet from the Projection Alarm for 15 minut es to establish a good
connection.
4. Within 3 minutes, the outdoor t em per ature should be displayed on the Projection Alarm. If the outdoor
temperature is not displayed after 3 minutes, remove power from the transmitter and the di spl ay for
60 seconds and start agai n from step 1.
5. For optimum 433 MHz transmission, the outdoor trans m itter should be placed a distance of no m or e
than 200 feet (60 meters, open air) from the Projection Alarm.
IMPORTANT: When operating on A/C power, the backlight, pr ojec tion and USB charging port will turn off
while the Projection Alarm searches for the WW VB signal, to avoid interference. T he bac kli ght and
projection will return after the 2-10 minute search. The USB charging port will then r esume working.
• Do Not Mix Old and New Batteries
• Do Not Mix Alkaline, Stand ard, Li thiu m or Rech argeable Batteries
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Power the Projection Alarm
Battery
5-Volt a/c ad apter
The Projection Al arm can be powered by the 5-volt A/C adapter or 2 A A A batteries.
A/C power adapter
• Insert enclosed 5-volt A/C power adapter into a wall outlet, t hen into the Projection Alarm.
Compartment
Optional Batt er y Oper ation
1. To remove battery cover, slide tab to the right and pull out t o r em ov e batt er y cover .
2. Install two new AAA batter ies according to the polarity m ar ki ngs.
• Do Not Mix Old and New Batteries
• Do Not Mix Alkaline, Lithium, Standard or Rechargeable Batteries
If the Projection Alarm does not display indoor temperature aft er 60 seconds, remove adapter and
batteries, and wait for at least 60 seconds before repeating the setup process.
IMPORTANT: When operating on A/C power, the backlight, pr ojec tion and USB charging port will turn off
while the Projection Alarm searches for the WW VB signal, to avoid interferenc e. T he bac kli ght and
projection will return after the 2-10 minute search. Then the USB charging port will resume worki ng.
Install Batteries in the Outdoor Transmitter
1. Slide the battery cover down, then lift off the front of t he transmitter.
Note: Be careful not to break the t abs on the batt er y c ov er.
2. Insert two new AA batteri es i nto the transmitter. Observe t he c or r ec t polarity (see markings
inside batter y compar tment).
3. Keep transmitter 5-10 ft. from the Projection Alarm during setup.
4. After 15 minutes, if the out door temperature shows on the displ ay , you can move the
outdoor transmitter outside to a shaded loc ation within range of t he Projection Alarm.
Troubleshooting
• If the Projection Alarm does not display the outdoor temperature after 3 minutes, r em ov e the A/C
power adapter and all bat teries from both units and start t he setup pr oc ess again.
• If the outdoor temperature does not show up af ter a second attempt, please slide open t he battery
cover of the outdoor transmitter to r ev eal the T X button. Press the T X button for 3 seconds to send a
wireless signal to the Projection Alarm.
• Hold the +/TEMP button for 5 seconds so the clock will search for the sensor.
• For optimal 433 MHz signal reception, the outdoor transmitter shoul d be plac ed within 200 feet (60
meters) from the Pr ojec tion Alarm.
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