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La Crosse Technology, Ltd.  

Page 5 

 

Note: 

An outdoor sensor that has fallen into puddle, snow, or other standing water, will likely have water 

damage and needs to be replaced. Outdoor sensors are water resistant, not waterproof. 

 

Outdoor transmitter drains batteries quickly 

 

  Test a new set of alkaline batteries. Write down the date of installation and the voltage of the 

batteries. 

  When the batteries fail, please note the date and voltage again.  

  Check the 

distance 

and 

resistance

 between the outdoor sensor and weather station. Outdoor sensors 

at the end of the range may work while batteries are fresh but not after they drain a bit. 

  Check for leaking batteries, which may damage the outdoor sensor. 

  Battery life is over 24 months when using reputable battery brands for both Alkaline and Lithium 

batteries. 
 

Replacement Outdoor Sensors 

 

  Visit your local Retailer or La Crosse Technology® Store 

http://store.lacrossetechnology.com/

 (Please 

copy and paste this link to your browser address bar). 

Note

: Be sure to order the correct model and frequency to avoid receiving the incorrect item.  

  Call La Crosse Technology® Store at 

608-785-7939 

or e-mail from our website if you are unsure 

about the correct item to order. Each item carries the original new product warranty and includes 
access to La Crosse Technology technical support. 

 

Temperature Trend Arrows 

 
The indoor and outdoor temperature trend indicators will update every 30 minutes or less. These trends 
represent temperature changes over the past three hours. 
 

  UP ARROW: Temperature rose more than 2°F/1°C in the past three hours 

  RIGHT ARROW: Temperature has 

not changed

 more than 2°F/1°C in the past three hours  

  DOWN ARROW: Temperature fell more than 2°F/1°C in the past three hours 

 

MIN/MAX Temperature readings 

 

Explanation:

 The weather station shows the daily minimum and maximum temperatures each day 

starting at midnight (12:00 AM). The weather station automatically resets the MIN/MAX temperatures at 
midnight (12:00 AM). 

  

  You can manually reset the MIN/MAX data at any time. 

 

View MIN/MAX data: 

Press and release the MAX/MIN button to view the Maximum, Minimum, then 

Current Indoor and Outdoor Temperatures.

   

 

Multiple Transmitters: 

Press and release the CH button to select the desired outdoor channel to 

view the Minimum and Maximum Outdoor Temperatures. Press and release the MAX/MIN button to 
view the Maximum, Minimum then Current Temperatures for that channel.   

 

Reset all MIN/MAX data: 

Hold the MAX/MIN button for 5 seconds and the Indoor and all Outdoor 

Minimum and Maximum Temperatures may be reset manually to current temperatures. 

 

 

Frost Alarm 

 

FROST ALARM:

 The Frost Alarm will sound when the outdoor temperature drops to 34°F (1.1°C).    

 

  ACTIVATE Press and release the TEMP ALERT button to activate the Frost Alarm on all channels 

(when multiple transmitters in use). The Frost Alarm icon 

 will appear in the outdoor temperature 

area when active. 

  DEACTIVATE Press and release the TEMP ALERT button until the Frost Alarm icon no longer 

shows. 

Temperature Alarms 

 

Summary of Contents for 308-1451

Page 1: ...Outdoor Temperature reading 4 Intermittent Outdoor Temperature Humidity 4 Outdoor Temperature is stuck or HH H or LL L 4 Outdoor transmitter fell and does not work 4 Outdoor transmitter drains batter...

Page 2: ...will maintain voltage longer in storage However the environment the batteries reside in for the 10 years can deplete the power We suggest name brand Alkaline batteries for indoor displays Use Alkalin...

Page 3: ...tation together inside and place the units 5 10 feet apart with nothing between them 2 Hold the CH button on the weather station The outdoor temperature area will flash 3 Remove battery cover from the...

Page 4: ...tch the temperature drop on the forecast station Indoor distance test Please complete the Restart with transmitter and forecast station5 10 feet apart and inside to establish a strong connection If th...

Page 5: ...l update every 30 minutes or less These trends represent temperature changes over the past three hours UP ARROW Temperature rose more than 2 F 1 C in the past three hours RIGHT ARROW Temperature has n...

Page 6: ...o three remote outdoor transmitters The channel selection CH button on the forecast station allows you to see the temperature in various locations outdoors baby s room greenhouse basement etc Press an...

Page 7: ...ravel well through moisture or dirt Do not mount the outdoor sensor on a metal fence This significantly reduces the effective range MOUNT Option 1 Install one mounting screw not included into a wall P...

Page 8: ...sorbs signal Avoid transmitting antennas ham radios emergency dispatch centers airports military bases etc Electrical wires utilities cable etc Vegetation is full of moisture and reduces signal It is...

Page 9: ...Use the or button to set the Year Press and release the SET button to confirm and move to the next menu item MONTH The Month will flash Use the or button to set the Month Press and release the SET bu...

Page 10: ...ome Side by side test Bring the outdoor sensor in the house and place it next to the weather station for 2 hours Compare indoor and outdoor temperature The temperature should be within 4 degrees to be...

Page 11: ...her Tendency Indicators When the Indicator Points Upwards it means that the Air pressure is increasing and the weather is expected to improve but when Indicator Points Downwards the Air pressure is fa...

Page 12: ...blank during a new moon and dark during a full moon New Moon occurs when the moon is between the earth and sun so the illuminated portion of the moon is on the backside facing the sun and we cannot s...

Page 13: ...r related issue Batteries may be overpowered or underpowered Remove batteries from weather station Press any button 20 times Leave the batteries out of the display for 2 hours Insert batteries into th...

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