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La Crosse Technology, Ltd.          www.lacrossetechnology.com/support 

Page 6 

 

 

Call La Crosse Technology® Store at 

608-785-7939 

or e-mail from the store 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 

 
Explanation:

 The indoor and outdoor temperature (2°F / 1°C) trend indicators update every 30 

minutes or less. These trends represent temperature changes over the past three hours. 

Example:

 At 11:00, the trend arrows will reflect changes in temperature since 8:00. At 11:30, the 

trend arrows will reflect changes in temperature since 8:30, etc.  
 

Two arrows show:

 No change 

Arrows trending left:

 Temperature is falling. 

Arrows trending right:

 Temperature is rising. 

 

Humidity Trend Arrows 

 

Explanation:

 The indoor and outdoor humidity (3% RH) trend indicators update every 30 minutes 

or less. These trends represent temperature changes over the past three hours. 

Example:

 At 11:00, the trend arrows will reflect changes in humidity since 8:00. At 11:30, the trend 

arrows will reflect changes in humidity since 8:30, etc.  

Up Arrow:  

 

The temperature has 

risen

 in the past 3 hours.  

 

The humidity has 

risen

 in the past 3 hours. 

Right Arrow:  

 

The temperature has 

not changed

 in the past 3 hours.  

 

The humidity has 

not changed

 in the past 3 hours.  

Down Arrow: 

 

The temperature has 

fallen

 in the past 3 hours.  

 

Humidity has 

fallen

 in the past 3 hours. 

 

HI/LO Temperature readings 

 

Explanation:

 The weather station shows the daily LO and HI temperatures each day starting at 

midnight. The weather station automatically resets the HI/LO temperatures at midnight. 

 

 

View HI data:

 Press the + (PLUS) button once to view HI temperature and humidity values for 

indoor and outdoor data. 

 

Reset HI data:

 Hold the + (PLUS) button for five seconds to reset HI temperature and humidity 

values for indoor and outdoor data. 

 

View LO data:

 Press the - (MINUS) button once to view LO temperature and humidity values for 

indoor or outdoor data. 

 

Reset LO data:

 Hold the - (MINUS) button for five seconds to reset LO temperature and 

humidity values for indoor and outdoor data. 
 

Heat Index/Dew Point 

 

Heat Index: 

 

Heat Index combines the effects of heat and humidity.  

 

A heat Index is what the temperature feels to a human being.  

Summary of Contents for WW85777v2

Page 1: ...ding 4 Intermittent Outdoor Temperature 4 Outdoor Temperature is stuck or HH H LL L 5 Outdoor sensor drains batteries quickly 5 Outdoor Humidity goes to dashes when the temperature is cold 5 The outdo...

Page 2: ...echnology has improved and batteries will maintain voltage longer in storage However the environment the batteries reside in for 10 years can deplete the power Use Alkaline or Lithium batteries in the...

Page 3: ...eries This is not the same as a thorough factory reset 1 Bring the outdoor sensor and weather station together inside and place the units 5 10 feet apart with nothing between them 2 Hold the TEMP butt...

Page 4: ...e outdoor sensor right next to the weather station for 2 hours Compare indoor and outdoor temperatures The temperatures should be within 4 degrees to be within tolerance If the outdoor sensor reads co...

Page 5: ...s over 24 months when using reputable battery brands for both Alkaline and Lithium batteries Outdoor Humidity goes to dashes when the temperature is cold The outdoor temperature humidity sensor design...

Page 6: ...in humidity since 8 00 At 11 30 the trend arrows will reflect changes in humidity since 8 30 etc Up Arrow The temperature has risen in the past 3 hours The humidity has risen in the past 3 hours Right...

Page 7: ...greenhouse basement etc Press and release the PLUS button to view channels 1 2 or 3 on the display when multiple transmitters are used Note You cannot change channels if only one transmitter is connec...

Page 8: ...r is over 300 feet 91 meters Obstacles such as walls windows stucco concrete and large metal objects can reduce the range Do not mount near electrical wires transmitting antennas or other items that w...

Page 9: ...the outdoor sensor on a metal fence This significantly reduces the effective range Interference Consider items in the signal path between the outdoor sensor and the weather station Sometimes a simple...

Page 10: ...Weather Station Power Requirements This weather station is powered by a 5 volt AC power adapter Alternatively optional 3 AAA alkaline batteries may be used 12 Hour or 24 Hour time format Time can dis...

Page 11: ...nerally a power related issue Check that the AC power cord is inserted into a working outlet Batteries may be overpowered or underpowered Remove batteries from the weather station Press any button 20...

Page 12: ...S buttons 1 Hold the TIME SET button for five seconds BEEP and the word ON will show Press and release the PLUS and MINUS buttons to turn this to of the beep when a button is pressed Confirm with the...

Page 13: ...humidity is at a comfortable or uncomfortable level The bar over the chart will move and change colors to indicate the humidity level Forecast Icons Inaccurate THIS WEATHER STATION LEARNS OVER TIME Pl...

Page 14: ...h AC adapter only to determine if batteries were an issue The weather station has missing segments Explanation When parts of numbers letters or pictures are missing on the display it is often power re...

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