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4

IN/OUT TEMPERATURE & HUMIDITY

Temperature reading is located on the upper left of the display and humidity is on the right of 

the temperature.

Press “F/C“ button to select temperature unit F/C.

Press CHANNEL button to select indoor, Ch1, Ch2, Ch3 and auto-channel scrolling  display 

modes.

IN/OUT HEAT INDEX 

Heat Index combines the effects of heat and humidity. It is the apparent temperature of how 

hot the heat-humidity combination makes it feels.

Press “Heat Index/Dew Point” button once to show the respective indoor or outdoor heat 

index on the upper left display. “HEAT INDEX” icon will appear.

HEAT INDEX ALERT INDICATOR

During conditions indicating a high heat index, a Heat Index Alert Indicator will appear on 

screen. 

Caution    

 

Exercise more fatiguing than usual

Extreme caution   

Heat cramps, exhaustion possible

Danger    

 

Heat exhaustion likely

Extreme danger   

Heat stroke imminent

IN/OUT DEW POINT

Dew point is the saturation point of the air, or the temperature to which the air has to be 

cooled in order to get condensation.

In normal mode, press HEAT INDEX / DEW POINT button twice to show the respective indoor 

or outdoor dew point reading on the upper left display. “DEW POINT” icon will appear.

IN/OUT COMFORT LEVEL

In/Out Comfort indicator combines the effect of temperature & humidity and displays in 3 

levels:

COMF:  Comfortable level, ideal range for both temperature & humidity

WET:  Contain excess moisture

DRY: 

Contain inadequate moisture

ANIMATED COLOR GRAPHS

The circular color graphs are designed as an intuitive way to gauge the weather at a glance. 

The left color graph represents the respective In/Out temperature, heat index or dew point of 

the current display mode. The right graph represents the respective In/Out humidity. 

The higher the temperature & humidity, the more color portion of the color graph appears. 

Lower temperature & humidity show less color portion of the color graph.

MAXIMUM / MINIMUM MEMORY

Press MEM button repeatedly to view the maximum & minimum values of temperature, 

humidity, heat index or dew point readings. To clear the memory record, hold MEM button 

while the respective values are displaying on screen.

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Summary of Contents for WS-450B

Page 1: ...ate signal continuously throughout the United States at 60 kHz The signal can be received up to 2 000 miles away through the internal antenna in the Weather Station However due to the nature of the Ea...

Page 2: ...NE Select the 4 U S time zones Enter DST setting mode F C Toggle degree F C unit Search for atomic time signal Slide Switch BACKLIGHT AUTO HIGH LOW OFF Display brightness setting AUTO mode is recommen...

Page 3: ...nit away from source of interference such as mobile phones appliances TV etc Place the front or back of the unit toward Colorado for best signal reception Antenna icon with full signal strength will a...

Page 4: ...to be cooled in order to get condensation In normal mode press HEAT INDEX DEW POINT button twice to show the respective indoor or outdoor dew point reading on the upper left display DEW POINT icon wi...

Page 5: ...stop alarm for one day press ALARM key Press SNOOZE LIGHT for an extended backlight if adapter is not connected BACKLIGHT BRIGHTNESS CONTROL Select display brightness mode with the slide switch on th...

Page 6: ...ion your sensor under an eave or window ledge etc on North side of home Check the channel button to be sure you are reading the correct sensor Please note the humidity range is 20 99 Below 20 you may...

Page 7: ...on rather than midnight Time Zone is incorrect Weather Station Beeps Alarm is on Low power Button is depressed Forecast Icons Incorrect Set your elevation in the Pressure area Allow 48 60 hours after...

Page 8: ...harged for the repairs or examination The owner must pay any shipping charges incurred in getting your La Crosse Technology Ltd product to a La Crosse Technology Ltd authorized service center Your La...

Page 9: ...ogy com 450 All rights reserved This handbook must not be reproduced in any form even in excerpts or duplicated or processed using electronic mechanical or chemical procedures without written permissi...

Page 10: ...ff 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 an...

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