La Crosse Technology 450 - Manual (Page 4)

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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