73
5.11.2
Without USB Power supplied
Press any button briefly to turn on the backlight temporarily for 15 seconds.
5.12 Tendency Arrows
Tendency arrows allow you to quickly determine of temperature or pressure
are rising and falling in a three-hour update period, updated every 30 minutes.
Table 10 defines the conditions for rising and falling pressure every 3 hours.
Tendency
indicators
Condition
Humidity Change
per 3 Hours
Temperature Change
per 3 Hours
︿
Rising
Rising > 3%
Rising > 1º C / 2 ºF
None
Steady
Change ≤ ±3%
Change ≤
± 1 º C / 2 º F
﹀
Falling
Falling > 3%
Falling > 1º C / 2 ºF
Table 10: Tendency indicators summarization
5.13 Wireless Signal Quality Indicator
The wireless signal strength displays reception quality. If no signal is lost, the
signal strength indicator will display four bars. If the signal is lost once, three
bars will be displayed, as shown in Figure 26.
Four Bars
Three Bars
No signal loss
Lost signal once
Table 11
5.14 Weather Forecasting
The five weather icons are Sunny, Partly Cloudy, Cloudy, Rainy and Snowy.
The forecast icon is based on the rate of change of barometric pressure. Please
allow at least
one month
for the weather station to learn the barometric pressure
over time.
