2) Without AC adaptor
To reduce power consumption, the display console will automatically
enter sleep mode and will not send data to the Internet if no key is
pressed for 15s. Hold the LIGHT /SNOOZE key in sleep mode or plug
in the DC adapter to wake up the equipment.
6.8.4 Tendency indicators
Tendency arrows allow you to quickly determine if temperature or
pressure are rising and falling in a 3 hour update period, updated every
30 minutes.
Eg: At 3:00 - compare to 12:00 data; at 3:30 -compare to 12:30 … etc
6.8.5 Wireless Signal Strength Indicator
The wireless signal strength displays reception quality. If no signal is
lost, the signal strength indicator will display 5 bars. If the signal is lost
once, four bars will be displayed.