< - > key
* set mode short press [-] keys, alarm parameters decrease.
* set mode long press button will, the alarm parameters rapid decline.
Short press key [-] * temperature mode, switching unit.
LED, 4.1.4 backlight
*LED display 3 colors are green, blue, red.
The current acquisition temperature is greater than or equal to the set
temperature when the red light from the collection to the temperature is close
to set the temperature when the blue light from the temperature is less than the
set temperature of more than 10 of the light from the green light.
* does not operate when the LED about 10 seconds after the interest out.
4.1.5, low voltage alarm
* when the battery power is lower than LCD, the 2.6V screen displays "LO".
*EM2241-T1 send low power information to the APP, APP prompts to replace
the battery and alarm.
*EM2241-T1 shows "LO" about 3 and then automatically goes to sleep.
4.1.6 temperature measurement range
*EM2241-T1 measuring temperature from -30~300 degrees (-22~572 degrees
Fahrenheit)
* when the temperature is lower than the minimum temperature measurement
display "LLL"
* when the temperature is higher than the maximum temperature measured
value display "HHH"
* display "----" 3 seconds after it is not plugged in.
4.2 APP function
4.2.1 automatic or manual search for Bluetooth devices
