12
Switching between ºF/ºC
In a power-on state,you can change units,by
switching the
º
F/
º
C button.
Silent
Error information & low battery
The ambient temperature is higher than
40.0ºC (104.0ºF) or lower than 10.0ºC
(50.0ºF).
A long beep, the backlight is red.
An error occurs when data is being read
from or written to the memory, or the
temperature correction is not complete.
A long beep, the backlight is red.
When the battery voltage is lower than 2.5V
± 0.1V, the low battery symbol will appear
on the display. Please replace the batteries.
Silent