User's Manual

16
When there is a read/write
error in the EEPROM data or
correction is not completed,
"ErC" is displayed. In this
case, contact the supplier.
Three short buzzing
sounds and 3s green
backlight
When the voltage of the
battery is lower than
2.51V±0.15V, a low voltage
symbol (not blinking) is
displayed after the
thermometer is powered on.
In this case, replace the
battery.
No sound is emitted.