Error messages
Power-off
Attention:
3 short beeps and red
backlight for 3 seconds.
3 short beeps and red
backlight for 3 seconds.
None
Release the EAR button when "°C" or "°F" appears on
the LCD. Press the EAR button again within 5 seconds
to change the temperature unit.
The voltage of the batteries has fallen below
2.51V±0.15V and should be replaced.
The thermometer will power off automatically if no activity is detected for 10 seconds.
LCD will display “Er1” when ambient temperature
exceeds 40.0°C/104.0°F or drops below 10.0°C/50.0°F.
LCD will display “ErC” if the thermometer has a
malfunction and cannot take a temperature reading. If
this error appears, please contact Customer Service.
Electromagnetic interference: This product contains sensitive electronic components and should
not be stored or placed in areas of strong electromagnetic interference (such as near microwaves
or mobile phones).
Please take out the batteries if this product will not be used for an extended period of time.
14
15
