Instruction Manual

14. Error Messages
Display Error
Measured temperature too high:
Displays “H” when measured
temperature is higher than
100°C / 212°F
Measured temperature too low:
Displays “L” when measured
temperature is lower than 0°C / 32°F
Ambient temperature too high:
Display “H” when ambient
temperature is higher than
40.0°C / 104.0°F.
Ambient temperature too low:
Displays “L” when ambient
temperature is lower than
10.0°C / 50.0°F.
Error function display:
The system has a malfunction
Blank display:
Check if the battery has been loaded
correctly. Also check polarity of the
battery.
Flat battery indication:
If only the “ ” icon is shown on
the display, the battery should be
replaced immediately.
15. Technical Specifications
Type
1 Second Ear Thermometer 235DI
Measurement Range
0°C to 100.0°C/32°F to 212.0°F
Resolution
0.1°C/°F