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Symbols
Fahrenheit/Celsius
Memory symbol and
measurement number
Scanning in progress
Low battery
Happy face
Indicates temperature is lower
than 100.4°F (38.0°C)
Sad face
Indicates temperature is higher
than 100.4°F (38.0°C)
10
Troubleshooting
Display Symbol
Condition/Cause
Measurement is below
normal temperature range.
Measurement is above
normal temperature range.
Operating temperature is
outside of the permissible
range (60.8°F – 104.0°F;
16.0°C – 40.0°C).
Blank display
Low battery
Low battery warning
Corrective Action
Retake temperature positioning
the probe snuggly into the ear
canal.
Retake temperature positioning
the probe snuggly into the ear
canal.
Take thermometer to a room
where the temperature is
within the permissible range.
Wait 45 minutes to stabilize
thermometer. Retake
temperature positioning the
probe snuggly into the ear
canal.
Check battery polarity or
voltage. May need to replace
battery.
Replace battery immediately.
Unit will work; however,
replace battery when possible.
11
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